Practical Taxidermy - BestLightNovel.com
You’re reading novel Practical Taxidermy Part 13 online at BestLightNovel.com. Please use the follow button to get notification about the latest chapter next time when you visit BestLightNovel.com. Use F11 button to read novel in full-screen(PC only). Drop by anytime you want to read free – fast – latest novel. It’s great if you could leave a comment, share your opinion about the new chapters, new novel with others on the internet. We’ll do our best to bring you the finest, latest novel everyday. Enjoy
that lying between the "radius" and "ulna" The broken bone and flesh of the wing is now toward you. Clean the flesh away from this and then devote the attention to the before-named oval-shaped piece of flesh.
Putting the point of the knife down on the right, lift and scoop away (using the greatest care meanwhile) some small pieces of flesh. This by degrees reveals the top of another little bone, from under which all the flesh to be seen must be sc.r.a.ped away; anoint this freely with the preservative, and return it to its normal position after tying a small piece of strong thread through the loop of the bone (in large birds a little tow should be placed in the cavity).
If this process is too tedious, or not quite comprehended by the amateur--i.e. the clearing out of the flesh between the radius and ulna--the smaller bone of the two--the radius (F, Plate II) may be twisted or cut out entirely, leaving only the larger bone of the two to clear of flesh. Sometimes--but this with large birds only--the wing may be advantageously cut from the outside along its entire length underneath, the flesh removed, skin dressed, and the cut carefully sewn up.
Do the same by the other wing, and then push the leg on the same side up through the skin, pus.h.i.+ng the skin down with the fingers and thumb of the left hand, and pulling with the right, until you have stripped the skin nearly down to the so-called "knee," q (not the proper knee, however, that being situated higher up--Plate II), or tibio-tarsal joint. At this joint a bundle of little "leaders," or muscles, a.s.semble; cut them away from around the bone (without interfering with the joint, however), and they will roll up with the flesh to the head of the bone previously cut off at the proper knee joint, and can there be easily pulled off. (In practice, it will be found that retaining the full length of this bone--the tibia--is not desirable for subsequent operations; it may therefore be advantageously shortened by one-half.)
Anoint with the preservative and neatly wrap a piece of tow around the leg-bone (or tibia) to the supposed shape of the flesh previously removed. Return the leg to its natural position; and repeat the same on the other side.
The tail is now the only thing left which requires to be freed from flesh. Keeping the beak still from you, push the tail, with the left hand, as far up into the body as possible, then clear it of every particle of flesh by sc.r.a.ping and cutting, taking care to cut away the oil ducts or glands--usually full of a thick fat--and being careful also not to cut away the attachment of the roots of the feathers to the skin; anoint with the preservative, and return. Several little streaks of fat in various parts of the skin may now be seen, which must be carefully sc.r.a.ped away.
The wing bones must now be tied nearly together by the pieces of thread previously attached; the distance between them varies with the size of the bird's body previously removed (this knowledge is, of course, gained by experience, but amateurs are recommended to take careful measurements of this and other a.n.a.logous points). The whole of the skin of the back, body, and throat is to be well anointed. Now take the forceps (see Fig. 20), and form a little neck of tow on it, introduce it into the skin, leaving the end of the tow resting against the back of the head. Then insert some larger pieces of tow with the fingers or tongs into the body, and when you have shaped it as nearly as possible to the original body of the bird--taking care to nicely observe the adjustment of the several parts--neatly sew up the skin with a fine needle and thread by an under st.i.tch on the edges of the skin, drawing it tight after two or three st.i.tches; and thus proceed until the bottom is reached, avoiding the common fault of sewing the feathers in with the st.i.tches.
Some few ends of tow will possibly be protruding from the lower part, which must be cut off before the final st.i.tch. The bird's legs are tied one across the other, and the wings pressed close to the body in the proper position; the neck is also shortened, and a little narrow band of paper is cut, and placed underneath the bird, brought round the b.u.t.ts of the wings or shoulders, and pinned together on the top of the breast; a needle and thread are inserted through the nostrils, the thread is brought round underneath the bird's lower mandible, and is tied in a knot to keep the beak closed.
In the course of a week or so, when sufficiently dry, the bandage is removed, and thus we have what is technically called a "skin."
This is the loose body method of making skins; perhaps a better plan is making a body--see farther on--on wire, which should not come through the top of the head, or on a piece of stick (a lucifer match with the top broken off will do for small skins) coming into the base of the skull; this gives a great support to the neck, and prevents the common fault of the skin breaking away just above the shoulders.
