372 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 
25. Hiodon alosoides (Rafinesque). Moon-eye. Red River of the North at Moor- 
head and Grand Forks, rare; Red Lake River at Crookston, rare. This 
species is not so common as H, tergisus. 
26. Percopsis guttatus Agassiz. Trout Perch. Otter Tail River at Breckenridge, 
PATI 
28. 
29. 
30. 
3l. 
32. 
1 specimen; Red River of the North at Moorhead, common; Cheyenne River 
at Lisbon, 2; Cheyenne River at Valley City, abundant; Goose River at 
Hillsboro, common; Pembina River at Neche, 4; Red Lake River at Crooks- 
ton, common. Eight specimens of this species from Cheyenne River, Valley 
City, measure as follows: 
Length. Depth. | Eye. | Lat. line.| Dorsal. | Anal. 
| Head. if 
| 
Mim. | Min. Mm. Mm. | 
BB. bias 15 5 50 10 6 
75 Days eer ay Ih or 52 11 6 
73 25) abaya 5 51 11 7 
73 93, Ne eats 5 50 10 6 
7S) awl meus 15 5 53 11 6 
76 23 14 5 51 11 7 
73 DDS Ihe 1 GVA 5 52 11 7 
73 | OPEN Nig hile 5 52 1 6 
% | 
The fishes from this stream were in fine color. Light olive on back, 
shading to lighter on sides, and nearly pure white on the belly; back mottled, 
with mingled light and dark scales; cheeks and opercles shaded with very 
small dark dots; dorsal and anal sparingly clotted with black. 
Fundulus diaphanus (Le Sueur). Cheyenne River at Valley City, 2 very 
small specimens. | 
Lucius lucius (Linnzus). Pickerel; Pike. Otter Tail River at Breckenridge, 
4 specimens; Cheyenne River at Valley City, common; Goose River at Hills- 
boro, common; Mouse River at Minot, 3; Park River at Grafton, abundant. 
Preeminently the food and game fish of this section of country. . Reported 
abundant at nearly every station visited, though few were taken with the 
seine in some localities. 
Eucalia inconstans (Kirtland). Brook Stickleback. Maple River at Mapleton, 
common; Mouse River at Minot, rare; Goose River at Hillsboro, 6 speci- 
mens; Red River of the North at Grand Forks, 1; English Cooley at Grand 
Forks, rare; Forest River at Minot, common; Red Lake River at Crookston, 
2. A widely distributed species, quite-as common north as south of the 
divide. 
Ambloplites rupestris (Rafinesque). Rock Bass; Goggle-eye. Cheyenne River 
at Valley City, rare; Maple River at Mapleton, common; Red Lake River 
at Crookston, 5 specimens. Not rare nor confined to a limited area, but 
apparently grows more and more scarce as we proceed north. This is the 
only member of the Centrarchide found in these waters. 
Etheostoma nigrum Rafinesque. Johnny Darter. Otter Tail River at Brecken- 
ridge, 2 specimens; Cheyenne River at Lisbon, 4; Cheyenne River at Valley 
City, 70; Maple River at Mapleton, common; Buffalo River at Hawley, 25; 
Goose River at Hillsboro, common; Mouse River at Minot, rare; Red Lake 
River at Crookston, not abundant. More specimens of this darter were 
taken than any other,and while it may not be more widely distributed than 
E. aspro, the latter is not so abundant in this region. 
Etheostoma aspro (Cope & Jordan). Black-sided Darter. Otter Tail River at 
Breckenridge, 6 specimens; Red River of the North at Moorhead, rare; 
Cheyenne River at Lisbon, abundant; Cheyenne River at Valley City, 
abundant; Maple River at Mapleton, rare; Buffalo River at Hawley, 12 
Goose River at Hillsboro, common; Mouse River at Minot, 4; Pembina River 
at Neche, rare; Forest River at Minot, 27; Park River at Grafton, 2; Red 
Lake River at Crookston, rare. At Minot we obtained 4 very large specimens 
