8CIENCE-AD7ERTI8EMENT8 



A Civic Conscience 



is Fostered by the Study of 



Hunter^s Civic Biology 



VITAL, everyday topics in which the 

 average high school boy and girl 

 cannot help being interested are presented 

 here. The langnage is exceedingly clear. 



The pupil v^ho studies the scientific, 

 yet simple, methods of dealing with the 

 problems of public health and hygiene 

 as presented here, is definitely prepared 

 to be a better citizen. 



The author is GEORGE WILLIAM HUNTER, 

 A.M., Head of the Department of Biology, De 

 Witt Clinton High School, Brooklyn, N. Y. 

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Country 

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Types and Breeds of 

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By CHARLES SUMNER PLUMB, Ohio 

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A book well known to students, in college 

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UNIVERSITY OF CALIFORNIA 

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Tha University of California issues publications in tll« 

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Agricultural Science Mathematics 



American Archaeology Pathology 



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Memoirs of the University of California 

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RECENT TITLES 



A Revision of the Tuberales of California, by Helen Mar- 

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Relationship of Equus to Pliohippus Suggested by Char- 

 acters of a New Species from the Pliocene of Califor- 

 nia, by John C. Merriam 10 



The Simultaneous Administration of Pituitary and Thy- 

 mus to Growing Chicks, by Samuel S. Maxwell 05 



The Status of the Beavers of Western North America, 

 with a Consideration of the Factors in their Spedation 

 by Walter P. Taylor 8S 



Notes on the Spiny Lobster (Panulirus Interruttus) of the.P* 

 California Coast, by Benton M. Allen 15 



Notes on the Marine Fishes of California, by Carl L. Hubbs .15 



The Feeding Habits and Food of Pelagic Copepods and 

 the Question of Nutrition by Organic Substances in 

 Solution in the Water, by Calvin O. Esterly is 



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