636 Oil pollution on Wake Island from the tanker 

 R. C. Stoner. By Rginald M. Gooding. May 

 1971, iii + 12 pp., 8 figs., 2 tables. For sale by 

 the Superintendent of Documents, U.S. Govern- 

 ment Printing Office, Washington, D.C. 20402 - 

 Price 25 cents. 



637 Occurrence of larval, juvenile, and mature crabs 

 in the vicinity of Beaufort Inlet, North Carolina. 

 By Donnie L. Dudley and Mayo H. Judy. August 

 1971, iii + 10 pp., 1 fig., 5 tables. For sale by 

 the Superintendent of Documents, U.S. Govern- 

 ment Printing Office, Washington, D.C. 20402 - 

 Price 25 cents. 



638 Length-weight relations of haddock from com- 

 mercial landings in New England, 1931-55. By 

 Bradford E. Brown and Richard C Hennemuth. 

 August 1971, v + 13 pp., 16 fig., 6 tables, 10 

 appendix A tables. For sale by the Superintend- 

 ent of Documents, U.S. Government Printing 

 Office, Washington, D.C. 20402 - Price 25 cents. 



639 A hvdrographic survey of the Galveston Bay 

 svstem, Texas 1963-66. By E. J. Pullen, W. L. 

 Trent, and G. B. Adams. October 1971, v + 

 13 pp., 15 figs., 12 tables. For sale by the Super- 

 intendent of Documents, U.S. Government Print- 

 ing Office, Washington, D.C. 20402 - Price 30 

 cents. 



640 Annotated bibliography on the fishing industry 

 and biology of the blue crab, Callinectes sapidus. 

 By Marlin E. Tagatz and Ann Bowman Hall. 

 August 1971, 94 pp. For sale by the Superinten- 

 dent of Documents, U.S. Government Printing 

 Office, Washington, D.C. 20402 - Price $1.00. 



641 Use of threadfin shad, Dorosoma petenense, as 

 live bait during experimental pole-and-line fish- 

 ing for skipjack tuna, Katsuwomis pelam.is, in 

 Hawaii. By Robert T. B. Iversen. August 1971, 

 iii + 10 pp., 3 figs., 7 tables. For sale by the 

 Superintendent of Documents, U.S. Government 

 Printing Office, Washington, D.C. 20402 - Price 

 25 cents. 



642 Atlantic menhaden Brevoortia tyrcinnus resource 

 and fishery — analysis of decline. By Kenneth 

 A. Henry. ' August 1971, v + 32 pp., 40 figs., 5 

 appendix figs., 3 tables, 2 appendix tables. For 

 sale by the Superintendent of Documents, U.S. 

 Government Printing Office, Washington, D.C. 

 - 2 - Price 45 cents. 



643 Surface winds of the southeastern tropical At- 

 lantic Ocean. By John M. Steigner and Merton 

 C. Ingham. October 1971, iii + 20 pp., 17 figs. 

 For sale by the Superintendent of Documents, 

 U.S. Government Printing Office, Washington, 

 D.C. 20402 - Price 35 cents. 



644 Inhibition of flesh browning and skin color fading 

 in frozen fillets of yelloweye snapper (Lutzanus 

 vivanus). By Harold C. Thompson, Jr., and 

 Mary H. Thompson. February 1972, iii + 6 pp., 

 3 tables. For sale by the Superintendent of Doc- 

 uments, U.S. Government Printing Office, Wash- 

 ington, D.C. 20402 - Price 25 cents. 



645 Traveling screen for removal of debris from 

 rivers. By Daniel W. Bates, Ernest W. Murphey, 

 and Martin G. Beam. October 1971, iii + 6 pp., 

 6 figs., 1 table. For sale by the Superintendent 

 of Documents, U.S. Government Printing Office, 

 Washington, D.C. 20402 - Price 25 cents. Stock 

 No. 0320-0016. 



646 Dissolved nitrogen concentrations in the Colum- 

 bia and Snake River's in 1970 and their effect on 

 chinook salmon and steelhead trout. By Wesley 

 J. Ebel. August 1971, iii + 7 pp., 2 figs., 6 

 tables. For sale by the Superintendent of Doc- 

 uments, U.S. Government Printing Office, Wash- 

 ington, D.C. 20402 - Price 20 cents. 



647 Revised annotated list of parasites from sea mam- 

 mals caught off the west coast of North America. 

 By L. Margolis and M. D. Dailey. March 1972, 

 iii + 23 pp. For sale by the Superintendent of 

 Documents, U.S. Government Printing Office, 

 Washington, D.C. 20402 - Price 35 cents. 



648 Weight loss of pond-raised channel catfish 

 (Ictalurus punctatJts) during holding in pro- 

 cessing plant vats. By Donald C. Greenland and 

 Robert L. Gill. December 1971, iii + 7 pp., 3 figs., 

 2 tables. For sale by the Superintendent of Doc- 

 uments, U.S. Government Printing Office, Wash- 

 ington, D.C. 20402 - Price 25 cents. 



649 Distribution of forage of skipjack tuna (Euthyn- 

 nils pelamis) in the eastern tropical Pacific. By 

 Maurice Blackburn and Michael Laurs. January 

 1972, iii + 16 pp., 7 figs., 3 tables. For sale by 

 the Superintendent of Documents, U.S. Govern- 

 ment Printing Office, Washington, D.C. 20402 - 

 Price 30 cents. Stock No. 0320-0036. 



650 Effects of some antioxidants and EDTA on the 

 development of rancidity in Spanish mackerel 

 (Scomberomonis maculatus) during frozen stor- 

 age. By Robert N. Farragut. February 1972, 

 iv + 12 pp., 6 figs., 12 tables. For sale by the 

 Superintendent of Documents, U.S. Government 

 Printing Office, Washington, D.C. 20402 - Price 

 25 cents. Stock No. 0320-0032. 



651 The effect of premortem stress, holding temper- 

 atures, and freezing on the biochemistry and 

 quality of skipjack tuna. By Ladell Crawford. 

 April' 1972, iii + 23 pp., 3 figs., 4 tables. For 

 sale by the Superintendent of Documents, U.S. 

 Government Printing Office, Washington, D.C. 

 20402 - Price 35 cents. 



653 The use of electricity in conjunction with a 12.5- 

 meter (Headrope) Gulf-of -Mexico shrimp trawl 

 in Lake Michigan. By James E. Ellis. March 

 1972, iv + 10 pp., 11 figs., 4 tables. For sale 

 by the Superintendent of Documents, U.S. Gov- 

 ernment Printing Office, Washington, D.C. 

 20402 - Price 25 cents. 



654 An electric detector system for recovering inter- 

 nally tagged menhaden, genus Brevoortia. By R. 

 O. Parker, Jr. February 1972, iii + 7 pp., 3 figs., 

 1 appendix table. For sale by the Superintendent 

 of Documents, U.S. Government Printing Office, 

 Washington, D.C. 20402 - Price 25 cents. 



655 Immobilization of fingerling salmon and trout by 

 decompression. By Doyle F. Sutherland. March 

 1972, iii + 7 pp., 3 figs., 2 tables. For sale by 

 the Superintendent of Documents, U.S. Govern- 

 ment Printing Office, Washington, D.C, 20402 - 

 Price 25 cents. 



656 The calico scallop, Argopecten gibbus. By Don- 

 ald M. Allen and T. J. Costello. May 1972, iii + 

 19 pp., 9 figs., 1 table. For sale by the Superin- 

 tendent of Documents, U.S. Government Printing 

 Office, Washington, D.C, 20402 - Price 35 cents. 



