30. The early life histories of somo American Panaeidaa, chiefly 

 tho coDiinercial shrimp, Penaeus setiferus (Linn.). By John 

 C, Pearson. Bulletin of the Bureau of Fisheries, Depart- 

 ment of Commerce, vol. XLIX, pp. 1-73, 67 figs., 1939 (1950), 



31« Natural history end method of controlling the starfish ( Asterlas 

 forbesi, Desor). By Paul S, Galtsoff and Victor L. Loosanoff. 

 Bulletin of the Bureau of Fisheries, Department of the " 

 Interior, vol. XLIX, pp. 75-132, 32 figs., 1939 (1950). 



32. History and development of the fisheries of the Columbia River. 



By Joseph A. Craig and Robert L. Hacker. Bulletin of the 

 Bureau of Fisheries, Department of the Interior, vol. XLIX, 

 pp. 133-216, 15 figs., 1940(1950). 



33. Spawning and setting of oysters in Long Island Sound in 1937, 



and discussion of the laethod for predicting thj intensity 

 and time of oyster setting. By Victor L» Loossuaoff and 

 James B. Engle. Bulletin of the Bureau of Fisheries, Depart- 

 ment, vol. XLIX, pp. 217-255, 10 figs., 1940(1950). 



34. Water conditions affecting aquatic life in Elephant Butte 



reservoir. By M. M. Ellis. Bulletin of the Bureau of 

 Fisheries, Department of the Interior, vol, XLIX, pp. 257-304, 

 '22 figs., 1940(1950). 



NOTE: — FISU"_1{Y BULLLTIN 35 was issued as a publication of the 

 Fish and \7ildlife Service, Department of the Interior, fol- 

 lowing the consolidation of the Bureau of Fisheries and tlie 

 Biological Survey in I9U0. 



117 



