IV CONTENTS 
Prout. 22-25... .-2 sb eest esse Saas oe sae Se a eae eae ee ose ae 
Hield studies = = =k ea Ss a a tr eater 
California trout and salmon investigations 
Parasites fand diseasesioftiish! . 1 35.64 as Pe. wee eee 2 Le 
Nutrition studies at the Cortland Hatchery 
Investigations im interior waters ses — a ee ee ee aes 
Hydraulic section 323223 Nee se ee: See ee ee eee ote ee 
Tichthyologicaltinvestications= ese a aes Se eee eee 
Independent activities of the biological laboratories 
Woods Hole, Mass 
Beaufort, N. C 
Appropriations 
