INVESTIGATIONS IN MINNESOTA AND NORTH DAKOTA. 351 



greater tlian at the head of the lake. The following is a list of the fishes 

 takeu from Big Stone Lake and its tributaries: 



ANNOTATED LIST OF THE FISHES OF BIG STONE LAKE AND TRIBUTARIES. 



1. Ameiurus nebulosus (Le Sneur). Catfish; Bullhead. Little Minnesota River at 



Browns Valley, 1 large specimen; Big Stone Lake at Ortonville, 5 speci- 

 mens; Big Stone Lake at Creager's farm, 3. 



2. Catostomus teres (Mitchill). White Sucker; Brook Sucker. Little Minnesota 



River at Browns Valley, common; Big Stone Lake at Creager's farm, 25 

 specimens ; Big Stone Lake at Ortonville, 10 ; Little Minnesota River near 

 Indian Agency, 5. At no place were large specimens of this species taken 

 except at Creager's farm, where a large seine was nsed and several speci- 

 mens from 12 to 15 inches long were obtained. 



3. Moxostoma macrolepidotum duquesnei (Le Sueur). Ecdhorse; White Sucker. 



Little Minnesota River at Browns Valley, 2 specimens; Big Stone Lake at 

 Creager's farm, 16; Big Stone Lake at Ortonville, common. The specimens 

 takeu from the river were light in color, with little variation. Those taken 

 from the clearer waters of the lake were steel-blue above, with sides and 

 belly white. 



4. Pimephales notatus (Rafinesque). Minnow. Big Stone Lake at Creager's 



farm, 6 specimens ; Big Stone Lake at Ortonville, 10. Those taken from the 

 latter place were very large, with snouts tubercled. 



5. Notropis deliciosus (Girard). Little Minnesota River at Browns Valley, 2 



specimens ; Big Stone Lake at Ortonville, 4. 



6. Notropis megalops (Rafinesque). Common Shiner. Little Minnesota River at 



Browns Valley, abundant ; Little Minnesota River near Indian agency, 10 

 specimens; Big Stone Lake at Creager's farm, 7; Big Stone Lake at Orton- 

 ville, 9. Those taken from the Little Minnesota River were noticeably 

 lighter in color than those from Lake Traverse Basin. 



7. Notropis atherinoides Rafinesque. Big Stone Lake at Creager's farm, 1 very 



large specimen. Lateral line with 38 scales. Color dark olive, with sides 

 and belly covered with a thick coat of silvery pigment. 



8. Notropis cayuga Meek. Little Minnesota River at Browns Valley, abundant. 



This is a very beautiful little fish, of a light brown or olive color, with dark 

 spots lining the edge of each scale; a dark lateral band about 2 scales in 

 width passes entirely around the blunt snout, not touching the lower lip. 

 This lateral stripe is overlaid with a light coat of silvery pigment; above 

 and bordering this stripe is a distinct narrow line of a lighter color; dorsal 

 line not distinguishable. Back not arched; lower jaw not horizontal, and 

 projecting. 



9. Notropis hudsonius (Dewitt Clinton). Little Minnesota River at Browns Val- 



ley, 4 specimens; Big Stone Lake at Creager's farm, 2 specimens. This fine 

 minnow is known to inhabit a broad area in the valley of the Red River 

 of the North and a limited area in the Minnesota River Valley. The back is 

 slightly elevated, sloping gradually from the snout to the dorsal, the belly is 

 of about the same curvature as the back, so that the lateral line is about the 

 axis of the body; head medium in size, with short blunt snout; lower jaw 

 nearly horizontal, maxillary reaching anterior edge of orbit of large eye ; 

 anterior rays of dorsal above or slightly in advance of first rays of ventral, 

 longest dorsal ray reaching slightly beyond anterior margin of anal; caudal 

 peduncle thick. Color, above a dark olive, with vertebral stripe the entire 

 length of body; sides ornamented with a broad lateral stripe that extends 

 around the snout; sides and belly covered with a satin-like pigment; lateral 



