486 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
29. Coregonus willianisoni Girard. Eockij Mountain Whitefish. The only reference to this species 
■which we have seen, applying to this basin, is that of Cope, 1871, who had specimens in 
the Hayden collections, probably from Green Kiver, near Fort Bridger. Numerous young 
individuals were taken by us at Green Elver, Wyoming, where it is a common fish, attaining 
considerable size and being of value as a food-fish. 
30. Cyprinodon macularius Baird & Girard. The types of this species were collected by John H. 
Clark in the Eio Gila anil described by Baird & Girard in 1853 (c). In the Mexican Boundary 
Survey Girard credits the same specimens to the Eio San Pedro of the Gila. Only the types 
are known. 
31. Heterandria occidentalis Baird & Girard. 
Nominal species. 
Locality. 
Collector. 
Authority. 
Heterandria occidentalis 
Kio Santa Cruz 
do 
.John H. Clark 
Baird & Girard, 185.1 c. 
Girard, 1859 a. 
Girard, 1859 6. 
Cope & Yarrow, 1876. 
Do 
C Dr. Heermaini ( 
\ Arthur Schott 5 
H. W. Heushaw 
Girard iu us sonoriensis 
Canix^ Lowell, Ariz 
32. Cottus bail'd! punctulatus (Gill). Blob ; “ BuEhead.” 
Nominal species. 
Locality. 
Collector. 
Authority. 
Uranidea punotulata 
Heaihvaters of Green Eiver 
Hayden collections 
Cope, 1871. 
Potamocottus puuctulatus. . . 
Between Bridger Pass and Port 
Bridger. 
Gill, 1876. 
Cope, 1876. 
Jordan, 1883. 
Cottus bairdi punctulatus. . . 
Ea^ile Itiver, Gyii.sum, Colo 
Everraann & Davis 
Do 
Eoiiriug Fork, Glenwood Springs, 
Colo. 
Jordan, Everiuaun, Eesler 
& Davis. 
Do. 
Do 
Do. 
Do 
Do. 
Do 
do 
Do. 
Do 
do 
Do. 
Do 
Eio de las .Vuluias Perdidas, 
Dnrango, Colo. 
do 
Do. 
Do 
Green Eiver, Green Eiver, Wyo.. 
Evermann & Eutter 
Evermann 6c Eutter, 
1895. 
The blob was ipiite abundant at Green Eiver, but most of the individuals secured were young. 
They were found in greatest numbers in some small isolated ponds or jiools on the river bank. 
