559. Water quality of streams tributary to Lakes 

 Superior and Michigan, by Jerome W. Zimmer- 

 man. January 1968, iii + 41 p., 2 figs., 11 tables, 1 

 app. 



560. Surface-to-bottom pot fishing for pandalid 

 shrimp, by Louis Barr and Roland 

 McBride. December 1967, iii + 7 p., 6 figs. 



561. Diel and seasonal occurrence of pink shrimp, 

 Penaeus duorarum Burkenroad, in two divergent 

 habitats of Tampa Bay, Florida, by Carl H. 

 Saloman. January 1968, iii -(- 6 p., 4 figs., 6 tables. 



562. Seasonal and areal distribution of zooplankton in 

 coastal waters of the Gulf of Maine, 1965 and 1966, 

 by Kenneth Sherman. March 1968, iii + 11 p., 6 

 figs., 6 tables. 



563. Bibliography of oyster parasites and diseases, by 

 Carl J. Sindermann. April 1968, 13 p. 



564. Description and evaluation of methods for deter- 

 mining incident solar radiation, submarine day- 

 light, chlorophyll a, and primary production — Used 

 by Scripps Tuna Oceanography Research Program 

 in the eastern tropical Pacific, by Robert W. 

 Holmes. December 1968, iii -I- 31 p., 5 figs., 15 

 tables. 



565. Passage conditions and counts of fish at the Snake 

 Island fishway. Little Falls Dam, Potomic River, 

 Md., 1960-63, by Paul R. Nichols. February 1968, 

 iii -I- 14 p., 7 figs.. 5 tables. 



566. Horizontal and vertical distribution of juvenile 

 salmonids in upper Mayfield Reservoir, Washing- 

 ton, by Jim Ross Smith, John R. Pugh, and Gerald 

 E. Monan. April 1968, iii -I- 11 p., 6 figs., 6 tables. 



567. Setting and first season survival of the American 

 oyster, Crassostrea virginica, near Oxford, Mary- 

 land, 1961-62, by J. R. Webster and W. N. 

 Shaw. July 1968, iii -I- 6 p., 2 figs., 4 tables. 



568. The Japanese Atlantic longline fishery, 1964, and 

 the status of the yellowfin tuna stocks, by John P. 

 Wise. August 1968, 5 p., 1 fig., 5 tables. 



569. Oyster mortalities, with particular reference to 

 Chesapeake Bay and the Atlantic coast, of North 

 America, by Carl J. Sindermann. July 1968, iii -I- 

 10 p., 7 figs. 



570. Fishes taken during shrimp trawling along the 

 south Atlantic coast of the United States, 1931-35, 

 by William W. Anderson. July 1968, iv -I- 60 p., 9 

 figs., 13 tables. 



571. Spawning areas and abundance of chinook salm- 

 on (Oncorhynchus tshawytscha) in the Columbia 

 River Basin — past and present, by Leonard A. Ful- 

 ton. October 1968, iii -I- 26 p., 5 figs., 8 tables. 



572. Effects of lamprey larvicides on invertebrates in 

 streams, by Richard L. Torblaa. August 1968, iii -I- 

 13 p., 2 figs., 11 tables. 



573. Physical, chemical, and biological oceanography 

 of the entrance to the Gulf of California, spring of 

 1960, by Raymond C. Griffiths. December 1968, iii 

 + 47 p., 40 figs., 1 table. 



574. Some operational aspects of the Hawaiian live- 

 bait fishery for skipjack tuna (Katsuwonus pelamis). 



by Vernon E. Brock and Richeird N. Uchida. Sep- 

 tember 1968, iii -I- 9 p., 1 fig., 5 tables. 



575. Length relations of some marine fishes from 

 coastal Georgia, by Sherrell C. Jorgenson and Grant 

 L. Miller. November 1968, iii + 16 p., 3 tables. 



576. Oceanographic surveys of Traitors Cove, 

 Revillagigedo Island, Alaska, by Douglas R. Mc- 

 Lain. December 1968, iii + 15 p., 15 figs., 2 tables. 



577. Relation of scale characteristics to river of origin in 

 four stocks of chinook salmon {Oncorhynchus 

 tshawytscha) in Alaska, by Richard G. Row- 

 land. January 1969, iii -t- 5 p., 5 figs., 1 table. 



578. Hydrological conditions in Clear Lake, Texas, 

 1958-66, by Edward J. Pullen. January 1969, iii + 

 8 p., 7 figs., 6 tables. 



579. Alist of the marine mammalsof the world, by Dale 

 W. Rice and Victor B. Scheffer. December 1968, iii 

 -I- 16 p. 



580. Maturity and spawning of skipjack tuna {Kat- 

 suwonus pelamis) in the Atlantic Ocean, with com- 

 ments on nematode infestation of the ovaries, by 

 David C. Simmons. January 1969, 17 p., 6 figs., 3 

 tables. 



581. Zooplankton volume off the Pacific coast, 1960, by 

 James R. Thrailkill. March 1969, 50 p., 13 figs., 5 

 tables. 



.582. The Japanese Atlantic longline fishery, 1965, and 

 the status of the yellowfin tuna and albacore stocks, 

 by John P. Wise and William W. Fox, Jr. April 

 1969, 7 p., 2 figs., 7 tables. 



583. Electrical installation for control of the northern 

 squawfish, by Galen H. Maxfield, Gerald E. Monan, 

 and Holbrook L. Garrett. February 1969, iii + 14 

 p., 8 figs., 4 tables. 



584. Fur seal investigations, 1966, by BCF, Marine 

 Mammal Biological Laboratory. June 1969, vii + 

 123 p., 33 figs., 6 app. C figs., 52 tables, 27 app. A 

 tables, 15 app. C tables. 



585. Length-weight relation and conversion of "whole" 

 and "headless" weights of royal-red shrimp, 

 Hymenopenaeus robustus (Smith), by Edward F. 

 Klima. May 1969, iii -t- 5 p., 3 tables. 



586. The Trade Wind Zone Oceanography Pilot Study 

 Part VII: Observations of sea birds March 1964 to 

 June 1965, by Warren B. King. June 1970, vi + 136 

 p., 36 figs., 11 tables, 2 app. tables. 



587. Transplanting adult pink salmon to Sashin Creek, 

 Baranof Island, Alaska, and survival of their 

 progeny, by William J. McNeil, Stephen C. Smed- 

 ley, and Robert J. Ellis. August 1969, iii -)- 9 p., 3 

 figs., 6 tables. 



588. Processing of digital data logger STD tapes at the 

 Scripps Institution of Oceanography and the Bureau 

 of Commercial Fisheries, La Jolla, California, by 

 James H. Jones. June 1969, iii + 25 p., 6 figs., 1 

 app. 



589. Return and behavior of adults of the first filial 

 generation of transplanted pink salmon, and sur- 

 vival of their progeny, Sashin Creek, Baranof Is- 



75 



