No. Title 



516. Distribution of fishes in U.S. streams tributary to Lake Superior . 

 By Harry H. Moore and Robert A. Braem. July 1965, iv + 61 pp. , 

 52 figs. 



517. A raft for direct subsurface observation at sea. By Reginald M. 

 Gooding. June 1965, iii + 5 pp. , 6 figs. 



* 518. Industrial bottomfish fishery of the northern Gulf of Mexico, 

 1959-63. By Charles M. Roithmayr. September 1965, iv + 

 23 pp. , 8 figs. , 9 tables. 



519. Biological investigations of purse seine fishery for Atlantic 

 menhaden. By Kenneth A. Henry. July 1965, iv + 12 pp. , 8 figs. , 

 4 tables. 



520. Bait shrimp (Penacus duorarum) in Tampa Bay, Florida- -biology, 

 fishery economics, and changing habitat. By Carl H. Saloman. 

 October 1965, iii + 16 pp. , 6 figs. , 7 tables. 



521. Bureau of Commercial Fisheries symposium on red tide. By 

 James E. Sykes. September 1965, iii + 1 1 pp. 



522. Pelagic fur seal investigations, 1964. By Clifford H. Fiscus and 

 Hiroshi Kajimura. November 1965, v + 47 pp. , 16 figs. , 26 

 tables. 



523. Stream catalog of Southeastern Alaska Regulatory Districts Nos. 

 5, 6, 7, and 8. Edited by Carl Rosier, Norm Johnston, and 

 Russel F. Orrell. August 1965, iii + 443 pp. , 78 figs. 



524. Stream catalog of Southeastern Alaska Regulatory District No. 9. 

 Edited by Norman Johnston. September 1965, iii + 197 pp. , 



47 figs. 



525. Comparative study of juvenile American shad populations by fin 

 ray and scute counts. By Paul R. Nichols. February 1966, iii + 

 10 pp. , 14 tables. 



526. Synopsis on the biology of the jack mackerel (Trachums symmetricus). 

 By John S. MacGregor. April 1966, iii + 16 pp. , 6 figs. , 2 tables. 



527. Age and size composition of the menhaden catch along the Atlantic 

 Coast of the United States, 1962, with a brief review of the com- 

 mercial fishery. By William R. Nicholson and Joseph R. Higham, 

 Jr. February 1966, iv + 24 pp. , 6 figs. , 23 tables. 



528. U.S. Federal research on fisheries and limnology in the Great 

 Lakes through 1964: an annotated bibliography. By Ralph Hile. 

 March 1966, iii + 53 pp. 



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