Progressive Fish Culturist 



PFC v.ll, no. 4, Oct. 1949. (Continued) 



F. Montana fish -distribution tank, by A. 



G. Stubblefield, Lorin Lefevre and 

 Rex Smart. 245-252 p., illus. 



G. Extended survey of fish culture in the 



United States, by A. V. Tunison, 



S. M. MuUin and O. Lloyd Meehean. 



253-262 p. 

 H. A simple method of mounting scales, 



by William M. Lewis and Kenneth D. 



Carlander. p 263. 

 1. Effect of acid treatment on pH and fish, 



by A. E. Borell. p. 264. 

 J. A quick-change" screen for fish 



hatchery ponds, by Fred V. Carr and 



Leonard N. Allison. 265-266 p., illus. 



PFC V.12, no.l, Jan. 1950. 



A. Fish populations in some Iowa farm 



ponds; a survey based upon two 

 methods of population analysis, by 

 Floyd R. Fessler. 3-11 p. 



B. Propagation of fresh-water mussels, 



by Richard O. Jones. 13-25 p., illus. 



C. Comparison of the number of 



erythrocytes in the blood of hatchery- 

 reared and wild silver salmon finger- 

 lings, by Majc Katz and L. R. Donald- 

 son. 27-28 p. 



D. Percentage returns of marked trout in 



two West Virginia streams, by E. A. 

 Seaman and R. F. Stephens. 29-31 p. 



E. Bass production in a Kentucky fish 



hatchery pond, by Minor Clark. 33-34 

 p., illus. 



F. Black bass in Maryland, by Talbott 



Denmead. 35-37 p., illus. 



G. An application of electricity to collec- 



tion of fish, by Robert W. Morris. 

 39-42 p., illus. Technical paper no. 



583, Oregon Agricultural Experiment 



Station. 

 H. Natural siphon egg picker, by A. B. 



Smith, p. 44. 

 L Carbon black on East Lake; Deschutes 



Nat'l Forest, Oregon, by Robert L. 



Borovicka. p. 45, illus. 



PFC v.12, no .2, Apr. 1950. 



A. Ten years of fishery activities under 



the Fish and Wildlife Service, by 

 Albert M. Day. 57-62 p. 



B. Bacteriological findings in the study 



of an outbreak of ulcer disease among 

 brook trout yearlings of the Westfield, 

 Wisconsin, hatchery, by Kenneth G. 

 Flakas. 63-66 p., illus. 



C. Biotin and brown trout; the tale of a 



vitamin, by Arthur M. Phillips, Jr., 



Donald R. Brockway, and Ernest O. 

 Rodgers. 67-71 p. 



D. The helicopter in fish-planting opera- 



tions in Olympic National Park, by 

 Lewis R. Garlick. 72-76 p., illus. 



E. Fishery research program at Cornell 



University, by Dwight A. Webster. 

 77-80 p. 



F. Sterilization of a trout hatchery pond 



with chlorine, by Robert E. Cleary 

 and Lloyd P. Bailey. 81-84 p., illus. 



G. Cutthroat trout without dorsal fins, by 

 Mark R. Code. 85-86 p., illus. 



H. A bacterial disease found in the black 

 crappie; Poxomis nigro-maculatus, by 

 Kenneth G. Flakas. 87-88 p. 



I. An expansion raceway gate, by Tom E. 

 Carlon. 89-90 p., illus. 



J. A graphic record for hatcheries rear- 

 ing artificially fed fish, by Maurice 

 Bryant, Jr. 91-93 p., iUus. 



K. A selected bibliography on farm ponds 

 and closely related subjects, by Vin- 

 cent Schultz. 97-104 p. 



PFC v.12, no. 3, July 1950. 



A. Fish management in the multiple-use 



management of the national forests, 

 by Lloyd W. Swift and Merle A. Gee. 

 113-126 p., illus. 



B. Metabolic products and their effects, 



by Donald R. Brockway. 127-129 p. 



C. Recent developments in the electric 



method of collecting fish, by David 

 C. Haskell. 131-134 p. 



D. Biological effects of nigrosine used 



for control of weeds in hatchery ponds, 

 by Eugene W. Surber and Max H. 

 Everhart. 135-140 p., illus. 



E. Toxicity of some new insecticides to 



several species of pondfish, by J. M. 

 Lawrence. 141-146 p. 



F. Summary of farm -pond inspections, 



1949, by Robert W. Sharp. 147-150 p ., 

 illus. 



G. Rainbow brood-stock selection and 



observations on its application to 



fishery management, by Cliff Millen- 



bach. 151-152 p. 

 H. A method of transporting fingerline 



shad, by James E. Sykes. 153-159 p. 

 I. Perforated aluminum screens for 



circular pools, by Robert F. Stephens 



and William Evans. 161-162 p., illus. 

 J. Condition factor alinement charts, by 



Charles K. Phenicie and Clinton G. 



Bishop. 163-168 p. 

 K. Diet experiments on Atlantic salmon 



in Maine, by George A. Rounsefell, 



Lyndon H. Bond and George K. White. 



169-172 p. 



77 



