WORKS BY T. MITCHELL PRUDDEN, M.D. 



The Story of the Bacteria, and Their 

 Relations to Health and Disease 



Second Edition, Revised and Enlarged. i6mo, 

 Cloth . . . . net, 75 cents 



"It is written in clear, concise sentences, without any 

 effort at display, and can be read with profit and enjoyed 

 by any intelligent reader as well as by the most scientific 

 physician/ ' Chicago Inter- Ocean. 



Dust and Its Dangers 



Second Edition, Illustrated. i6mo, Cloth, 



net, 75 cents 



"It is in one sense an alarmist book, but it alarms in a 

 proper direction, and performs a service that cannot be over- 

 valued. . . . The book is to be warmly commended, and 

 should attract general attention." Boston Gazette. 



Drinking-Water and Ice Supplies, and 

 Their Relations to Health and Disease 



i6mo, Cloth, Illustrated . . net, 75 cents 



" Dr. Prudden's little book is crammed with information 

 practical information which to thousands of families would 

 be worth, if duly read and heeded, far more than money." 

 Hartford Times. 



G. P. PUTNAM'S SONS 



LONDON NEW YORK 



