619. Macrozooplankton and small nekton in the coastal 

 waters off Vancouver Island (Canada) and Washing- 

 ton, spring and fall of 1963, by Donald S. 

 Day. January 1971, iii + 94 p., 19 figs., 10 tables, 3 

 apps. 



620. The Trade Wind Zone Oceanography Pilot Study. 

 Part IX: The sea-level wind field and wind stress 

 values, July 1963 to June 1965, by Gunter R. 

 Seckel. June 1970, iii + 66 p., 5 figs., 2 app. tables. 



621. Predation by sculpins on fall chinook salmon, On- 

 corhynchus tshawytscha, fry of hatchery origin, by 

 Benjamin G. Patten. February 1971, iii -t- 14 p., 6 

 figs., 9 tables. 



622. Numbers and lengths, by season, of fishes caught 

 with an otter trawl near Woods Hole, 

 Massachusetts, September 1961 to December 1962, 

 by F. E. Lux and F. E. Nichy. February 1971, iii + 

 15 p., 3 figs., 19 tables. 



623. Apparent abundance, distribution, and migrations 

 of albacore, Thunnus alalunga, on the North Pacific 

 longline grounds, by Brian J. Rothschild and Marian 

 Y. Y. Yong. September 1970, v -t- 37 p., 19 figs., 5 

 tables. 



624. Influence of mechanical processing on the quality 

 and yield of bay scallop meats, by N. B. Webb and 

 F. B. Thomas. April 1971, iii + 11 p., 9 figs., 3 

 tables. 



625. Distribution of salmon and related oceanographic 

 features in the North Pacific Ocean, spring 1968, by 

 Robert R. French, Richard G. Bakkala, Masanao 

 Osako, and Jun Ito. March 1971, iii + 22 p., 19 

 figs., 3 tables. 



626. Commercial fishery and biology of the fresh-water 

 shrimp, Macrobrachium, in the lower St. Paul 

 River, Liberia, 1952-53, by George C. Miller. Feb- 

 ruary 1971, iii -I- 13 p., 8 figs., 7 tables. 



627. Calico scallops of the southeastern United States, 

 1959-69, by Robert Cummins, Jr. June 1971, iii + 

 22 p., 23 figs., 3 tables. 



628. Fur seal investigations, 1969, by NMFS, Marine 

 Mammal Biological Laboratory. August 1971, viii 

 + 90 p., 20 figs., 44 tables, 23 app. A tables, 18 app. 

 B tables. 



629. Analysis of the operations of seven Hawaiian skip- 

 jack tuna fishing vessels, June-August 1967, by 

 Richard N. Uchida and Ray F. Sumida. March 

 1971, V -I- 25 p., 14 figs., 21 tables. 



630. Blue crab meat I. Preservation by freezing, by Jur- 

 gen H. Strasser, Jean S. Lennon, and Frederick J. 

 King. July 1971, iii + 13 p., 5 figs., 2 tables. 



630. Blue crab meat U. Effect of chemical treatments 

 on acceptability, by Jurgen H. Strasser, Jean S. 

 Lennon, and Frederick J. King. July 1971, iii -I- 12 

 p., 1 fig., 9 tables. 



631. Occurrence of thiaminase in some common 

 aquatic animals of the United States and Canada, 

 by R. A. Greig and R. H. Gnaedinger. July 1971, iii 

 -(- 7 p., 2 tables 



NOAA Technical Report NMFS SSRF 



632. An annotated bibliography of attempts to rear the 

 larvae of marine fishes in the laboratory, by Robert 

 C. May. August 1971, iii + 24 p., 1 app. I table, 1 

 app. II table. 



Special Scientific Report— Fisheries 



633. Blueing of processed crab meat. 11. Identification of 

 some factors involved in the blue discoloration of 

 canned crab meat {Callinectes sapidus), by Melvin 

 E. Waters. May 1971, iii + 7 p., 1 fig., 3 tables. 



634. Age composition, weight, length, and sex of her- 

 ring, Clupea pallasii. used for reduction in Alaska, 

 1929-66, by Gerald M. Reid. July 1971, iii -I- 25 p., 

 4 figs., 18 tables. 



NOAA Technical Report NMFS SSRF 



635. A bibliography of the blackfin tuna, Thunnus at- 

 lanticus (Lesson), by Grant L. Beardsley and David 

 C. Simmons. August 1971, 10 p. 



Special Scientific Report— Fisheries 



636. Oil pollution on Wake Island from the tanker R. C. 

 Stoner, by Reginald M. Gooding. May 1971, iii -I- 

 12 p., 8 figs., 2 tables. 



NOAA Technical Report NMFS SSRF 



637. Occurrence of larval, juvenile, and mature crabs in 

 the vicinity of Beaufort Inlet, North Carolina, by 

 Donnie L. Dudley and Mayo H. Judy. August 

 1971, iii + 10 p., 1 fig., 5 tables. 



638. Length-weight relations of haddock from com- 

 mercial landings in New England, 1931-55, by Brad- 

 ford E. Brown and Richard C. Hen- 

 nemuth. August 1971, v -I- 13 p., 1 fig., 6 tables, 10 

 app. A tables. 



639. A hydrographic survey of the Galveston Bay sys- 

 tem, Texas, 1963-66, by E. J. Pullen, W. L. Trent, 

 and G. B. Adams. October 1971, v -(- 13 p., 15 figs., 

 12 tables. 



640. Annotated bibliography on the fishing industry 

 and biology of the blue crab, Callinectes sapidus, by 

 Marlin E. Tagatz and Ann Bowman Hall. August 

 1971, 94 p. 



641. Use of threadfin shad, Dorosoma petenense, as live 

 bait during experimental pole-and-line fishing for 

 skipjack tuna, Katsuwonus pelamis, in Hawaii, by 

 Robert T. B. Iversen. August 1971, iii -I- 10 p., 3 

 figs., 7 tables. 



642. Atlantic menhaden (Brevoortia tyrannus) resource 

 and fishery — analysis of decline, by Kenneth A. 

 Henry. August 1971, v -(- 32 p., 40 figs., 5 app. figs., 

 3 tables, 2 app. tables. 



643. Surface winds of the southeastern tropical Atlan- 

 tic Ocean, by John M. Steigner and Merton C. Ing- 

 ham. October 1971, iii ■¥ 20 p., 17 figs. 



77 



