Vol. 63, no. 1 (continued) 



Early larval stages of the seabob, Xiphopenaeus kr^yeri (Heller). By William C. Renfro 

 and Harry L. Cook. Pp. 165-177, 20 figs., 3 tables. 



Abundance, age, and fecundity of shad, York River, Va., 1953-59. By Paul R. Nichols and 

 William H. Massmann. Pp. 179-187, 3 figs., 8 tables. 



Cod groups in the New England area. By John P. Wise. Pp. 189-203, 8 figs., 2 tables. 



Distinguishing tuna species by immunochemical methods. By George J. Ridgway. Pp. 205- 

 211, 2 figs., 3 tables. 



Theory on development of mounds near Red Bluff, Calif. By Harold A. Gangmark and F. 

 Bruce Sanford. Pp. 213-220, 25 figs. 



Effect of fishway slope on performance and biochemistry of salmonids. By Gerald B. 

 Collins, Carl H. Elling, Joseph R. Gauley, and Clark S. Thompson. Pp. 221-253, 32 figs., 

 15 tables. 



Vol. 63, no. 2, issued 1964, ii pp. 255-491 . 



Sexual maturation and spawning of Atlantic menhaden. By Joseph R. Higham and William R. 

 Nicholson. Pp. 255-271, 8 figs., 8 tables. 



An experimental evaluation of the C method for measuring phytoplankton production, 

 using cultures of Dunaliella primolecta Butcher. By William H. Thomas. Pp. 273-292, 

 5 figs., 14 tables. 



Dentition of the northern fur seal. By Victor B. Scheffer and Bertram S. Kraus. Pp. 293- 

 342, 5 figs., 18 tables, 26 plates. 



A benthic community in the Sheepscot River estuary, Maine. By Robert W. Hanks. Pp. 343- 

 353, 5 figs., 5 tables. 



Upwelling in the Costa Rica Dome. By Klaus Wyrtki. Pp. 355-372, 11 figs., 1 table. 



Preconstruction study of the fisheries of the estuarine areas traversed by the Mississippi 

 River-Gulf Outlet Project. By George A. Rounsefell. Pp. 373-393, 13 figs., 13 tables. 



A morphometric study of yellowfin tuna Thunnus albacares (Bonnaterre). By William F. 

 Royce. Pp. 395-443, 22 figs., 18 tables. 



Origins of high seas sockeye salmon. By Fred C. Cleaver. Pp. 445-476, 18 figs., 5 tables. 



Relation between spawning-stock size and year-class sizeforthe Pacific sardine Sardinops 

 caerulea (Girard). By John S. MacGregor. Pp. 447-491, 25 figs., 6 tables. 



Vol. 63, no. 3, issued 1964, ii pp. 493-669 . 



Life history of lake herring in Lake Superior. By William R. Dryer and Joseph Beil. Pp. 

 493-530, 12 figs., 43 tables. 



Annotated bibliography on biology of menhadens and menhadenlike fishes of the world. By 

 JohnW. Reintjes. Pp. 531-549, 1 table. 



Ocean mortality and maturity schedules of Karluk River sockeye salmon and some com- 

 parisons of marine growth and mortality rates. By R. A. Fredin. Pp. 551-574, 5 figs., 

 21 tables. 



A method of measuring mortality of pink salmon eggs and larvae. By William J. McNeil. 

 Pp. 575-588, 7 figs., 8 tables. 



