Barnett. pp. 5-13, 5 figs., 1 table. 

 ABSTRACT 

 The icinp of halibut aboard the fishing vessel 

 sometimes is inadequate to minimize the loss of 

 quality during the trip. Observations made of icing 

 and other handling practices aboard halibut vessels 

 serve as the basis for the recommendations sug- 

 gested here for improving the method of handling. 

 Adhering to these recommendations will help the 

 fisherman land halibut of more uniform quality. 



Vol. 6, No. 1. Phycocolloids. By Norman W. Dur- 

 rani and F. Bruce Sanford. pp. 15-51, 45 figs. 

 ABSTRACT 

 Although phycocolloids — gelatinous materials 

 produced from seaweeds — are economically impor- 

 tant, they are not widely known materials. This 

 paper discusses the three principal phycoUoids manu- 

 factured in this country — namely, agar-agar, algin, 

 and carrageenan — and outlines the ways they are 

 produced and the ways they are used. At the manu- 

 facturer's level, these three phycocolloids are worth 

 about 1.5 million dollars a year to the United States. 



Vol. 6, No. 2. Machine for Separating Northern 

 Shrimp, Pandalus borealin, from Fish and 

 Trash in the Catch. By Michael G. Corbett. 

 pp. 53-62, 8 figs. 



ABSTRACT 

 Because of the labor required in separating 

 northern shrimp from the unwanted components 

 of the catch that are taken along with it, this valu- 

 able resource in the Gulf of Maine is not harvested 

 to the e.xtent possible. Consequently, a machine 

 was developed to separate the shrimp from the 

 bulk of groundfish and other species taken in trawl 

 catches during exploratory and commercial fishing. 

 Its use eliminates the laborious task of sorting the 

 catch by hand, yet the separator recovers about 

 95 percent of the shrimp that are fed into it, while 

 eliminating about 90 percent of the trash. 



Vol. 6, No. 2. Recommendations for the Sanitary 

 Operation of Plants that Process Fresh and 

 Frozen Fish. By J. Perry Lane. pp. 63-82. 

 ABSTR.\CT 

 The problem of sanitation in food -processing 

 plants is receiving increasing attention from Federal 

 and State regulatory agencies, as well as private 

 industry. This article covers recommended guide- 

 lines that can assist the processors of fresh and 

 frozen fish in evaluating their existing sanitation 

 practices or in establishing new ones. 



Vol. 6, No. 2. Tow-Bar System for Seining Farm 

 Ponds. By Kenneth L. Coon and James E. 

 Ellis, pp. 83-88, 5 figs. 



ABSTRACT 

 The farm-pond fish-raising industry has needed 

 mechanized methods to lower the cost of harvesting 



the fish. This report describes equipment and its 

 operation for hauling a small seine with farm 

 tractors or trucks if the pond has levees or a shore 

 that can accommodate these vehicles. The equip- 

 ment works well with ponds up to 4.50 feet wide 

 and of any length. 



Vol. 6, No. 2. Preliminary Study of the Proxi- 

 mate Composition of Meat of Fur Seal, Cal- 

 lorhitius ursinus. By Richard W. Nelson and 

 Harold J. Barnett. pp. 89-92, 4 tables. 

 ABSTRACT 

 Finding profitable uses for the carcasses of fur 

 seal has presented a problem to the Bureau of 

 Commercial Fisheries. As a part of an effort to 

 encourage use of the carcasses, several separate 

 lots of meat and ground eviscerated carcasses were 

 analyzed to determine proximate chemical com- 

 position. In this preliminary study, individual 

 carcasses and samples from lots of ground carcasses 

 were high in protein content and variable in oil 

 content. Analyses of small samples of male and 

 female seals taken at different times during the 

 harvesting season indicated that variation in com- 

 position did not correlate with the time of sampling 

 nor with the sex of the animal. 



Vol. 6, No. 3. Feasibility of Using Tennessee 

 River Fish for Fishery Products. By Richard 

 A. Krzeczkowski. pp. 93-103, 4 tables. 

 ABSTRACT 

 Populations of reservoir fishes are dominated by 

 species that are of no interest to sport fisherman 

 and that are of low market value. Yet a useful 

 outlet is needed for them. Would they perhaps be 

 suitable for the production offish meal? 



In partial answer to this complex question, the 

 present study investigated the nutritional aspects 

 of some of the principal species of fishes growing 

 abundantly in reservoirs. In this connection, carp, 

 freshwater drum, gizzard shad, and threadfin shad 

 from the Tennessee River (specifically, Kentucky 

 Lake) were harvested commercially and were 

 rendered into press cake and fish meal. The seasonal 

 variations in proximate analyses, the composition 

 of extracted fish oil, the presence or absence of 

 thiaminase in the materials, the concentration of 

 DDT and DDE, and the comparative value of the 

 fish meal in broiler rations were determined. The 

 study indicated that these species of fishes are 

 nutritionally and physically suitable for the pro- 

 duction offish press cake, meal, and oil. 



Vol. 6, No. 3. Economic Study of the San Pedro 

 Wetfish Boats. By William F. Perrin and 

 Bruno G. Noetzel. pp. 105-138, 11 figs., 24 

 tables. 



ABSTRACT 

 The San Pedro wetfish fleet is shrinking in size 

 and is not yielding good wages for fishermen or 

 good returns to investors. A study was made to 



