SCIENCE -ADVERTISEMENTS 



GAGER 



HEREDITY AND EVOLUTION 



IN PLANTS 



Science Pkogress, London, says : 



"This interesting little book is one of 

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 Written in simple language, it suc- 

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 our knowledge with a due appreciation 

 of its limitations " 



By C. Stuart Gager, Director, 

 Brooklyn Botanic Garden 



114 Illustrations 



Clolh, $1.25 



P. BLAKISTON'S SON & CO. 



Publishers Philadelphia 



KOFOID AND SWEZY 



MITOSIS AND FISSION IN THE 

 ACTIVE AND ENCYSTED PHASES 

 OF GIARDIA ENTERICA (GRASSl) 



IN MAN 



WITH A DISCUSSION OF THE METHOD 



OF ORIGIN OF BILATERAL SYMMETRY IN 



THE POLYMASTIGOTE FLAGELLATA 



34 pages, 4 plates, 11 figures in text, 50 cents 



University of California Press 



BERKELEY, CALIFORNIA 



THE CAMBRIDGE UNIVERSITY PRESS, ENGLAND 

 Amiosmces the following NEW SCIENTIFIC BOOKS 



ORGANIC EVOLUTION 



Outstanding Difficulties and Possible 

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By Major Leonard Darwin 

 The author examines and refutes some 

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MULTJLNEAR FUNCTIONS OF 

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By Eric Harold Neville 

 A discussion of functions, embracing not 

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 A TEXT-BOOK OF EUROPEAN 

 ARCHAEOLOGY 



Vol. I— The Palaeolithic Period 

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 A simple, thorough history of the Palaeo- 

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MODERN ELECTRICAL THEORY 



Supplementary Chapters 

 Chapters XV — Series Spectra 



By Norman Robert Campbell, Sc. D. 

 A monograph based on Bohr's theory, un- 

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 FUNGI: ASCOMYCETES, 

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 The presentation of Fungus as a living 

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For sale by THE MACMILLAN COMPANY, American Agents 



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