11 



SCIENCE-ADVERTISEMENTS 



Laboratory Problems 

 in Civic Biology 



By GEORGE W. HUNTER, A.M., 



Head of the Department of Biology, Dewitt 



Clinton High School, New York City. 



283 pages, $0.80. 



■THESE 249 problems are largely in 

 the nature of experiments to be 

 performed in the laboratory with ordi- 

 nary equipment; many of them, how- 

 ever, are to be worked out at home or 

 during field trips. 



Each exercise contains a concise state- 

 ment of the problem it ofiers, a list 

 of required materials, directions for 

 the pupil's observations and questions 

 bringing out the point of the problem. 

 Designed for use with "A Civic Biology" 



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New Methods 

 as Outlined in 



A Manual of 



Bacteriology 



By Howard S. Reed, Agricultural Experimen- 

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 are placed on a working basis, and 

 several new pieces of useful apparatus, 

 especially valuable in the study of 

 bacteria in connection with soils 

 and dairy products are described. 

 The manual is a practical laboratory 

 guide in the study of the essential 

 relations of bacteriology to agricul- 

 ture, domestic science, and general 

 science. 



179 pages, illustrated. $1.25 



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Memoirs of the University of California 



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BECENT TTTLES 



Synoptical Keys to the Genera of the North American 



Miridae, by Edward P. Van Duzee 15 



The Owl Remains from Rancho La Brea, by Loye 



Holmes Miller 10 



Two Vulturid Raptors from the Pleistocene of Rancho 



La Brea, by Loye Holmes Miller 05 



Notes on Capromeryx Material from the Pleistocene of 



Rancho La Brea, by Asa C. Chandler 10 



Report upon Mammals and Birds Found in Portions of 



Trinity, Siskiyou and Shasta Counties, California, by 



Louise Kellogg 



and 

 An Analysis of the Vertebrate Fauna of the Trinity 



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PROFESSOR OF PALAEONTOLOGY IN 

 COLUMBIA UNIVERSITY 



Large Octavo, 1150 pages, with 254 illustrations in the text. 

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