Series 



*PFC 47, Nov. -Dec. 1939. (ConUnued) 



D. Experiments with forage minnows in 



bass ponds, by Eugene W. Surber and 

 George E. Klak. 31-37 p. 



E. General management suggestions for 



lakes surveyed in 1937 in the several 

 national forests of Michigan, by R. W. 

 Eschmeyer. 38-45 p., illus. 



F. Some experiments on the use of fresh 



beef blood as a substitute for beef 

 liver in the diet of young chinook 

 salmon, ( Oncorhynchus tschawytscha) , 

 by L. R. Donaldson and Fred J. 

 Foster. 46-49 p. 



G. Preliminary results of an experiment 



on the inclusion of apple flour in 

 foods fed to young salmonoids, by 

 Fred J. Foster, John Pelnar, and 

 William Hagen, Jr. 49-51 p. 



H. The reactions of silver salmon Oncor - 

 hynchus kistuch , to a 190 foot fall, by 

 Richard T. Smith. 51-52 p. 



I. Effect of temperature changes on young 

 trout, by William Hagen, Jr. 52-53 p. 



J. Naturalistic raceways, by Robert Fort- 

 ney. 53-54 p. 



*PFC 48, Jan. -Feb. 1940. 



A. Formalin for external protozoan para- 



sites; a report on the prevention and 

 control of Costia necatrix, by Fred- 

 eric F. Fish. 1-10 p., illus. 



B. Meatless diets and anemia; the devel- 



opment of anemia in trout fed a 

 synthetic diet and its cure by the feed- 

 ing of fresh beef liver, by Arthur M. 

 PhilUps. Jr. 11-13 p. 



C. Salmon culture in Japan; the Chitose 



Salmon Hatchery, by M. Watanabe. 

 14-18 p., illus. 



D. Sterilizing hatchery water supplies; 



the use of liquid chlorine and powder- 

 ed derris root, by William Hagen, Jr. 

 19-24 p., illus. 



E. Do muskellunge and pickerel inter- 



breed? Successful hybridizing in 

 hatchery suggests they do, by Samuel 

 Eddy. 25-27 p. 



F. Frozen fish in hatchery diets may be 



dangerous, by James S. Gutsell. 

 28-32 p. 

 ■PFC 49, Mar. -Apr. 1940. 



A. Lost: 10,839 fingerling trout'. An ap- 



praisal of the results of planting 

 fingerling trout in St. Mary River, 

 Virginia, by Eugene W. Surber. 

 1-13 p., illus. 



B. After the hatchery - what? A sports 



writer poses a question for fish 

 -culturists, by Roy Wall. p. 26. Re- 

 printed from Our Woods and Streams, 

 Wichita, Kans., Beacon, Oct. 1, 1939. 



C. Hatchery diets and growth; experimen- 



tal studies of the growth of brook 

 trout, by C. McCay and the staff of the 

 Cortland Hatchery, Cortland, New 

 York. 27-30 p. 



D. Formalin treatments pass new tests; 



additional notes on the control of 

 ectoparasitic protozoa, by Frederic 

 F. Fish. 31-32 p. 



E. Stunning fish by electricity; electric 



shock provides method of anesthetiz- 

 ing fish in laboratory, by David C 

 Haskell. 33-34 p. 



F. The value of disinfection in ulcer dis- 



ease; sterilizing ponds with chlorine 

 prevents recurrence, by Louis E. 

 Wolf. 35-36 p. 



G. Planting fish by boat, by Robert Fort- 



ney. 37-38 p.. illus. 



*PFC 50, May-June 1940. 



A. Laying the foundations of fishery man- 



agement; a review of the aquicultural 

 investigations of the Bureau of Fish- 

 eries, by H. S. Davis. 1-13 p., illus. 



B. Turtles; friends or foes of fish cul- 



ture? By Karl F. Lagler. 14-18 p.. 

 illus. 



C. The feeding of trout brood stock; the 



diet of rainbow trout in relation to 

 quantity, quality, and cost of eggs, by 

 James S. Gutsell. 19-28 p., illus. 



D. The protein requirement of trout, by 



A. V. Tunison. 29-32 p. 



E. A treatment for tapeworms in trout, 



by Donald L. McKeman. 33-35 p. 

 *PFC 51, July-Oct. 1940. 



A. The Lake of the Ozarks; a problem in 



fishery management, by Albert E. 

 Weyer. 1-10 p., illus. 



B. Suiting the diet to the hatchery; the 



tolerance of one strain of rainbow 

 trout to some foods, by William 

 Hagen, Jr. 11-15 p., illus. 



C. Feeding carbohydrates; a study of the 



digestion and absorption of carbohy- 

 drates by book trout, by Arthur M. 

 Phillips, Jr. 16-23 p. 



D. The control of Octomitus. Calomel in 



the diet of hatchery salmon, by Rich- 

 ard T. Smith and Elmer Quistorff. 

 Calomel versus carbarsone, by Fred- 

 eric F. Fish and Donald L. McKernan. 

 24-29 p. 



E. Planting fish in lakes, by H. John 



Rayner. 33-34 p., illus. 

 *PFC 52, Nov. -Dec. 1940. 



A. Building new salmon runs; Puget 



Sound sockeye salmon plantings show 

 varying degrees of success, by Loyd 

 A. Royal and Allyn Seymour. 1-7 p., 

 illus. 



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72 



