522 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



755. Richards, M. B. 



1930. Manganese in relation to nutrition. The 

 Biochemical Journal, vol. 24, part 2, no. 174, 

 p. 1572-1590. London. 



756. Richardson, II. 



1905. A monograph on the isopods of North 

 America. Bulletin of the United States Na- 

 tional Museum, no. 54, 727 p. 



757. Richardson, I. D., D. H. CasHiNo, F. R. Harden 



Jones, R. J. H. Beverton, and R. W. Blacker. 

 1959. Echo sounding experiments in the Barents 

 Sea. Ministry of Agriculture, Fisheries and 

 Food, Fishery Investigations, series II, vol. 22, 

 no. 9, 57 p. London. 



Richardson, L. R., 273, 274, 275. 



758. Ritchie, A. D. 



1926. Lactic acid and rigor mortis in fish muscle. 

 The Journal of Physiology, no. 61, proceedings, 

 p. iv-v. London. 



759. Robertson, J. A. 



1932. A cursory survey of the Bear Island trawl- 

 ing ground. Conseil Permanent International 

 pour I'Exploration de la Mer, Rapports et 

 Proces-Verbaux des Reunions, vol. 81, appen- 

 dix 1, p. 115-139. 



Roche, A., 403. 



760. Rodriguez Martin, O. 



1956. Report on the cruise by the Spanish vessel 

 Cierzo in the waters off Newfoundland, June- 

 July 1955. International Commission for the 

 Northwest Atlantic Fisheries, Annual Proceed- 

 ings, vol. 6, part 3, p. 55-57. 



761. 



1959. Spanish research report, 1958. Interna- 

 tional Commission for the Northwest Atlantic 

 Fisheries, Annual Proceedings, vol. 9, part 3, 

 p. 80-81. 



762. Rodriguez Martin, O., and R. Lopez Costa. 



1954. Report on the cruise carried out by the 

 Spanish vessel Venilaval in the waters off New- 

 foundland, February-April 1953. International 

 Commission for the Northwest Atlantic Fish- 

 eries, Annual Proceedings, vol. 4, part 3, p. 

 49-54. 



763. Rodriguez Martin, O., and A. Rojo Lucio. 



1955. Report on the cruise by the Spaniish 

 trawler Mistral in the waters off Newfound- 

 land, June-July 1954. International Commis- 

 sion for the Northwest Atlantic Fisheries, 

 Annual Proceedings, vol. 5, part 3, p. 51-57. 



764. Rognerud, C. 



1889. Hatching cod in Norway. Bulletin of the 

 U.S. Fish Commission, vol. 7, for 1887, p. 

 113-119. 



765. RoJO L., A. 



1955. Datos sobre la edad del bacalao (G. cal- 

 larias L.) eglefino (Melanogrammus aeglefinus 

 L.), colin {Pollachius vireiis L.) y locha {Uro- 

 phycis tenuis Mitch) con indicacion de las 

 t^cnicas usadas. Boletin del Institute Espanol 

 de Oceanografia, Num. 73, p. 1-16. Madrid. 



766. — . 



1957. Researches carried out on board the 

 trawlers Santa. Ines and Santa Celia in Sub- 

 division 3N, Grand Bank of Newfoundland, 

 September, 1956. International Commission 

 for the Northwest Atlantic Fisheries, Annual 

 Proceedings, vol. 7, part 3, p. 58-62. 



767. 



1958. Spanish research report, 1957. Interna- 

 tional Commission for the Nortliwest Atlantic 

 Fisheries, Annual Proceedings, vol. 8, part 3, 

 p. 61-73. 



RoJO Lucio, A., 763. 



768. ROLLEFSEN, G. 



1930. Observations on cod eggs. Conseil Per- 

 manent International pour I'Exploration de la 

 Mer, Rapports et Proces-Verbaux des Reunions, 

 vol. 65, no. 5, p. 31-34. 



769. 



1932. The susceptibihty of cod eggs to external 

 influences. Conseil Permanent International 

 pour I'Exploration de la Mer, Journal du 

 Conseil, vol. 7, no. 3, p. 367-373. 



770. 



771. 



1933. The otoliths of the cod. Preliminary 

 report. Fiskeridirektoratets Skrifter, Serie 

 Havunders0kelser, (Report on Norwegian Fish- 

 ery Investigations), vol. 4, no. 3, p. 1-14. 



1934a. Observations on the propagation of the 

 cod and the plaice. Det Kongelige Norske 

 Videnskabers Selskabs Forhandlinger, bd. 7, 

 nr. 11, p. 33-34. 



772. 



1934b. Skreiens alder. [The age of the cod.] 

 Fiskeridirektoratets Skrifter, Serie Havunder- 

 s0kelser, (Report on Norwegian Fishery and 

 Marine Investigations), vol. 4, no. 7, p. 12-14. 

 [English review by O. Sund p. 25-20.] 



773. 



1934c. The cod otolith as a guide to race, sexual 

 development and mortality. Conseil Per- 

 manent International pour I'Exploration de la 

 Mer, Rapports et Proces-Verbaux des Re- 

 unions, vol. 88, no. 2, p. 1-5. 



774. 



1938. Changes in mean age and growth-rate 

 of the year-classes in the Arcto-Norwcgian 



