791. Clam survey— Ocean City, Maryland, to Cape 

 Charles, Virginia, by Phillip S. Parker. 



792. The West Coast's seaweed industry, by Norman 

 W. Durrant. 



793. Development of a submersible pumping system for 

 a hydraulic surf clam dredge, by Mark L. Standley 

 and Phillip S. Parker. 



794. Preservation of fish by the use of gamma rays, by 

 Louis J. Ronsivalli, Lena Baldwin, and F. Bruce 

 Sanford. 



795. Incidental catches of finfish in sea scallop dredges 

 on Georges Bank, by Roland L. Wigley and Henry 

 W. Jensen. 



796. Development of the electro-shrimp trawl system, 

 by Norman L. Pease and Wilber R. Seidel. 



797. The Atlantic surf clam fishery in 1966, by Thomas 

 M. Groutage and Allan M. Barker. 



798. An evaluation of sampling traps in farm ponds, by 

 James E. Ellis and Kenneth L. Coon. 



799. The sponge industry of Tarpon Springs, by Myrtle 

 Ferry. 



800. Deck equipment layout on MA' "Delaware" for 

 surf clam survey, by Lars A. Fahlen. 



801. New tests assess quality changes in fish, by John 

 Spinelli. 



802. A method for tapering purse seines, by Jerry E. 

 Jurkovich. 



803. New "live car" improves catfish harvesting and 

 handling, by Marvin F. Boussu. 



Vol. 30 (1968) 



804. Clam survey off Virginia (Cape Charles to False 

 Cape), by Phillip S. Parker and Lars A. Fahlen. 



80.5. FAO study tour in USSR, by Dayton L. Alverson. 



806. Experimental trawling and pot fishing for giant 

 Alaskan prawn, by Doyne W. Kessler. 



807. Special small-clam retainer and bottom sampler 

 designed, by Lars A. Fahlen and Phillip S. Parker. 



Improving and expanding the distribution of fresh 

 (unfrozen) seafoods by means of insulated con- 

 tainers, by Anonymous. 



Oceanography's role in developing marine 

 resources, by James H. Johnson. 



Submarine photos of commercial shellfish off 

 northeastern United States, by Roland L. Wigley 

 and K. 0. Emery. 



Detection of fish schools by sonar (eastern tropical 

 Pacific, July-November 1967), by Robert I. Mc- 

 Clendon. 



How Lake Superior gill net vessel was converted to 

 trawler, by Warren Handwork. 



Landings of skipjack and yellowfin tuna at 

 Papeete Market (Tahiti), bv Michel Brun and 

 Witold L. Klawe. 



Trends in the Atlantic sea scallop fishery, by 

 Julius A. Posgay. 



Parachute-type sea anchor, by Fred W. Hipkins. 



The new thread herring fishery in the eastern Gulf 

 of Mexico, by Charles M. Fuss, Jr. 



808. 



809. 



810. 



811. 



812. 



813. 



814. 



815. 

 816. 



817. Recent innovations for trawl net reels, by William 

 L. High. 



818. Safety for the commercial fishing vessel and crew, 

 by John J. Murray. 



819. Vacuum evisceration, a modern method of clean- 

 ing fish at sea, by Thomas J. Connors and Daniel W. 

 Baker. 



820. Scallop explorations off Oregon, by Lael L. Ron- 

 holt and Charles R. Hitz. 



821. The Dungeness crab fishery around Kodiak, 

 Alaska, by Robert M. Meyer. 



822. The view from a storied sub the 'Alvin' off Norfolk, 

 Va., by R. L. Edwards and K. O. Emery. 



823. The late-summer waters of the Gulf of Mexico, by 

 Reed S. Armstrong and John R. Grady. 



824. Rearing lugworms for fish bait, by John L. Taylor 

 and Carl H. Saloman. 



825. The role of international agreements in Alaskan 

 fisheries, by Ronald C. Naab. 



826. Bottom longline explorations in the Gulf of Mex- 

 ico, a report on "Oregon II's" first cruise, by Walter 

 R. Nelson and James S. Carpenter. 



827. Are estuaries necessary? by J. L. McHugh. 



828. The fish-finding sonar of "Oregon II," by Donald 

 A. Wickham and Shelby B. Drummond. 



829. The 1967 Atlantic coast surf clam fishery, by 

 Robert M. Yancey. 



830. U.S. and Japan conduct successful salmon 

 research cruise, by Robert R. French and Richard 

 Bakkala. 



831. A floating trap net for use in reservoirs, by Gary 

 Ackerman and Marvin F. Boussu. 



Vol. 31 (1969) 



832. The U.S. fish protein concentrate program, by 

 Roland Finch. 



833. A machine for winding trawl cable, by Ian E. Ellis. 



834. Japanese longline fishery in Gulf of Alaska, by Jim 

 H. Branson. 



835. Late-winter waters of Yucatan Straits — a 1968 

 'Geronimo' survey in Gulf of Mexico, by Reed S. 

 Armstrong. 



836. A progress report on the development of a shrimp 

 trawl to separate shrimp from fish and bottom- 

 dwelling animals, by William L. High, Ian E. Ellis, 

 and Larry D. Lusz. 



837. Longlining for swordfish in the eastern Pacific, by 

 Susumu Kato. 



838. Method for protecting lake trout taken in trawls, 

 by Alfred Larsen and Warren Handwork. 



839. Shipping live Dungeness crabs by air to retail mar- 

 ket, by H. J. Barnett, R. W. Nelson, and P. J. Hun- 

 ter. 



840. Research on a system for bypassing juvenile salmon 

 & trout around low-head dams, by Clifford W. Long 

 and Richard F. Krcma. 



841. Revisions of international agreements affecting 

 Alaskan fisheries, by Ronald Naab. 



67 



