Administrative Reports . 1931-1940. Included some of the annual reports 

 of the Commissioner of Fisheries and annual issues of four appendixes 

 to the Commissioner's Report: Alaska Fishery and Fur-Seal Industries, 

 Fishery Industries of the United States, Progress in Biological Inquiries, 

 and Propagation and Distribution of Food Fishes. The first 20 of these 

 reports were originally issued without series designation. The Admin- 

 istrative Reports were distributed to depository libraries. 



Circulars. 1941- . Popular and semitechnical publications of general 

 and regional interest intended to aid conservation and management. 

 Succeeded the Fishery Circular series and a former wildlife circular 

 series. Circulars are usually distributed to depository libraries. 



Conservation Bulletins . 1940- . A Department of the Interior series 

 of popular informational or advisory booklets adapted to the interests 

 of the people of the different sections of the country, with contributions 

 from the Fish and Wildlife Service and other bureaus of the Department. 

 Conservation Bulletins are distributed to depository libraries. 



Current Fishery Statistics. 1941- . Data on fisheries of various 



regions of the United States and Alaska. Duplicated leaflets. 



Documents. 1881-1930. This series contained most of the formal publi- 

 cations of the Bureau of Fisheries up to 1930, when assignment of a 

 document number to every publication was discontinued; thereafter the 

 Bureau publications were assigned numbers in various separate series. 

 Earlier numbers in the Document series are indexed in Document 899. 



Economic Circulars . 1912-1931. Brief advance reports on economic 

 subjects, and information of interest to special industries or localities. 

 Succeeded by Fishery Circular series. Economic Circulars were distrib- 

 uted to depository libraries. Economic Circulars Nos. 1-47 were issued 

 before 1920; No. 20 and No. 42 were revised after 1920 and so are 

 included in this list. 



Fishery Bulletins. 1931- . Separates from the Fishery Bulletin of the 

 Fish and Wildlife Service- -technical reports of scientific investigations 

 of fishery biology. The Bulletin of the United States Fish Commission 

 was begun in 1881; it became the Bulletin of the Bureau of Fisheries in 

 1904 and the Fishery Bulletin ofithe Fish and Wildlife Service in 1941. 

 Paging is serially by volumes. Through volume 46, separates were 

 issued as Documents, each with a Document number; beginning with 

 volume 47, each separate was issued as a numbered Bulletin. Fishery 

 Bulletins are distributed to depository libraries. 



VI 



