REPORT OF COMMISSIONER OF FISH AND FISHERIES. [2] 



1 have also iudicated in a general way the geographical distribution 

 of each species by the following signs : 



B. — Bassalian or deep-sea fauna of the Atlantic. 



BC. — Bassalian fauna of the Pacific. 



G. — Arctic (Greenland) fauna. 



N. — Shore fauna of North Atlantic States. 



S. — Shore fauna of South Atlantic and Gulf States. 



W.— West Indian fauna (including Florida Keys). 



P. — Tropical fauna of the Pacific coast (Gulf of California to Ecuador). 



C. — California shore fauna (Cape Flattery to Cerros Island, &c.). 



A. — Alaskan shore fauna. 



Y. — Alaskan fresh-water fauna (Yukon). 



T. — Fresh-water fauna of region west of Sierra Nevada and Cascade Range (Traus- 

 montane). 



R. — Fauna of region between Rocky Mountains and Sierra Nevada. 



V. — Fresh-water fauna of region east of Rocky Mountains (again subdivided into 

 Vn, the northern part of this range ; Vs, the southern ; Vsw, the southwestern, &c.) 



E. — Europe. 



O. — Pelagic species. 



Ana. — Anadromous species. 



Ace. Accidental visitants. 



In this paper I have adopted as the southern boundary of temperate 

 North America the Tropic of Cancer, or a line connecting Key West with 

 Brazos Santiago and Cape San Lucas, instead of the conventional Mex- 

 ican boundary. 



Indiana Unitersity, 



January 1, 1885. 



