948. Shrimp research aboard Soviet ship in Gulf of 

 Alaska, by Robert J. Wolotira, Jr. 



949. Removing porpoise from a tuna purse seine, by 

 James Coe and George Sousa. 



950. Longlines and billfish, by John S. Gottschalk. 



951. Double-rig twin shrimp-trawling gear used in Gulf 

 of Mexico, by Harvey R. Bullis, Jr. and Hilton 

 Floyd. 



952. Trawl studies based on bottom current 

 measurements, by S. B. Saila and W. H. Mowbray. 



953. Status of fish stocks off northeastern United 

 States, by Herbert Stern, Jr. and Bradford E. 

 Brown. 



954. The Atlantic coast surf clam fishery — 1971, by 

 John W. Ropes, Allan M. Barker, and George E. 

 Ward, Jr. 



955. American participation in tuna fishery of eastern 

 tropical Atlantic, by Gary T. Sakagawa and Wil- 

 liam H. Lenarz. 



956. How some pollutants affect embryos & larvae of 

 American oyster & hard-shell clam, by Anthony 

 Calabrese. 



957. Effect of predators on juvenile menhaden in clear 

 & turbid estuaries, by Richard L. Kroger and James 

 F. Guthrie. 



958. Initial success in estimating rearing-pond shrimp 

 population, by K. N. Baxter. 



Vol. 35 (1973) 



959. Japanese fishing vessels off Alaska, by William R. 

 Dickinson. 



960. A survey of the sea bass fishery, by David W. 

 Frame and Scott A. Pearce. 



961. Portable barge for estuarine research, by Dennis A. 

 Emiliani and Frank Marullo. 



962. Tuna: Pole-and-line fishing trials in central and 

 western Pacific, by R. N. Uchida and R. F. Sumida. 



963. Shrimp '73 — a billion dollar business, by Philip M. 

 Roedel. 



964. European demand helps spur New England 

 shrimp catches, by John R. Kallio. 



965. Fishery for northern shrimp, Pandalus borealis, in 

 the Gulf of Maine, by Roland L. Wigley. 



966. Shrimp research at the Galveston laboratory of the 

 Gulf Coastal Fisheries Center, by Robert F. Temple. 



967. Gulf of Mexico shrimp resource research, by 

 Charles W. Caillouet, Jr. and Kenneth N. Baxter. 



968. An automatic pumping device for sampling post- 

 larval shrimp (Penaeus spp.), by Frank Marullo. 



969. White shrimp (Penaeus setiferus) population 

 trends in a tidal marsh pond, by Stephen H. Clark 

 and Charles W. Caillouet, Jr. 



970. Distribution of commercial shrimp off the 

 northeastern coast of South America, by Robert C. 

 Cummins and Albert C. Jones. 



971. Shrimp industry of Central America, Caribbean 

 Sea, and northern South America, by George B. 

 Gross. 



972. Status of the California ocean shrimp resource and 

 its management, by W. A. Dahlstrom. 



973. Pandalid shrimp life history research at 

 Kachemak Bay, Alaska, by James C. Olsen. 



974. Studies of spot shrimp, Pandalus platyceros, at 

 Little Port Walter, Alaska, by Louis Barr. 



975. Progress toward farming shrimp in the United 

 States, by Richard A. Neal. 



976. Shrimp culture in Japan, by C. R. Mock. 



MFR Papers 



977. The shipjack tuna resource (Katsuo no shigen ni 

 tsuite), by Tsuyoshi Kawasaki. 



978. Northwest Fishery Center research on effects of en- 

 vironmental contaminants on marine organisms, by 

 Maurice E. Stansby and Dayton Lee Alverson. 



979. Seasonal and geographic characteristics of fishery 

 resources, California Current Region: IX. Inshore 

 sportfishes, by David Kramer and Paul E. Smith. 



980. Preliminary biological survey of log-rafting and 

 dumping areas in southeastern Alaska, by Robert J. 

 Ellis. 



981. The U.S. shrimp industry: Past trends and pro- 

 spects for the 1970's, by Donald R. Whitaker. 



982. Menhaden tagging and recovery: Part I — field 

 methods for tagging menhaden, genus Brevoortia, 

 by Paul J. Pristas and Thurman D. Willis. 



983. Menhaden tagging and recovery: Part II — recovery 

 of internal ferromagnetic tags used to mark men- 

 haden, genus Brevoortia, by R. O. Parker, Jr. 



984. Japan's eel fishery, by William B. Folsom. 



985. Elver investigations in the southeast, by Robert 

 Topp and Richard Raulerson. 



986. Structure and senses of fish, by Flalph Hile. 



987. Price spreads of fish products among producers 

 and distributors, by Erwin S. Penn. 



988. Rapid assessment of ocean environment aided by 

 new shipboard STD digitizer-computer interface, by 

 W. James Ingraham, Jr. and C. J. Bartlett. 



989. Procedure for product approval and purchase: 

 Army and Air Force Exchange Service, by Henry I. 

 Boies and Richard C. Raulerson. 



990. Sonic tags attached to Alaska king crab, by Gerald 

 E. Monan and Donald L. Thome. 



991. Export opportunities for U.S. fishery products, by 

 Morton M. Miller, Jukka Kolhonen, and Gregory 

 Hall. 



992. Beefish patties, by Frederick J. King and George 

 J. Flick. 



993. Slide rule for predicting shelf life of cod, by L. J. 

 Ronsivalli, Robert J. Learson, and S. E. Charm. 



994. The American lobster fishery: Economic analysis 

 of alternative management strategies, by Frederick 

 W. Bell and Richard F. Fullenbaum. 



995. Shipworms and other marine borers, by Michael 

 Castagna. 



996. Comparison of salmon catches in mono- and mul- 

 tifilament gill nets, by Percy Washington. 



997. Investigations of billfish biology at the Hawaiian 

 International Billfish Tournament, by John J. 

 Naughton. 



70 



