NEW-WORLD SCIENCE SERIES 



Edited by Jo h) I IV. Ritchie 



Science for Beginners 



By Dclos Fall 

 Trees, Stars, and Birds 



By E. L. Moseley 

 Science of Everyday Life 



By Carletoii W. Washbiinie 

 Human Physiology 



'Byjohji W. Ritchie 

 Sanitation and Physiology 



^y John W. Ritchie 

 Laboratory Manual for Use with 

 "Human Physiology" 



By Ca7i HaHmaii 



Exercise and Review Book in Biology 



By/. G. Blaisdell 

 Personal Hygiene and Home Nursing 



By Louisa M. Lippitt 

 Science of Plant Life 



By E. N'. Transeau 



Principles of Zoology 



By T. D. A. Cockerell 

 ExperIxMental Organic Chemistry 



^y A. P. West 



