Journal Of Entomology And Zoology Part 4

JOURNAL OF ENTOMOLOGY AND ZOOLOGY--_Advertising Section_

_The_ Journal _of_ Zoological Research

_Edited by WALTER E. COLLINGE, M. Sc., F. L. S., F. E. S.

The Gatty Marine Laboratory The University, St. Andrews, Scotland_

The subject matter is strictly confined to original zoological research--systematic and anatomical. Fully ill.u.s.trated by lithographic plates and text figures.

Each volume will consist of 4 parts, price $5.

_All subscriptions should be forwarded to_

Messrs. Dulau & Co., Ltd.

37 Soho Square, London, W., England

GRIFFITH Incubators

[Ill.u.s.tration]

A simple, well constructed bacteriological incubator

GAGE--The Microscope

An Introduction to Microscopic Methods and to Histology

By SIMON H. GAGE.

Twelfth Edition. Entirely rewritten, and with many new ill.u.s.trations.

Price, postpaid, $3.00.

This work aims to give help to everyone who uses the microscope, whether he is a beginner or an advanced worker.

COMSTOCK--A Manual for the Study of Insects

By JOHN HENRY COMSTOCK, Professor of Entomology in Cornell University, and ANNA BOTSFORD COMSTOCK, member of the Society of American Wood-Engravers. 8vo. cloth, IX. +701 pages, 797 figures in the text, and six full page plates.

Nearly all of the figures were engraved especially for this work. Postpaid $4.07; net $3.75.

This hand-book is designed to meet the needs of teachers in the public schools and of students in high schools and colleges.

NEEDHAM--General Biology

A book of outlines and practical studies for the general student

By JAMES G. NEEDHAM, Professor of Limnology and General Biology in Cornell University. Cloth 8vo. XIV. +542 pages; 288 figures, mostly original. Postpaid $2.00.

This book is expressly designed to help the general student obtain a comprehensive grasp of the principles of biology.

NEEDHAM & LLOYD--The Life of Inland Waters

A Text-Book of Freshwater Biology

By JAMES G. NEEDHAM, Ph.D., Professor of Limnology and General Biology in Cornell University, and JOHN T. LLOYD, A.B., a.s.sistant in Limnology in Cornell University.

This book is a broad presentation of the field of fresh-water biology, primarily in its scientific aspects, also in its relation to commercial, civic, aesthetic and public health interests of man. There is no book in the English language covering the field. Copiously ill.u.s.trated with photographs from Nature. 438 pages; 244 figures. Price $3.00.

GAGE--Optic Projection

By SIMON HENRY GAGE, Professor Emeritus of Histology and Embryology in Cornell University, and Henry Phelps Gage, Ph.D.

This work of over 700 pages and with over 400 figures is of especial interest to workers in all fields of Biology in that it deals especially with the use of the Projection Microscope for demonstrations and for drawing. It also gives the fundamental principles of all the forms of projection. A 16-page circular will be sent on request.

Postpaid, $3.00.

RILEY--Handbook of Medical Entomology

By WM. A. RILEY, Ph.D., Professor of Insect Morphology and Parasitology in Cornell University and O. A. JOHANNSEN, Ph.D., Professor of Biology in Cornell University.

A concise account of poisonous, and disease-carrying insects and their allies, including descriptions and ill.u.s.trations of the princ.i.p.al species, with keys for their determination, and method of control.

Bound Library Buckram, medium 8vo. Nearly 375 pages. Price $2.00 net.

_Send for Descriptive Circular_

The Comstock Publis.h.i.+ng Company Cornell Heights, Ithaca, N. Y.

THE "ALL GLa.s.s MOUNT"

for _Lepidoptera_ and other insects

[Ill.u.s.tration: _Odontolabis wollastoni, Java_]

We are able at last to offer our customers an all gla.s.s mount that we believe comes nearer to meeting the requirements of museums and private collectors than any previously put on the market.

No cut can properly show this mount, which must be seen to be appreciated. Write for Circular 192, which describes fully what we are offering.