Fisheries Review, vol. 22, no. 1 (Janu- 

 ary), p. 1-11. [Also as Separate No. 

 574.] 



BUTLER, T. H., and G. V. DUBOKOVIC. 

 1955a. Shrimp and prawn prospecting on 

 the British Columbia coast, June to 

 December 1954. Fisheries Research 

 Board of Canada, Pacific Biological 

 Station, Circular No. 35, February, 92 p. 



1955b. Shrimp prospecting in the offshore 

 region of the British Columbia coast, 

 June to August 1955. Fisheries Re- 

 search Board of Canada, Pacific Bio- 

 logical Station, Circular No. 39, No- 

 vember, 23 p. 



BUTLER, T. H., and H. E. J. LEGARE. 



1954. Shrimp prospecting in regions of the 

 British Columbia coast, November 1953 

 to March 1954. Fisheries Research 

 Board of Canada, Pacific Biological 

 Station, Circular No. 31, April, 42 p. 



ELLSON, J. G., and ROBERT LIVINGSTONE. 

 JR. 

 1952. The John N. Cobb's shellfish explo- 

 rations in certain Southeastern Alaskan 

 waters, spring 1951. U.S. Fish and 

 Wildlife Service, Commercial Fisheries 

 Review, vol. 14, no. 4 (April), p. 1-20. 

 [Also as Separate No. 311.] 



GREENWOOD, MELVIN R. 



1957. Bottom trawling exploration in the 

 Strait of Juan de Fuca - February to 

 March 1956. U.S. Fish and Wildlife 

 Service, Commercial Fisheries Review, 

 vol. 19, no. 3 (March), p. 1-10. [Also 

 as Separate No. 472.] 



1958. Bottom trawling explorations off 

 Southeastern Alaska 1956-1957. U.S. 

 Fish and Wildlife Service, Commercial 

 Fisheries Review, vol. 20, no. 12 

 (December), p. 9-21. [Also as Separate 

 No, 532.] 



1959. Shrimp explorations in central Alas- 

 kan waters by M/V John N. Cobb, July- 

 August 1958. U.S. Fish and Wildlife 



Service, Commercial Fisheries Review, 

 vol. 21, no. 7 (July), p. 1-13. [Also as 

 Separate No. 553.] 



HITZ, C. R., H. C. JOHNSON, and A. T. 

 PRUTER. 

 1961. Bottom trawling explorations off the 

 Washington and British Columbia coasts, 

 May- August 1960. U.S. Fish and Wild- 

 life Service, Commercial Fisheries 

 Review, vol. 23, no. 6 (June), p. 1-11. 

 [Also as Separate No. 620.] 



JOHNSON, HAROLD C. 



1959. King crab, shrimp, and bottom fish 

 explorations from Shumagin Islands to 

 Unalaska, Alaska - summer and fall, 

 1957. U.S. Fish and Wildlife Service, 

 Commercial Fisheries Review, vol. 21, 

 no. 3 (March), p. 7-19. [Also as Sepa- 

 rate No. 543.] 



RONHOLT, LAEL L., and AUSTIN R. MAGIL. 

 1961. Biological observations and results 

 of the 1960 John N. Cobb exploratory 

 shrimp cruise off the Central Oregon 

 coast. Oregon Fish Commission, Re- 

 search Briefs, vol. 8, no. 1 (August), 

 p. 31-46. 



SCHAEFERS, EDWARD A. 



1951. The John N. Cobb's shellfish explo- 

 ration in certain Southeastern Alaskan 

 waters, spring and fall of 1950. U.S. 

 Fish and Wildlife Service, Commercial 

 Fisheries Review, vol. 13, no. 4 (April), 

 p. 9-19. [Also as Separate No. 278.] 



1953. Shellfish explorations in certain 

 Southeastern Alaskan waters by the 

 John N. Cobb, spring 1952. U.S. Fish 

 and Wildlife Service, Commercial Fish- 

 eries Review, vol. 15, no. 3 (March), 

 p. 1-18. [Also as Separate No. 343.] 



SCHAEFERS, EDWARD A., and HAROLD C. 

 JOHNSON. 

 1957. Shrimp explorations off the Wash- 

 ington coast, fall 1955 and spring 1956. 

 U.S. Fish and Wildlife Service, Com- 

 mercial Fisheries Review, vol. 19, no. 

 1 (January), p. 9-25. [Also as Separate 

 No. 465.] 



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