If great nicety is desired--and neatness in making a skin is everything--remember particularly not to overstuff it; it will really require just about half as much packing as you would at first imagine sufficient to fill it. Be careful as to the set of the wings, at the shoulders especially; and after having coaxed every feather with loving care into its proper position, wrap the whole skin in a sheet of wadding, leaving the ends open, and put away in a secure place to dry.
Another method of shaping skins whilst drying is described by Mr.
Batty, the well-known American taxidermist, who makes a drying board for small skins in the following manner (see Fig. 24): Procure a piece of board of the length and width you require, on which nail on edge 0.75-inch slips of wood two inches high at intervals required; between these supports stretch stout cardboard in the form of "gutters." In these, padded in wadding, the skins rest until dry.
Fig. 24--"Set" or Drying Board for Birds' Skins.
Often blood and other substances clog and spoil the feathers of a bird; how to remove these will be found explained in the chapter on Cleaning Birds' Skins.
Fig. 25--Starling Properly Made Into a Skin With Label Attached.
In noting the s.e.x of a bird an important matter, only managed in most cases by the aid of a little dissection--it will be necessary to cut the body, after it is out of the skin, through the ribs along the side close to the back, open it, and look upon the kidneys (dark coloured ma.s.ses apparently let into the hollow of the back-bone at the narrowest part of the body) for the s.e.xual organs.
If a male, there will appear just upon the upper end of the kidneys, one on each side of the back bone, two little oval-shaped bodies, usually of a dull white or light yellow tint (do not mistake the supra-renal capsules--quite yellow, small, and a little higher up--for these).
If a female, these two small oval bodies will be replaced a little lower clown by a string or bundle of eggs, very minute in some seasons, but strongly marked and large in the breeding season. It is sometimes difficult to tell the s.e.x--in young birds especially; but a good plan is to get a bird, known by its plumage to be a male--say a c.o.c.k sparrow--and a female bird, and dissect out these organs, putting them in spirits in separate bottles, the organs of each s.e.x attached to its part of the bone and kidneys, and keep them for reference until experience teaches the way to readily decide s.e.xes.
A label is attached to the legs, giving scientific and common name of bird, s.e.x, locality, and date, and name or initials of collector.
Thus:
No. 1. STURNUS VULGARIS, 1. (Starling).
s.e.x.--Male Juv.
Colour of irides--Dark brown.
Colour of beak--Dark slate.
Colour of legs & toes--Reddish-brown.
Leicester, 21/9/83. Collector, MB.
In the cases of such birds as the hawks, which have bare s.p.a.ces around the eyes (sub, and super-ciliary patches) and around the base of the beak (cere), note down the colours of these parts also. In the cases of rare birds the measurements of the extreme length from tip of beak to tail--again from inner edge of gape to vent, the bill and tail being measured separately from those points--should be carefully taken, as also the length of culmen, carpus, and tarsus, and set down in inches and tenths, on the label, or in the note book, when the matter becomes too voluminous. The reference number and name, in the latter case, will be sufficient for the label, thus keeping it very small. In ordinary cases, all information, excepting name, date, and collector's name, may be written on the back. Part of the label may be printed ready for filling in.
Another plan of skinning a bird is to work upward instead of downward, and by raising the skin on top of the breast and throat to approach the neck, which is then cut off by slipping the point of the scissors underneath. This gives room for one wing to be loosened, and ultimately cut off, the other one then easily follows as a matter of course, and by alternately skinning away the back and the breast, the legs and the tail are arrived at, which are treated as before described. This method is useful in cases where the lower extremities are badly shot or "high," but is otherwise objectionable, as, in any other but the most careful hands, it is apt to stretch or split any delicate skin, in the attempt to get the shoulders out, but for which I should have nothing to say against it. Curiously enough, however, it is more practised by amateurs than by professionals.
One of the most important, however, of all methods of skinning ever invented, is that known as skinning from under the wing; it is perhaps more difficult to a beginner than the other way of skinning, but its advantages are enormous. Supposing you have a bird very badly shot, or one with its wing half torn off or ripped underneath, as sometimes happens, you then, instead of complicating matters by making an incision in another place, take advantage of the ripped side and cut it open there.
The birds, however, for which this system is invaluable are sea birds, or all birds having white or very light coloured b.r.e.a.s.t.s. To cut such birds on the breast practically ruins them, for however well a sea bird's skin may be cleaned, there still remains some little greasiness between the roots of the feathers; and in spite of the most careful sewing, the capillary action of the thread used in st.i.tching up (aided, of course, by the position of the mounted bird--breast downward) is sufficient to draw to the surface whatever oily fat or grease remains in the skin; and though it may not show for a few months, yet, sooner or later, a rust coloured line of grease appears, and in spite of all cleaning will reappear, and gradually spread over the breast, destroying the beauty of perhaps a unique specimen.
