lOlid. Biological survey of uppex' J.Ussissippi Ilivur with spuciul 

 roforunce to pollution. By A. H. V/iebo. Bullutiii of 

 the United States Dui'oau of 1' i;jhoriot:, Dopurtmont of 

 Coiiuuerca, 1927 (1929), vol. :ajll, part II, pp. 53, 1 illus, 



1029. Proerass in biological inquiries, 1926, includine proceedings 



of divisional conference, Jan. 4 to 7, 1927. By :j:L:iQr 



Higeins, Appendix 7 to Report of the Unitod States Commissioner 



of i'isheries for 1927 (1928), pp. 167, 18 llluci. 



1030. Quantitative study of changes produced by acclimatization in 



tolerance of hifr^i temperatures by fishes and airiphibians. 

 By Edward S, Hathaway. Bulletin of the United States Bureau 

 of Fisheries, Department of Coinmerce, 1927 (1929) part II, 

 vol. XLIII, pp. 26, 9 illus. 



1031. Nature and extent of fouling of ships' bottoms. By J. Paul 



Visscher. Bulletin of the Unitod States Bureau of Fisheries, 

 Department of Commerce, 1927 (1929), pai-t II, vol, ^'IIII, 

 pp. 62, 40 illus. 



1032. Production and distribution of cod eggs in Massachusetts Bay 



in 1924 and 1925. By Charles J„ Fish. Bulletin of the 

 United States Bureau of Fisheries, Department of Commerce, 



1927 (1929), part II, vol. XLIII, pp. 46, 16 illus. 



1033. Propagation and distribution of food fishes, 1927. By Glen C. 



Leach. Appendix 8 to Report of the United States Commissioner 

 of Fisheries for 1927 (1928), pp. 56, 5 illus. 



1034. Statistics of catch of cod off east coast of North America to 



1926. By Oscar IZ. Sette, Appendix 9 to Report of the United 

 States Commissioner of Fisheries for 1927 (1923)., pp. 14, 1 illus, 



1035. Experimental study of function of oyster gills and its bearing 



on pi'Oblems of oyster culture and sanitary- control of oyster 

 industry. By Paul 3. Galtsoff. Bulletin of the United States 

 Bureau of Fisheries, Department of Commerce, 1928 (1929), 

 vol. XLIV, 41 pp, 13 illus. 



1036. Trade in fresh and frozen fishery products and related marketing 



considerations in Jacksonville, Fla. By R. H. Fiedler. 

 Appendix 1 to Report of the Commissioner of Fisheries for 



1928 (1929), part I, pp. 28, 2 illus. 



1037. Food of bullheads. By Louella E. Cable. Appendix 2 to Report 



of the United States Cortimissioner of Fisheries for 1928 (1929), 

 part II, pp. 17, 2 illus. 



96 



