88 BULLETIN OF THE 



the vent, not reached by the pectorals. Lateral line complete. Caudal mod- 

 erately forked. Upper lip not separated by a fold in front. Young slender, 

 subcylindrical.. 



Reddish brown, clouded with brown, scales punctulate with black. Entire 

 body and fins irregularly dotted with small spots of black. A dark band be- 

 neath the nostrils. Lower surface yellow to orange or red in life. Young 

 with a dark band along the flank. 



Near Ogden, Utah, J. A. Allen. 



Rhinichthys (Eritrema) rhinichthyoid.es. 

 Tigoma rhinichthyoides Cope, 1871, Hayden's Report U. S. Geol. Surv., 473. 



D. 2+ 9 (9-10) ; A. 2-f7 (7-8) ; V. 1 + 8 ; P. 14 ; L. Ion. 66; L. trans. 

 12 + 1 + 10 (12-13 + 1 + 10-12). 



Teeth 4.2 — 2.4, compressed, clawed. 



Length of bead one fourth and depth one fifth of total, without caudal. Eye 

 small, diameter of orbit one and one half times in length of snout, or about 

 four and a half times in length of head. Muzzle obtuse, slightly projecting ; 

 maxillary reaching about two thirds of the distance to the orbit. Maxillary 

 barbel thread-like, frequently lacking in older specimens. First dorsal ray 

 midway between pupil of the eye and base of caudal, over the middle of the 

 bases of the ventrals. Dorsal larger than anal, posterior margins of both con- 

 cave. Ventrals reaching the vent, not reached by the pectorals. Lateral line 

 complete. Caudal deeply forked. Fold of upper lip distinct in front. 



Reddish brown, irregularly blotched with brown, with small black spots on 

 body and fins. A broAvnish band from the lower edge of the orbit to the end 

 of the muzzle. Young with a more or less distinct band, which afterward 

 breaks up into blotches on the flank. BeUy red. 



Seventy specimens from near Ogden, Utah. 



Zygonectes lineatus sp. nov. 



D. 11 ; A. 14 ; V. 6 ; P. 15 ; L. Ion. 36 ; L. trans. 12. 



Moderately stout, compressed. Head less than three times in the total 

 length, without caudal ; depth more than four times in the same distance. 

 Crown flat. Eye large, diameter of orbit equal length of snout, three and one 

 half times in the length of the head, or one and three fourths times in the width 

 at the eyes. Lower jaw a little longer. Outer row of teeth in each jaw long, 

 slender, curved. First ray of the dorsal one third of the distance from the base 

 of the caudal to the anterior edge of the orbit, almost directly opposite the first 

 ray of the anal. Caudal truncate. 



Brownish, finely punctulate wilh brown ; white below. Lips, top of head, 

 and a line along the middle of the back dark. Tail with faint transverse 

 bands. 



Northeastern Wyoming. 



