Series 



*Doc 983. Mild curing of salmon in California, 

 by W. L. Scofield. 192 5. 1-14 p. Appendix 1 

 to the Report of the U. S. Commissioner of 

 Fisheries for 1925. 



*Doc 984. Growth and age at maturity of the 



Pacific razor clam, Siliqua patula (Dixon), 

 by F. W. Weymouth, H. C. McMiUin and 

 H. B. Holmes. 1925. 201-236 p., illus. 

 From Bulletin of the Bureau of Fisheries. 

 V.41. 1925. 



*Doc 985. Fishes of the Republic of El Salvador. 

 Central America, by Samuel F. Hildebrand. 

 1925. 237-287 p, illus. From Bulletin of the 

 Bureau of Fisheries, v. 41, 1925. 



*Doc. 986. Fur-seal industry of the Commander 

 Islands, 1897 to 1922, by Leonhard Stej- 

 neger. 1925. 289-332 p., illus. From Bul- 

 letin of the Bureau of Fisheries. v.41. 

 1925. 



*Doc 987. Schizamoeba salmonis, a new ameba 



parasitic in salmonid fishes, by H, S. Davis. 

 1925. 1-8 p., illus. From Bulletin of the 

 Bureau of Fisheries, v.42, 1926. 



*Doc 988. Octomitus salmonis 



a parasitic 

 S. Davis. 1925. 



flagellate of trout, by H. 



9-26 p., illus. From Bulletin of the Bureau 



of Fisheries, v.42, 1926. 



*Doc 989. Pearl essence; its history, chemistry 

 and technology, by Harden F. Taylor. 1925. 

 15-36 p., illus. Appendix 2 to the Report of 

 the U. S. Commissioner of Fisheries for 

 1925. 



*Doc 990. Progress in biological inquiries; 



July 1 to December 31. 1924, by Willis H. 

 Rich. 1925. 37-64 p. Appendix 3 to the 

 Report of the U. S. Com.missioner of 

 Fisheries for 1925. 



'''Doc 991. Second experiment in tagging salmon 

 in the Alaska peninsula fisheries reserva- 

 tion, summer of 1923, by Charles H. Gilbert 

 and Willis H. Rich. 1925. 27-75 p., Illus. 

 From Bulletin of the Bureau of Fisheries. 

 v.42, 1926. 



*Doc 992. Alaska fishery and fur-seal Indus- 

 tries in 1924, by Ward T. Bower. 1925. 

 65-169 p., illus. Appendix 4 to the Report 

 of the U. S. Commissioner of Fisheries 

 for 1925. 



*Doc 993. Distinguishing characters of two 

 species of red snappers of the Atlantic 

 coast of North America, by Samuel F. 

 HUdebrand and Isaac Ginsburg. 1925. 

 77-85 p.. illus. From Bulletin of the Bu- 

 reau of Fisheries, v.42, 192 6. 



*Doc 994. Crayfishes of the genus Cambarus in 

 Nebraska and eastern Colorado, by Earl 

 Theron Engle. 1925. 87-104 p. From Bul- 

 letin of the Bureau of Fisheries, v.42, 192 6. 



'''Doc 995. Effect of oU pollution on marine and 



wild life, by F. W. Lane, A. D. Bauer, H. F. 

 Fisher and P. N. Harding. 1925. 171- 

 181 p. Appendix 5 to the Report of the U. S. 

 Commissioner of Fisheries for 1925. 



•"Doc 996. Wholesale trade in fresh and frozen 

 fishery products and related marketing 

 considerations in New York City, by R. H. 

 Fiedler and J. H. Matthews. 1926. 183- 

 217 p., Ulus. Appendix 6 to the Report of 

 the U. S. Commissioner of Fisheries for 

 1925. 



-Doc 997. Fishery industries of the United 

 States, 1924, by Oscar E. Sette. 1926. 

 219-408 p. Appendix 7 to the Report of 

 the U. S. Commissioner of Fisheries for 

 1925. 



*Doc 998. Further experiments on the preser- 

 vation of fish nets, by Harden F. Taylor 

 and Arthur W. Wells. 192 6. 409-437 p., 

 illus. Appendix 8 to the Report of the U. S. 

 Commissioner of Fisheries for 1925. 



*Doc 999. Propagation and distribution of food 

 fishes; fiscal year 1925, by Glen C. Leach. 

 1926. 439-500 p., Illus. Appendix 9 to the 

 Report of the U. S. Commissioner of 

 Fisheries for 1925. 



*Doc 1000. Nutritive value of fish and shellfish. 

 1926. 501-552 p.. Appendix 10 to the Report 

 of the U. S. Commissioner of Fisheries for 

 1925. 



*Doc 1001. Fishing Industry of the Great Lakes, 

 by Walter Koelz. 1926. 553-617 p.. Ulus. 

 Appendix 11 to the Report of the U. S. 

 Commissioner of Fisheries for 1925. 



""Doc 1002. Annual report of the Commissioner 

 of Fisheries to the Secretary of Commerce 

 for the fiscal year ended June 30. 1926. 

 1926. 46 p. 



*Doc 1003. Progress in biological inquiries 



1925, by Willis H. Rich. 1926. 1-36 p. Ap- 

 pendix 1 to the Report of the U. S. Com- 

 missioner of Fisheries for 192 6. 



*Doc 1004. New genus of darter from western 

 North Carolina, by R. E. Coker. 192 6. 

 105-108 p. From Bulletin of the Bureau 

 of Fisheries, v.42, 1926. 



'Ttoc 1005. Salmon- tagging experiments in 



Alaska, 1924 and 1925. by Willis H. Rich. 



1926. 109-146 p., map. From Bulletin of 

 the Bureau of Fisheries, v.42. 1926. 



34 



