A Text-book of Zoology 



By T. JEFFREY PARKER, D.Sc, and WILLIAM A. HASWELL, M.A., D.Sc. 

 In Two Volumes Cloth 8vo Price, $9.00 



" We believe that it will be found an invaluable aid not only to special students of zoology but 

 also to a large number of those 'whose main interest ites in other branches of scientific study. 

 Written with a clearness, accuracy, and method that bespeak the practised teacher, it is admirably 

 illustrated with a profusion of figures." — E. B. W. in Science. 



Lessons in Elementary Physiology 



By THOMAS H. HUXLEY, LL.D., Ph.D. 



EDITED FOR THE USE OF AMERICAN SCHOOLS AND COLLEGES 

 By FREDERIC S. LEE, PH.D. 



Adjunct Professor of Physiology in Columbia University 



" T think you have succeeded well in fitting it to continue to be what it has been so long, all things 

 considered, the best text-book yet written to guide the undergraduate in acquiring a thorough knowl- 

 edge of the essentials of human physiology, and at the same time to prepare him for the study of men- 

 tal phenomena. The improvements are evident. The page is attractive; the print just right; the 

 subdivisions helpful; the new illustrations judiciously selected and (in the main) well executed; the 

 added matter carefully considered." — Professor William Elder, Colby College^ Waterville, Me. 



A Text-book of Entomology 



By A. S. PACKARD, M.D., Ph.D. 



Professor of Zoology and Geology ^ Brown University; Author of " Guide 

 to the Stuay of Insects" etc., etc. 



Cloth 8vo Price, $4.50 



Including the Anatomy, Physiology, Embryology, and Metamorphoses of 

 Insects for Agricultural and Technical Schools and Col- 

 leges AS WELL AS FOR WORKING ENTOMOLOGISTS 



"I have greatly admired your recent text-book of Entomology. There is only one word to ex- 

 press my admiration of iX.^— Splendid" — Professor S. W. Williston, University of Kansas, 



An Introduction to Zoology 



By CHARLES BENEDICT DAVENPORT 



University of Chicago 



and GERTRUDE CROTTY DAVENPORT 



Formerly of the University of Kansas 



Half Leather 8vo Price, $i.io 



" It is an admirable book in every respect for the high school. Its freshness, and wealth of matter 

 and illustrations; the modern spirit of a broad natural history rather than just morphology; the breath- 

 ing into high school zoology of the breath of life where so many text-books have failed, place this work 

 in a class by itself. It is a broad, thorough treatment of the subject always within- the range of the 

 students for whom it is written."— Professor Charles L. Edwards, Trinity College. 



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