SEMINARS 



Training program in Washington, Bernard E. Skud 



Activities of the Honolulu Biological Laboratory. Joseph J. Graham 



Methods and significance of salinity measurements, Kenneth T, Marvin 



Navigation and navigational astronomy. William Renfro 



Poison bait for nutria control. James Ragan 



Estimating mortality in a tagged shrimp population. Joseph H. Kutkuhn 



Shrimp fishery in India. Malloothara J. George, Mandapam Gamp, South India 



Respiration and metabolism in crustaceans. Zoula Zein-Eldin 



Circulating water systems: pros and cons, Ray Wheeler 



Marine pond cxxlture in British Guiana. W, H. L. Allsopp, British Guiana 



Biological responses to polarized light. David V. Aldrich 



Oyster culture. John VanDerwalker 



Biologiccd factors affecting population fluctuations. Harry Cook 



International Indian Ocean Expedition. Kenneth N. Baxter. 



MEETINGS ATTENDED* 



Tortugas Shrimp Commission, U. S. Section, Miami, July (2) 



Tortugas Shrimp Commission, Havana, July (1) 



American Institute of Biological Sciences, Stillwater, Oklahoma, August (4) 



American Fisheries Society, Denver, September (2) 



Southwest Field Committee, Denver, September (1) 



U. S. Study Commission- Texas, Fort Worth, September (2) 



Water for Texas, College Station, Texas, September (2) 



Texas Bait Shrimpers Association, Highland Bayou, September (1) 



Gulf States Marine Fisheries Commission, St. Petersburg Beach, October (5) 



Gulf and Caribbean Fisheries Institute, Miami, November (3) 



Southeastern Fisheries Association, St. Simons Island, Georgia, November (1) 



Biological Research Laboratory Directors' Meeting, Washington, D. C. , Dec, (1) 



Arkansas- White-Red River Interagency Committee, New Orleans, Jan. (1) 



Southwest Field Committee, New Orleans, Jan. (1) 



Nutria Control Conference, Beaumont, January (1) 



Texas Shrimp Association, Houston, January (3) 



North American Wildlife Conference, Washington, D. C. , March (1) 



Gulf States Marine Fisheries Commission, Biloxi, March (2) 



American Society of Ichthyology and Herpetology, Austin, March (1) 



Welder Wildlife Foundation, Sinton, Texas, April (2) 



North Atlantic Fish Marking Symposiunn, Woods Hole, Mass., May (1). 



♦Attendance shown in parentheses. 



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