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., Assistant in Limnology in Cornell University.