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 ( olumbia I '///versify 



"I think you have succeeded well in fitting it to continue to be what it 

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 judiciously selected and (in the main) well executed; the added matter 

 carefully considered. 11 — Professor William Elder, Colby College, H'ater- 

 ville, 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 Study of Insects," etc., etc. 



Cloth. 8vo. Price, $4.50 



Including the Anatomy, Physiology, Embryology, and Metamorphoses of Insects 



for Agricultural and Technical Schools and Colleges as well as 



for Working Entomologists 



" I have greatly admired your recent text-book of Entomology. There 

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AN INTRODUCTION TO ZOOLOGY 



By CHARLES BENEDICT DAVENPORT 



I '///versify of Chicago 



and GERTRUDE CROTTY DAVENPORT 



Formerly of the University of Kansas 



Half Leather. 8vo. Price, $1.10 



"It is an admirable book in every respect for the high school. Its fresh- 

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 this work in a class by itself. It is a broad, thorough treatment of the sub- 

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 fessor Charles L. Edwards. Trinity College. 



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