solved phosphate-phosphorus are shown on the 0-, 

 20-, 50-, 100-, 150-, 250-, and 400-m. horizontal sur- 

 faces, on the 25.5-g./l. isopycnic surface, and in two 

 vertical sections across the central Caribbean. The 

 topography of the 25.5-g./\. isopycnic surface is also 

 shown. 



34. Sediments, oceanographic observations, 

 and floristic data from Tampa Bay, Florida, 

 and adjacent waters, 1961-65. By John L. 

 Taylor and Carl H. Saloman. 1969, 562 pp. 

 on 9 microfiche. 



ABSTRACT 

 Sediment type at each of 773 stations is char- 

 acterized, and isopleths of mean grain size, sorting, 

 calcium carbonate, and organic carbon are given. 

 Oceanographic data include water temperature, sa- 

 linity, pH, and water depth. The occurrence of 

 sea grasses and filamentous algae is noted. Methods 

 of sampling and analyses are described. 



35. Seasonal abundance and length frequency 

 distribution of some marine fishes in coastal 

 Georgia. By Grant L. Miller and Sherrell C. 

 Jorgenson. 1969, I'OS pp. on 2 microfiche. 



ABSTRACT 

 Data are presented for 101 species of fishes col- 

 lected from March 1953 to May 1961 on the ocean 

 beach and in salt marshes in coastal Georgia. 

 Length-frequency distributions are presented for 51 

 species of marine fishes; size, abundance, and oc- 

 currence by month and season are given. Water 

 and weather information recorded at each station 

 at the time of sampling is also presented. 



36. Tuna larvae (Pisces, Scombridae) collected 

 in the northwestern Gulf of Guinea, Geronimo 

 cruise 3, 10 February to 26 April 1964. By 

 William J. Richards, David C. Simmons, Ann 

 Jensen, and Walter C. Mann. March 1969, 

 19 pp. on 1 microfiche. 



ABSTRACT 

 The number of tuna larvae are given by size class, 

 and associated station data are listed. 



37. Larvae of tuna and frigate mackerel 

 (Pisces, Scombridae) collected in the north- 

 western Gulf of Guinea, Geronimo cruise 4, 

 5 August to 13 October 1964. September 1969, 

 17 pp. on 1 microfiche. 



ABSTRACT 

 The larvae are given by size class, by number 

 strained per 1,000 m' of sea water, and by station. 



38. Summer and fall thermal regime of Frank- 

 lin D. Roosevelt Lake, Wash., 1964-67. By 

 G. R. Snyder and W. D. Parente. September 

 1969, 39 pp. on 1 microfiche. 



ABSTRACT 

 Presented are temperature-depth tabulations 

 from weekly surveys made at 10 locations on Frank- 

 lin D. Roosevelt Lake on upper part of the Columbia 

 River during July through October 1964-67. 



39. Temperature-depth profiles for Arrow 

 lakes (1965-66) and temperature flow studies 

 of the Columbia, Kootenay, and Pend Oreille 

 Rivers (1964-66) in British Columbia. By 

 George R. Snyder and William D. Parente. 

 October 1969, 70 pp. on 2 microfiche. 

 ABSTRACT 

 Data for the temperature-depth profiles were col- 

 lected during the summer and early fall of 1965 and 

 1966 at three locations in Upper Arrow Lake and 

 three locations in Lower Arrow Lake, British Co- 

 lumbia. Data on surface temperatures and water 

 flow were taken during the summer and early fall 

 of 1964-66 in the Columbia River near Robson, in 

 the Pend Oreille River at Waneta Dam, and in the 

 Kootenay River at Brilliant Dam, British Columbia. 

 Summaries of the surface and deepest soundings 

 for the uppermost station at Upper Arrow Lake and 

 the lowermost station at Lower Arrow Lake are 

 tabulated for 1965 and 1966. 



Fishery Industrial Research 



Vol. 4, No. 6. Rapid method for the estimation 

 of EDTA (ethylenediaminetetraacetic acid) 

 in fish flesh and crab meat, by Herman S. 

 Groninger and Kenneth R. Brandt. February 

 1969, pp. 209-212, 1 fig., 2 tables. 

 ABSTRACT 

 EDTA, a quality stabilizing additive, is usually 

 applied to seafoods by spraying or dipping, and the 

 amount of EDTA retained by the treated product 

 must be determined by an analytical method. A 

 titration method based on the chelation of EDTA 

 with thorium ion was modified for use in the de- 

 termination of EDTA in fish flesh and crab meat. 

 The modified method is both simple and rapid and 

 gave about 90-percent recovery of added EDTA 

 from samples of fish flesh and crab meat. 



Vol. 4, No. 6. Design, construction, and field 

 testing of the BCF electric shrimp-trawl sys- 

 tem, by Wilber R. Seidel. February 1969, pp. 

 213-231, 10 figs., 4 tables. 

 ABSTRACT 

 The system was designed and constructed so that 

 the feasibility of using electricity to help capture 

 brown and pink shrimps during daylight could be 

 determined. Components of the system were de- 

 signed to produce, on a full-size commercial trawl, 

 the stimulation needed to cause shrimp to emerge 

 from the substratum where they burrow during the 

 daytime. 



