ADDENDA 31. CYPRINID^ JRHINICHTHYS. 
885 
are recognized. These are distinguished by the characters given in 
the following analytical key: 
a. Mouth inferior, snout produced beyond it. 
5. First dorsal ray midway between end of snout and ])ase of caudal. 
c. Lateral hue 60-64; 1. trans. lu + 1 + 9 " nasntHs. 
cc. Lateral line 70 ^ ^ , 
oh. first dorsal ray midway between anterior nostril and base of caudal. 
d. Lat. 1. 75-80; 1. trans. 10 + 1 + 10 marmoratm. 
dd. Lat. 1. 70; 1. trans. 10 + 1 + 10 luteus. 
hhh. First dorsal ray midway between front of mouth and Tiase of caudal. 
c. Lat. 1. 70; 1. trans. 11 + 1 + 10; snout narrow ocella. 
ee. Lat. 1. 80; 1. trans. 12 + 1 + 12 dulci^. 
eee. Lat. 1. <0-/2; L trans. 12 + 1 + 13 — — transmontanm. 
hhhh. First dorsal midway between middle of eye and base of caudal. 
/. L. trails. 25 maxillosus. 
aa. Mouth subiuferior, snout not produced. 
g. First dorsal midway between no.stril and ba.se of caudal; lat. 1. 80; 
1. trans. 14 + 1 + 10 hadins. 
gg. First dorsal midway from eye. 
h. Lat. 1. 58-60; 1. trans. 9 + 1 + 7 simits. 
hh, Lat. 1. 70; 1. trails. 11 + 1 + 8 obtusus. 
IthJi. Lat. 1. 63 ; 1. trans. 12 1 — j— 9.... .... ...... ...... atvouctsus. 
i. Stout, black baud obsolete. Za/mtas. 
aaa. Mouth anterior. 
k. First dorsal midway from front of eye. 
Z. Lat. 1. 09—/ 6 ; 1. trans. 11 — 1 — 10 . .... .... .... ...... 'luftlcctgris. 
ll. Lat. 1. 64 ; 1. trans. 9 + 1+ 7 arenatun. 
Most of these species we are unable to recognize. They seem to us 
to be merely local varieties, or even individual variations, of the two or 
three most widely-distributed types in this genus. 
The following may perhaps be inserted: 
Page 207. After E. transmontamis add: 
316 (Z>). K. (liilcis (Grd.) Jor. & Copcl. 
Eeddish brown, clouded with darker; lateral band very faint; a 
dark caudal spot. Snout blunt, projecting be^’oiid mouth, which is 
small and inferior. Barbel small, sometimes absent. Yentrals reach- 
ing vent. Seales small. Head 4^. 13. 9; A. 8; scales 12-80-12. Platte 
Valley. {Gar man.) 
{Arggreus dulcis Grd. Proc. Acad. Nat. Sci. Phila. 1856, Sweetwater River; Gar- 
man, Science Observer, 1881, 59, Cheyeuiie: Bhiniehthgs ocella Garman, 1. c. 59, from 
N. E. Wyoming and Montana, has the snout narrow, the barbel conspicuous, the 
scales 11-70-10; Bhinichtlnjs luteus Garmau, Bull. Mas. Comp. Zobl. 1881, 87, and 
Scieuce Observer, 1881, 59, from Ogden, Utah, has the snout long, more than twice 
eye, the barbel small, and the scales 10-70-10: Bhinichthgs marmoraius Ag. ; Garman, 
1. c. 58, from Sault Ste. Marie, has the scales 10-78-10, and is possibly distinct from 
B. eataroctw.) 
