Series 



PFC V.12, no.4, Oct. 1950. 



A. Construction and use of small trap 



nets, by Walter R. Crowe. 185-192 p., 

 illus. 



B. Present status of fishery management 



in Oklahoma, by Bill Thompson. 

 193-195 p. 



C. Fish-planting tank for 3/4-ton pickup 



truck, by Earl Leitritz. 197-206 p., 

 illus. 



D. Survey of systems used in measuring 



lengths and weights of fishes, and of 

 systems proposed as standard, in the 

 Southwest, by Frank T. Knapp. 

 207-208 p., iUus. 



E. Fish growth rates read directly from 



the projected scale, by Leonard 

 Joeris. 209-210 p., illus. 



F. Distribution units for warm -water 



fish, by Albert J. Wilson. 211-213 p. 



G. The Chipman meat cutter, by Jack R. 



Chipman. 214-215 p., illus. 



H. Quickly changed dip net, by Fred J. 

 Richan. 217-220 p., illus. 



PFC V.13, no.l, Jan. 1951. 



A. Channel catfish culture in Texas; help- 



ful hints regarding propagation pro- 

 cedures, by Marion Toole. 3-10 p., 

 illus. 



B. An impression method for preparing 



fish scales for age and growth analy- 

 sis, by Edgar L. Arnold, Jr. 11-16 p., 

 illus. 



C. Diet experiments with trout, by Louis 



E. Wolf. 17-24 p. 



D. Method for enumeration of salmon and 



trout eggs by displacement, by Roger 

 E. Burrows. 25-30 p., illus. 



E. Raining fish; planting by plane, by 



Earl Leitritz. 31-35 p., illus. 



F. The handling of applications for fish 



in the Fish and Wildlife Service, by 

 Lee M. Duncan. 37-41 p. 



G. Effect of bactericides on steelhead 



trout fry, by R. R. Rucker and W. J. 



Whipple. 43-44 p. 

 H. The transfer of adult shad, by James 



E. Sykes. 45-46 p. 

 I. Metal fish graders, by Frank A. Ben- 



gard. 47-48 p., illiis. 



PFC v.13, no. 2, Apr. 1951. 



A. The effect of retardation of the initial 



feeding on the growth and survival of 

 salmon fingerlings, by David D. 

 Palmer, Harlan E. Johnson, Leslie A. 

 Robinson, and Roger E. Burrows. 

 55-62 p., illus. 



B. Muskellunge yearling culture and its 



application to lake management, by 

 Arthur A. Oehmcke. 63-70 p., illus. 



C. The toxicity of pyridylmercuric acetate 



technical (PMA) to rainbow trout 

 ( Salmo gairdnerii ), by E. O. Rodgers, 

 B. H. Hazen, S. B. Friddle, and S. F. 

 Snieszko. 71-73 p. 



D. Some experiments on the use of 



thiouracil as an aid in holding and 

 transporting fish, by Paul E. Osborn. 

 75-78 p., illus. 



E. An evaluation of methods of egg enum- 



eration, by Roger E. Burrows. 79-85 p. 



F. Snaring through the ice for nongame 



fish in West Virginia, by E. A. Seaman. 

 86-90 p., illus. 



G. Sulfamerazine in the control of 



columnaris in steelhead trout (Salmo 



gairdnerii) , by Harlan E. Johnson. 



91-93 p., illus. 

 H. Experiments with canned fish as food 



for trout, by Louis E. Wolf. 95-97 p. 

 I. A lightweight pulling engine for seines, 



by E. T. Rose. 99-100 p., illus. 

 J. Dual-purpose trout rearing tanks, by 



Maurice Bryant, Jr. 101-102 p., illus. 



PFC v.13, no. 3, July 1951. 



A. Delay of spawning in eastern brook 



trout by means of artificially pro- 

 longed light intervals; an attempt to 

 decrease losses among hold-over 

 stock during normal fall spawning 

 season, by Leonard N. Allison. 

 111-116 p., illus. 



B. Comparison of yeast and penicillin mat 



as supplements to dry-meal diets for 

 brown trout, by Louis E. Wolf 

 117-120 p., 



C. Comparison of fish food costs in fed- 



eral hatcheries in 1945 and 1949, by 

 A. V. Tunison. 121-128 p. 



D. An incident of high mortality among 



large rainbow trout after treatment 

 with pyridylmercuric acetate, by R. 

 F. Foster and P. A. Olson. 129-130 p. 



E. A method of measuring the natural 



food content of rearing ponds, by 

 John Dobie. 131-134 p., illus. 



F. Sulfadiazine for kidney disease, by R. 



R. Rucker, A. F. Bernier, W. J. 

 Whipple and R. E. Burrows. 

 135-137 p. 



G. Notes on a bacterial disease of rain- 



bow trout in a Colorado hatchery, by 



Wayne R. Seaman. 139-141 p. 

 H. Use of a wetting agent to facilitate 



pond reclamation, by Richard H. 



Stroud. 143-145 p. 

 I. Chlorine -removal unit at full-scale 



operating hatchery, by R. W. Sharp. 



146-148 p., illus. 



--Continued on next page-- 



78 



