(,-VI^T 



W 



THE LIFE OF INLAND 



ATER 



An elementary text book of fresh-water biology 

 for American students 



By , 



JAMES G. NEEDHAM 

 J in 



Professor of Limnology in Cornell University 

 and 



J. T. LLOYD 



Instructor in Limnology in Cornell University 



1916 



THE COMSTOCK PUBLISHING COMPANY 

 ITHACA, NEW YORK 



