915. Ecolocical study of a'^uatic midges and soma related insects 



with special reference to f coding habits. By Adelbert L, 

 Leathers. Bulletin of the United States Bureau of Fisheries, 

 Doparttrent of Coimerce, 1921-22 (1925), vol, X/ZXVIII, 

 63 pp., 54 illus. 



916. Experiments in the culture of fresh-water mussels. By Arthur 



Day Howard. Bulletin of the United States Bureau of Fisheries, 

 Department of Commerce, 1921-22 (1923), vol, XXXVIII, 29 pp., 10 illus, 



917. Further notes on the natural history and artificial propaga- 



tion of the diamond-back terrapin. By R, L. Barney. Bulletin 

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

 merce, 1921-22 (1923), vol, XXXVIII, 23 pp., 9 illus. 



918. Motes on habits and development of eggs and larvae of the 



silversides Menidia menidia and Menidla beryllina . By Samuel 



F, Hildobrand. Bulletin of the United States Bureau of Fisheries, 



Department of Commerce, vol, XXXVIII, 1921-22 (1923), 10 pp,, 3 illus,' 



919. Principles involved in the preservation of fish by salt. By 



Harden F. Taylor. Appendix 2 to Report of the United States 

 Commissioner of Fisheries for 1922 (1923), 24 pp, 



920. Shellfish resources of the northwest coast of the United States. 



By Charles H. Edmondson. Appendix 3 to Report of the United 

 States Commissioner of Fisheries for 1922 (1923), 23 pp., 11 illus, 



921. Deductions concerning the air bladder and the specific gravity 



of fishes. By Harden F, Taylor. Bulletin of the United States 

 Bureau of Fisheries, Department of Commerce, 1921-22 (1923), 

 vol, XXXVIII, 8 pp, 



922. Biology and economic value of the sea mussel Kytilus edulis . 



By Irving A. Field. Bulletin of the United States Bureau 

 of Fisheries, Department of Commerce, 1921-22 (1923), 

 vol. XXXVIII, 133 pp., 80 illus. 



923. Use of fishes for control of mosquitoes in northern fresh waters 



of the United States. By J, Percy Moore. Appendix 4 to Report 

 of the United States Commissioner of Fisheries for 1922 (1923), 

 62 pp. , 7 illus, 



924. A new bacterial disease of fresh-water fishes. By H. S. Davis, 



Bulletin of the United States Bureau of Fisheries, Department 

 of Commerce, 1921-22 (1923), vol. XXXVIII, 22 pp., 7 illus, 



925. Spiny lobster, Panulirus argus , of southern Florida: its natural 



history and utilization. By D. R. Crawford and W. J. J. 

 DeSmidt, Bulletin of the United States Bureau of Fisheries, 

 Department of Commerce, 1921-22 (1923), vol, XXXVIII, 32 pp., 

 11 illus. 



86 



