1096, Progress in bloloel'- _ , .j'd9. By Elmer Hicglns. 



Appendix 15 to Report of the United States Commissioner 

 of FisheriiiS for 1930 (1931), 55 pp., 11 illus. 



1097, Blood of North American fresh-wator mussels under normal 



and adverse conditions. By M, M. Ellis, Amanda D. Merrick, 

 and I'.arion D. Ellis, Bulletin of the United States Bureau 

 of Fisheries, Department of Commerce, 1930 (1931), vol, XLVI, 

 36 pp., 14 illus. 



1098, Propagation and distribution of food fishes, 1930. By Glen C. 



Leach, Appendix to Report of the United States Commissioner 

 of Fisheries for 1930 (1931), 71 pp., 5 illus. 



1099, Relative growth and mortality of Pacific razor clam ( Siliqua 



pat ula , Dixon) and their bearing on commercial fishery. By 

 F. Vf. V.'eymouth and E. C. McMillin, Bulletin of the United 

 States Bureau of Fisheries, Department of Commerce, 1930 

 (1931), vol, XLVI, 27 pp., 11 illus. 



1100, Natural history of bay scallop. By James S. Outsell, Bulletin 



of the United States Bureau of Fisheries, Department of Com- 

 merce, 1930 (1931), vol. :{LVI, 66 pp., 32 illus. 



1101, The age and growth of the Pacific cockle ( Cardium corbls , liartyn) • 



By F. \I. V/eymouth and Seton H, Thompson, Bulletin of the 

 United States Bureau of Fisheries, Department of Commerce, 

 1930 (1931), vol. XLVI, 11 pp,, 7 illus. 



1102, Statistical review of the Alaska salmon fisheries. Part 2, 



Chignik to Resurrection Bay. By V/illis H. Rich and 

 Edward M. Ball, Bulletin of the United States Bureau of 

 Fisheries, Depai-tment of Commerce, 1930 (1931), vol, XLVI, 

 72 pp., 11 illus, 



1103, Annual growth of fresh-water mussels by Thomas K, Chamberlain. 



Bulletin of the United States Bureau of Fisheries, Depart- 

 ment of Commerce, 1930 (1931), vol. :{LVI, 29 pp., 18 illus. 



I 



Biological survey of waters of Woods Hole, Mass., and vicinity. 

 Sec, 1, Physical and zoological. By Francis B. Sumner, 

 Raymond C. Osbum, and Leon J. Cole, Sec, 2, Botanical. 

 By Bradley M. Davis, Bulletin of the Bureau of Fisheries, 

 Department of Commerce and Labor, 1911 (1913), part I, vol, XXI, 

 544 pp., 274 illus. 



Biological survey of waters of Woods Hole, Mass., and vicinity. 



Sec, 3: Catalogue of marine fauna. By Francis B. Sumner, Raymond C, 

 Osbum, and Leon J, Cole, Sec, 4: Catalogue of the marine flora. 

 By Bradley M, Davis, Bulletin of the Bureau of Fisheries, Depart- 

 ment of Commerce and Labor, 1911 (1913), part I, vol, xn, 31B pp. 



102 



