178 
Buro Woopnovst!, Grd., 
SIREDON LICHENOIDES, 
AMBLYSTOMA LURIDUM, Baird, 
PERCOIDS. 
STIZOSTEDION BOREUS, Girard, 
SCIAENOIDS. 
HAPLOIDONOTUS GRUNNIENS, Raf., 
GASTERASTEOIDS. 
APELTES INCONSTANS, Gill., 
CYPRINOIDS. 
PIMEPHALES FASCIATUs, Girard, 
HyYBoGNATHUS ARGYRITES, Girard, 
Hysoenatuus Evansi, Girard, 
RuInicnutuys puucis, Gill, 
PiLatyGosio (Pogonicutiys, Girard) communis, Gill, 
Gosio GELIDUS, Girard, 
LEUCOSsOMUS DiSsiMILIs, Girard, 
LEUCOSOMUS MACROCEPHALUS, Girard, 
Nocomis NEBRASCENSIS, Girard, 
SEMOTILUS SPECIOSUS, Girard, 
PiAreyrus Bowmanl, Girard, 
CATASTOMOIDS. 
Catastomus Suckiu, Girard, 
Acomus Lactarius, Girard, 
ACOMUS GRISENS, Girard, 
Prycuostomus Haypent, Girard, 
CARPIODES DAMALIS, Girard, 
HYODONTOIDS. 
Hyopon tercisus, Lesueur, 
SILUROIDS. 
IcTALURUS OLIVACEUS, Gill, 
Noturvs FLAvus, Raf., 
ACIPENSEROIDS. 
B. Fishes. 
ON THE GEOLOGY AND NATURAL HISTORY 
Along the Missouri river, 
Sand hills, valley of the Platte. 
“6 eG ce 
Fort Union, Missouri river. 
Milk river. 
Yellowstone river. 
Milk river, Upper Missouri. 
(o4 74 66 
Fort Pierre. 
Sweetwater river. 
Milk river. 
74 
4 
Fort Pierre. 
Sweetwater river. 
Platte river. 
Sweetwater river. 
Milk river. 
a4 
Platte river. 
Yellowstone river. 
Fort Pierre. 
Fort Sarpy, Yellowstone. 
Yellowstone river. 
66 66 
ScAPHYRHYNCHOPS PLATYRHYNCHUS, Gill (ScApHYRHYNCHUS 
Rarinesquu, Heckel), 
POLYODONTOIDS. 
PoLyopon rouiuM, Lac., 
Upper Missouri. 
Fort Pierre. 
