GOG CONTRIBUTIONS TO NORTH .ANIERICAN ICHTHYOLOGY IV. 
backward on both sides of the lateral line to the middle of the second 
dorsal, the band narrower and the prickles smaller posteriorly. 
(^Coffopsis gulosits Grd. Proc. Acad. Nat. Sci. Pliila. 1654, GcntridcTtniclithys 
/ 7 (Ros«» Giinther, ii, 170.) 
105§. U. puBictufiata. (Gill) Cope. 
Light olivaceous ; body covered with small black spots, which become 
larger and more scattered behind; soft dorsal, pectorals, and caudal 
thickly spotted; spinous dorsal without dark blotch. Head long and 
wide. Mouth quite large; maxillary reaching past front of orbit; 
preopercular spine strong, directed obliquely backward and upward. 
Head 3 ; depth 5. D. YIII-IT; A. 13. {Gill.) Bridger’s Pass; distiu- 
guislied from the other species by the speckled coloration. 
{rotamocottus punctulatus Gill, Proc. Bost. Soc. Nat. Hist. 1861, 40, and in Ichth. 
Capt. Simp. Expl. 1876, 402.) 
1059. U. toeaidirei (Bean) J. & G. 
Uniform dark brown above, lighter below. Maxillary extending just 
beyond front of eye; eye 4 in head; preopercle with 4 spines, the upper 
one half as long as the eye. Pectorals reaching origin of anal; ven- 
trals not to vent. Depth 4. D. VIII-IC; A. 12; T. I, 3. Walla-Walla, 
Wash. [Bean.) 
{rotamocottus bendirei Bean, Proc. U. S. Nat. Mns. 1881, 27.) 
1060. U. ric2aa.a’«lsoiii (Agassiz) J. & G. — Miller’’ s Thumb; Blob; Muffle-jaw; 
Bull-head. 
Olivaceous, more or less barred and speckled with darker; fins 
mostly barred or mottled. Body slender or stout, tapering regularly 
backward to the tail; vertex somewhat depressed; iuterocular space 
with a groove; iireopercle with a short sharp spine, little hooked, 
directed backwards and uiiwards, mostly covered by the skin ; below 
this are 2 smaller concealed spines; subopercle with a stoutish spine, 
directed forwards. Skin smooth, except the region immediately behind 
the pectorals, which is beset with very small sharp prickles which are 
sometimes obsolete; lateral line conspicuous, continuous or interrupted 
behind; first dorsal low and feeble; pectoral fins large, their length 
nearly equal to that of the head, their tips usually reaching beyond the 
origin of the soft dorsal; ventral fins moderate; isthmus very broad, 
the gill-membranes not forming a fold across it. Head 3^; depth 4-{5. 
D. VI to VlII-16 or 17; A. about 12; V. I, 4. L. 3-7 inches. Middle 
and Northern States, abounding in all clear rocky brooks and lakes; 
extending southward along the Alleghanies to Alabama. 
