PLANKTON - Continued 



PIERCE, EMORY LOWE, JR„ A comparative study of the plankton and 

 chemistry of the water of four aquatic habitats at Welaka, Florida „ 

 PhD, OniVo of Florida, 19lp- > 



PIERSON.. EDGAR F> Plankton development in Lake Macbride, PhD, 

 Iowa, 193 9 o 



SCHEFFER, VICTOR B The plankton of Lake Washington. PhD, Univ. 



of Washington, 1937 ° 



SERFLING, ROBERT E„ Quantitative estimation of plankton from 

 small samples of Sedgewick-Rafter-cell mounts of concentrate samples. 

 PhD, OhiVo of Michigan, 19U8-, 



MARINE FISHERIES 



(See also ECOLOGY, Perimutter j LIFE HISTORY STUDIES , Kask, Tiller, 



Van Cleve) 



HEIGER, ROBERT F„ Aboriginal whaling in the Old and New worlds.. 

 PhD s , California, 19U1- 



MERRIMAN, DANIEL „ Roc c us saxatilis of the Atlantic coast, PhD, 

 Yale Univ.. 1939 - 



TESTER, ALBERT L» The herring of British Columbia, PhD, Univ. 

 of Toronto, 1936. 



WALFORD, LIONEL A, The distribution and dispersal of pelagic 

 stages of the American haddock, PhD, Harvard Univ., 193?« 



TECHNIQUES - STUDY AN D HATCHERY 



BECKMAN, WILLIAM CURTIS. The time of annulus formation on the 

 scales of certain Michigan game fishes, PhD, University of Michigan, 

 19l|l. 



EVERHART, WATSON H. A critical study of the scale method in 

 back-calculating lengths of the smalimouth bass, Micropterus dolomieu 

 Lacepede, PhD, Cornell, I9U8, 



GEE, LYNN LAMARR. The disinfection of trout eggs contaminated 

 with Bacterium s almonicida <, PhD, Wisconsin, 19Ul„ 



LAWRENCE, WILLIAM MASON. The effect of feeding madder root to 

 rainbow trout and its practical application for marking fish, PhD, 

 Cornell, 19Ul» 



27 



