CONTENTS 



FISHERY BULLETIN OF THE U.S. FISH AND WILDLIFE SERVICE 



VOLUME 67, NUMBER 2 



Page 

 The feeding habite of the gi^en crab, Carciny.s maenas (L.) . By John W. Ropes. (Published October ^^^ 

 1968.) 



Early life history and spawning of the albacore, Thunnus aMvm.ga, in Hawaiian waters. By 

 Howard O. Yoshida. (Published October 1968.) 



Some effects of hydraulic dredging and coast.nl development in Boca Ciega Bay, Florida. By John L. 

 Taylor and Carl H. Saloman. (Published October 1968.) 



Photographic atlas of sockeye sahnon scales. By Kenneth H. Mosher. (Published November 1968. ) .. 243 



^xro^vth of juvenile blue crabs, CaUmectes sapklvs Rathbun, in the St. Johns River, Florida. By ^^^ 

 Marlin E. Tagatz. (Published November 1968.) 



Distribution of b«)wn shrimp {Penmm aztecxm aztecu, Ives) as related to turbid ^y^ter photo- 



graphed from space. By Milton J. Lindner and James S. Bailey. (Published December 1968.) - 289 



Physical and chemical limnology of Brownlee Reservoir, 1962-64. By Wesley J. Ebel and ^^^ 

 Charles H. Koski. (Published December 1968.) 



Changes in abundance of the green crab, Cwrcimi^ mmmu, (L.) , in relation to recent temi>erature 

 changes. By Walter R. Welch. (Published December 1968.) 



E-g-to-migrant survival of spring chinook salmon (Oncorhymhiis tshawytscha) in the Yakima 



River, Washington. By Richard L. Major and James L. Mighell. (Published January 1969.) — 347 



Contribution of Columbia River hatcheries to ]iai-.-est of fall chinook salmon {O'rworhynchus 



fshawi/tscha). By Donald D. Worlund, Roy J. Wahle, and Paul D. Zimmer. (Published April ^^^ 

 1969.)* 



Effects of pesticides on embi^onic development of clams and oystere and on survival and growth of 

 the larvae. By Harry C. Davis and Herbert Hidu. (Published April 1969.) 



Biological studies and estimates of optimum escapements of sockeye salmon in the major river sys- 

 , tems in southwestern Ahiska. By Robeit L. Burgner, Cliarles J. DiCostanzo, Robert J Elte, 



George Y. Harry, Jr., Wilbur L. Hartman, Orra E. Kerns, Jr., Ole A. Mathisen, and William F. ^^^ 

 Royce. (Published April 1969.) 