To skin a bird from under the wing, select the worst side, or that injured the most by shot, etc, and laying the bird with that side uppermost, make an incision from just above the leg to just under the wing. Push the leg-bone up, and cut it off with a pair of scissors; then work the skin away a little from the back, and as much as possible from the breast, gradually working your way until you see the wing-bone, which cut off. Careful skinning brings you to the neck and windpipe, which also cut off. The whole of one side of the bird is now skinned out with the exception of the tail; come downward on the opposite side to your incision, and across the breast until you can cut off the remaining wing; having done this, keep skinning downward until the leg is arrived at, and cut off. Nothing now holds the skin to the body but the tail-bone, which separate. Clean and finish the bird in the ordinary way.
I shall now suppose that, instead of making a skin (as previously described), you desire to stuff the specimen with the ultimate idea of its forming part of a collection mounted in the same manner as the birds are mounted in the British Museum--namely, on turned stands as perches; or, as is usual now, to form a unit of a characteristic group mounted in a more artistic manner in a shade or a case.
For the purpose of this lesson I have "relaxed" the original starling we before made into a skin, and shall now mount it, keeping to one bird, so as not to confuse the learner.
In "setting up" a bird we require to use wires. The sizes of wires are determined by gauges. Thus the smallest sized wire made is that known as Gauge 28. This and the two following numbers, 26 and 27, are only required for the humming birds; 28 is, however, a good size for the least. 24 will be found a good size for the smaller kinds of warblers and finches up to canaries. 21 is a useful general size for a great number of small birds, and will do for such a bird as the hawfinch. 19 is a good size for thrushes and starlings, and will also do very well for squirrels. 16 is a good useful size for many things--will do for such birds as the landrail or pigeons. 13 is a good size for such birds as parrots, and that or the next largest size will do for owls.
12 will do for the larger hawks, such as the peregrine falcon, etc. and for small dogs. 9 is more suitable for foxes and larger dogs. 7 will do for eagles. 5, 3, and 1 approach so nearly to bars as to be fit only for the larger animals.
As a rule, however, practice enables a person to use smaller sized wires than appears possible to him at first. I would here also recommend that "galvanised" be used instead of the common "annealed"
wire (never use "hard" wire) for all purposes, excepting for large animals. Its advantages are very great, as I can personally testify.
If you decide on mounting your bird on a turned stand, you will, if not possessing a lathe yourself, have to call in the a.s.sistance of a turner, who will, for a small sum, turn the requisite stands, which may be either in mahogany, boxwood, ebony, or ivory, according to your taste and the length of your pocket. If, on the contrary, you decide to ultimately mount your specimen in a case or a shade, you had better provide yourself with some wire of a suitable strength, and some tow, which latter you will proceed to wrap round the wire to within a couple of inches of one end--forming, in fact, an artificial twig, which you may bend to any shape, riveting the unbound end through a piece of wood of sufficient weight to balance the bird when set up.
Having, then, before you, as the first indispensable adjunct, the turned stand or artificial twig (a natural one does in some cases), the stuffing irons, file, crooked awl, pliers, scissors, wire, tow, needle and thread, pins, and some fine darning cotton, which is called "wrapping cotton," you proceed to business thus: The bird being skinned, all the flesh cleaned out, and well dressed with the preservative up to the point previously described--leg bones being wrapped and wings being tied--lay the bird down on a clean piece of paper.
Having selected the wire of two sizes, of a suitable thickness, the thinner for the body wire and the other for the leg wires, cut the three, with the aid of the pliers, a little longer than the body and legs respectively, pointing each wire at one end with a file--not rounding the points, but leaving them with cutting edges.
Taking up the thicker or body wire in the right hand and some tow in the left, commence at about an inch from the point to tightly and neatly bind on the tow in the shape of the neck, and of nearly the same length that the neck was before being cut off--that is to say, making the artificial neck somewhat longer than the neck of the skin (if properly taken off and not abnormally lengthened) appears to be.
The reason for this is that the natural neck, being carried between the clavicles forming the furculum or "merry-thought," is bent downward and forward between them when perching (see Fig. 22); hence the artificial neck must imitate nature so far as that, when inserted in the skin, it may be also bent forward and downward, and afterwards thrown back on the body in a natural position.
