Elementary Biology 



By JAMES E. PEABODY 



Head of Department of Biology in the Morris High School 

 New York City, and 



ARTHUR E. HUNT 



Head of Department of Biology in Manual Training High School 

 Brooklyn 



Elementary Biology, Compute $1.26 



Elementary Plant Biology 65 



Elementary Biology — Animal and Human .... 1.00 



This book, a product of many years of successful teaching experi- 

 ence in secondary schools, emphasizes throughout the relation of the 

 science of biology to human welfare. Both matter and method are 

 chosen with reference to this end. Structure and classification are not 

 neglected, but they are made subordinate to function, because the lat- 

 ter is more significant for boys and girls of high school age. The 

 activities of plants and animals and their use by man are shown to be 

 closely related to human welfare, for example, the use of plants for 

 food and clothing ; the relation of mosquitoes to malaria and yellow 

 fever and of flies to typhoid fever; the work of bees and silkworms; 

 the importance of birds as destroyers of insects ; the work of bacteria 

 as the friends or as the foes of man, etc. 



The significant character of the book is further emphasized by sim- 

 plicity of style, abundant half-tone illustrations, chapter summaries, and 

 interesting laboratory exercises. Text and laboratory manual are com- 

 bined in one. In the appendix are found valuable suggestions for 

 teachers and pupils concerning laboratory equipment, special topics, 

 notebooks, and reference books. 



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