PROGRESS IN BIOLOGICAL INQUIRIES, 1935^ 



By Elmer Higgins, Chief, Division of Scientific Inquiry 

 [With the collaboration of investigators] 



CONTENTS 



Page 



Introduction 382 



Cooperation 383 



Publications sponsored by the Division of Scientific Inquiry 384 



Nortli and Middle Atlantic fishery investigations 386 



Haddock 388 



Mackerel 392 



Shore fishes of the Middle Atlantic States 395 



Fishery investigations of the South Atlantic and Gulf Coasts 400 



Shrimp 400 



Great Lakes fishery investigations 404 



Fishery statistics 404 



Pike perches 405 



Yellow perches 406 



Current projects 406 



Pacific coast and Alaska fishery investigations 406 



Columbia River 407 



Puget Sound sockeye salmon 409 



Washington coho salmon 410 



Karluk River red salmon 411 



Chignik River red salmon 412 



Pink salmon 413 



Alaska salmon fishery statistics 414 



Herring 415 



Investigations concerning the protection of migratory fish at the 



Bonneville Dam [ 417 



Shellfish investigations 418 



Oyster pest control project 418 



Investigations on oyster culture 431 



Oyster investigations in Washington State 433 



York River pollution investigation 434 



Biology of the Quahog ( Venus mercenaria) 435 



Investigations on aquiculture 436 



Pond-fish culture 437 



Trout culture 437 



Cooperative work in national forests 441 



Fish diseases 444 



Fishery investigations in interior waters 447 



Pollution studies 447 



Mussel propagation 448 



Independent activities of the Fisheries biological laboratories 448 



Woods Hole, Mass 448 



Beaufort, N.C 448 



Ichthyological investigations 449 



Marine Fishes of the Gulf coast 451 



Silver Springs, Fla 451 



Eastern Texas survey 452 



Other collections 452 



^ Administrative Report No. 26, appendix IV to the Report of the U. S. Commissioner 

 of Fisheries for 1936. Approved for publication May 17, 1937. 



381 