Of course, if a bird's neck is to be represented very short, as it will be in certain att.i.tudes, the artificial neck must be almost, if not quite, done away with; indeed, the shortening of the neck of the mounted specimen depends almost entirely on the absence of stuffing above the shoulders. Be sure, also, not to stuff the skin too wide about the shoulders; if so, the "b.u.t.ts" of the wings will never come into place, nor allow the feathers of the breast to be brought over them in a natural manner.
It is exceedingly difficult to instruct in these niceties of detail; close observation--note a canary or any song bird at rest--added to experience, will alone teach the amateur these points. To excel in mounting animals the arts of drawing and modelling from living examples must be cultivated; the amateur taxidermist thus gains the requisite knowledge to help him in his art. [Footnote: It may perhaps, be necessary to warn the non-scientific that whenever I speak of animals I include fishes, reptiles, and birds with the mammals.]
Having shaped the neck to your own satisfaction, proceed thence to form the body, by continuously wrapping the tow round and round the wire, keeping the shape, however, somewhat flat on the sides, full on the breast and back, and narrowest at the lower extremity of the body, where it comes in between the legs to the tail. About an inch of the wire should now be left unbound, which turn up on the back of the false body to prevent the tow slipping off; next take some cotton, which wind all over the false body to keep the tow in its place, adding, as you go on, small pieces of tow, and binding them on where depressions or faults appear.
This being finished secundum artem, insert the pointed end of the wire or false neck up the neck of the specimen, pus.h.i.+ng the point of the wire right through the skull until it comes out at the crown of the head. Now gradually, by persuasive means, pull the skin over the false body; and lift the starling up and observe what faults are apparent--possibly a little difficulty exists at the shoulders, if so, press them in with the thumbs, and then note if there are any apparently hollow places; if so, fill them out with a little more tow.
See that the back is nicely sloped, that the breast is full enough, and especially if it be even and narrow between the legs. Having observed all these points with great exactness, proceed to nicely sew up the skin with the st.i.tch previously mentioned.
Then select two other pieces of wire of the right size, and point them each at one end. (Note.--The wires are generally a size or so stronger for the legs than for the body.) Taking a wire in the right hand, open the claws of the bird with the other, so as to expose the sole of the foot, into which push the point of the wire, forcing it up the leg on its under side between the skin and the bone--be careful how you pa.s.s under the so-called "knee" joint. Pulling the leg now downward and upward, that is to say, toward the breast, push the wire right through the false body to the other side, until it comes out under the wing on the side farthest from the leg. With a small pair of pliers turn the point downward, pull the wire at the foot, and it is thus clenched and firmly fixed; do the same with the other leg.
Remember that if the leg wires are not firmly clenched in the made body, and are not perfectly stiff and tight, all your labour goes for nothing. Now bring together the skin at the lower part with your fingers, and push a small wire through the root of the tail up into the made body.
Picking the bird up with one hand, bend the legs into their proper position, bend the neck a little downward and backward on the front, then forward and downward from the back of the head. Place the leg wires through two holes bored in the crosspiece of the stand, or through the natural twig, or wind them round on the false twig and make them secure. Run a fine pin (entomological pin, No. 2) through the shafts of the feathers of the tail to cause them to dry in proper shape, then neatly insert the eyes (putting a small piece of putty in the orbit previously), bringing the eyelids over with a fine needle, being exceedingly careful not to rip them, and not to have them too staring, a very common fault with the amateur. See that the wings are fixed in their right places with one or more pins or wires.
Place one pin in the centre of the breast and in the middle of the back (all of these pins must be left half-way out), proceed to nicely arrange the feathers in their proper places by the aid of the crooked awl and feather pliers (see Fig. 19). Having done this till it appears as nearly like the living bird as possible (which constant practice and close attention alone will enable you to do), take the "wrapping cotton," and, having made a loop on one end, fix it to the pin on the back. Bring it across to the pin on one of the wings, and across in a zig-zag manner to the other pins in the wings, binding down the back first. Then attend to the breast and under tail coverts, taking care to bind down more securely than the others those feathers which will start up (usually the upper wing coverts). A careful binder working properly will shape his bird by binding. Tie the mandibles if they are wanted closed, and cut the wire off the head, as it permanently raffles the feathers if left until the specimen is dry.
This is binding for a closed-winged bird; but for one whose wings are to be thrown up, say a hawk on flight, the modus operandi is slightly different; wire stays and card braces now supplement "wrapping"
cotton. The bird being opened on its worst side is stuffed in the usual manner as far as getting the neck up into the skull, the attached body is now bolted through near the top of the cut by the wing, by a long wire sufficiently strong to keep the bird suspended; this wire, being firmly clenched on the opposite side of the body to the cut, has its free end, of course, depending from the incision under the wing.