Series 



PFC v.U, no.l, Jan. 1949. 



A. Muskellunge fingerling culture; produc- 



tion of the "muskie" in Wisconsin, by 

 A. A. Oehmcke. 3-18 p., illus. 



B. Fish culture in Morocco, by J. G. 



Prud'homme. 19-23 p., illus. 



C. Progress report; improvement of fish- 



cultural practices in Oklahoma, by A. 

 D. Aldrich. 25-29 p. 



D. Survey of fish culture in the United 



States, by A. V. Tunison. S. M. Mullin 

 and O. Lloyd Meehean. 31-69 p. 



E. Control of crawfish, by Clay Lyle. 



p. 72. 



F. Urethane (Ethyl carbamate) in some 



fishery procedures, by Shelby D. 

 Gerking. 73-74 p. Contribution no. 

 392, Dept. of Zoology, Indiana Univer- 

 sity. 



G. Fact and fiction in spawntsiking; adden- 



da, by Robert R. Rucker. 75-77 p. 

 H. Use of lime in acid ponds, by Meddle C. 

 Walker, p. 78. 



I. Experimental fish troughs, by S. F. 



Snieszko. 79-81 p., illus. 

 J. Neutralizing chlorine in trout display 



tanks, by E. O. Rodgers. 82-83 p. 



PFC v.U, no. 2, Apr. 1949. 



A. Prophylactic treatment for control of 



fungus (Saprolegnia parasitica ) on 

 salmon eggs, by Roger E. Burrows. 

 97-103 p., illus. 



B. Control of pondweeds with 2, 4-D, by 



J. R. Snow. 105-108 p. 



C. Use of cod-liver oil in the diet of 



hatchery-reared trout, by Arthur M. 

 Phillips, Jr., Donald R. Brockway, 

 and E. O. Rodgers. 109-112 p., illus. 



D. Eradication of emergent aquatic vege- 



tation with 2, 4-D; particular empha- 

 sis upon alligatorweed, by J. H. 

 Cornell. 113-118 p. 



E. Electric seine used in Kentucky, by 



Leonard Joeris. 119-121 p., illus. 



F. Epistylis ; a peritrichous protozoan, 



on hatchery brook trout, by Jacob H. 

 Fischthal. 122-124 p., Ulus. 



G. Progress in reclamation techniques, 



by Hilbert R. Siegler and Harold 

 Pillsbury. 125-129 p., Ulus. 



H. Dietary observations on brown trout 



fingerlings, by Ernest O. Rodgers. 



130-132 p. 

 I. Inexpensive microprojector for scale 



and plankton study, by Leonard 



Joeris. 133-135 p., illus. 

 J. That potato ricer again, by Maurice 



Bryant, Jr. 136-137 p., illus. 



PFC v.U, no. 3, July 1949. 



A. The folic acid requirements of trout; 



brook, brown, and rainbow, receive 

 various levels for study, by Arthur 

 M. Phillips. Jr., Donald R. Brockway 

 and Ernest O. Rodgers. 141-145 p., 

 illus. 



B. Pyridylmercuric acetate; its toxicity 



to fish, efficacy in disease control 

 and applicability to a simplified treat- 

 ment technique, by Roger E. Burrows 

 and David D. Palmer. 147-151 p. 



C. Pyridylmercuric acetate technical; 



its use in control of gill disease and 

 some external parasitic infestations, 

 by S. F. Snieszko. 153-155 p., illus. 



D. Manganese for increased production 



of water-bloom algae in ponds, by 

 Croswell Henderson. 157-159 p., illus. 



E. Prophylaxis of furunculosis in brook 



trout ( Salvelinus fontinalis) by oral 

 immunization and sulfamerazine, by 

 S. F. Snieszko and S. B. Friddle. 161- 

 168 p., illus. 



F. Direct current as aid to the fishery 



worker, by H. J. Rayner. 169-170 p. 



G. Isolation of Saprolegnia and Achlya 



with penicillin-streptomycin, and 

 attempts to infect fish, by Glenn L. 

 Hoffman. 171-174 p. 



H. Recommended methods for fertiliza- 

 tion, transportation, and care of 

 salmon eggs, by Roger E. Burrows. 

 175-177 p. 



I. Analyses of farm ponds in Oklahoma, 

 Texas, and New Mexico, by Charles 

 L. Fuqua. 178-184 p., Ulus. 



J. Improvements in bluegUl sunfish dis- 

 tribution methods, by Fred L. Cox. 

 185-188 p., Ulus. 



K. A drop center raceway, by Ernest O. 

 Rodgers. 189-190 p., illus. 

 PFC v.U, no. 4, Oct. 1949. 



A. An echo sounder for small boats, by 



Charles R. Burrows. 199-201 p., Ulus. 



B. Effects of an aerial application of DDT 



on fish and fish-food organisms in two 

 Pennsylvania watersheds, by C. H. 

 Hoffman, and E. W. Surber. 203-211., 

 iUus. 



C. Survey of problems in fishery admin- 



istration, by Karl F. Lagler. 213-216 p. 



D. Value of the bottom sampler in 



demonstrating the effects of pollution 

 on fishfood organisms and fish in the 

 Shenandoah River, by Croswell 

 Henderson. 217-230 p., Ulus. 



E. Pond record of bass and blueglU pro- 



duction, by Hubert C. Topel. 231-243 

 p., iUus. 



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76 



