UNITED STATES FISH AND WILDLIFE SERVICE 

 BUREAU OF COMMERCIAL FISHERIES 



SPECIAL SCIENTIFIC REPORT-FISHERIES 



Numbe r 



557 CHARNELL, ROBERT L., DAVID W. K. AU, and GUNTER R. SECKEL. The trade wind 

 zone oceanography pilot study. Part VI: Townsend Cronnwell cruises 16, 17, and 21. 

 May and June 1965 and January 1966. June 1967, iv + 59 pp. 



558 BERRY, FREDERICK H., and SHELBY DRUMMOND. Geographical index to collecting 

 stations of the exploratory fishing vessels Oregon , Silver Bay, Combat , and Pelican , 

 1950-65. October 1967, iii + 25 pp. 



559 ZIMMERMAN, JEROME W. Water quality of streams tributary to Lakes Superior and 

 Michigan. January 1968, iii + 41 pp. 



560 BARR, LOUIS, and ROLAND McBRIDE. Surface-to-bottom pot fishing for Pandalis 

 shrimp. December 1967, iii + 7 pp. 



561 SALOMAN, CARL H. Diel and seasonal occurrence of pink shrimp, Penaeus duorarum 

 Burkenroad, in two divergent habitats of Tampa Bay, Florida. January 1968, iii + 6 pp. 



562 SHERMAN, KENNETH. Seasonal and areal distribution of zooplankton incoastal waters 

 of the Gulf of Maine, 1965 and 1966. March 1968, iii + 11 pp. 



563 SINDERMANN, CARL J. Bibliography of oyster parasites and diseases. April 1968, 

 i + 13 pp. 



564 HOLMES, ROBERT W. Description and evaluation of methods for determining incident 

 solar radiation, submarine daylight, chlorophyll A., and primary production used by 

 Scripps tuna oceanography research program in the eastern tropical Pacific. Decem- 

 ber 1968, iii+ 31 pp. 



565 NICHOLS, PAUL R. Passage conditions and counts of fish at the Snake Island fishway. 

 Little Falls Dam, Potomac River, Md., 1960-63. February 1968, iii + 14 pp. 



566 SMITH, JIM ROSS, JOHN R. PUGH, and GERALD E. MONAN. Horizontal and vertical 

 distribution of juvenile salmonids in Upper MayfieldReservoir, Washington. April 1968, 

 iii + 11 pp. 



567 WEBSTER, J. R., and W. N. SHAW. Setting and first season survival of the American 

 oyster, Crassostrea virginica , near Oxford, Maryland, 1961-62. July 1968, iii + 6 pp. 



568 WISE, JOHN P. The Japanese Atlantic longline fishery, 1964, and the status of the 

 yellowfin tuna stocks. August 1968, i + 5 pp. 



569 SINDERMANN, CARL J. Oyster mortalities, with particular reference to Chesapeake 

 Bay and the Atlantic coast of North America. July 1968, iii + 10 pp. 



570 ANDERSON, WILLIAM W. Fishes taken during shrimp trawling along the south Atlantic 

 coast of the United States, 1931-35. July 1968. iv + 60 pp. 



571 FULTON, LEONARD A. Spawning areas and abundance of chinook salmon ( Oncorhynchus 

 tshawytscha) in the Columbia River Basin--past and present. October 1968, iii + 26 pp. 



572 TORBLAA, RICHARD L. Effects of lamprey larvicides on invertebrates in streams. 

 August 1968. iii + 13 pp. 



573 GRIFFITHS, RAYMOND C. Physical, chemical, and biological oceanography of the en- 

 trance to the Gulf of California, spring of 1960. December 1968, iii + 47 pp. 



574 BROCK, VERNON E., and RICHARD N. UCHIDA. Some operational aspects of the Ha- 

 waiian live-bait fishery for skipjack tuna ( Katsuwonus pelamis ). September 1968, 

 iii + 9 pp. 



575 JORGENSON, SHERRELL C, and GRANT L. MILLER. Length relations of some ma- 

 rine fishes from coastal Georgia. November 1968, iii + 16 pp. 



576 McLAIN, DOUGLAS R. Oceanographic surveys of Traitors Cove, Revillagigedo Island, 

 Alaska. December 1968, iii + 15 pp. 



577 ROWLAND, RICHARD G. Relation of scale characteristics to river of origin in four 

 stocks of Chinook salmon ( Oncorhynchus tshawytscha) in Alaska. January 1969, 

 iii + 5 pp. 



As long as available, copies may be obtained by laboratories, libraries and individual scientists 

 without charge by writing to: Division of Publications, Bureau of Commercial Fisheries, 

 1801 N. Moore St., Arlington, Va. 22209. 



WASHINGTON, D.C. 20240 



MBL WHOI Llbrai 



WHSE 01790 



