196 CONTRimTlMNS To \<,];ni AMF.UICAX IOIITII YOLOCJV - IV. 



reaching only li;ilf way to vent mis. < !olor silvery; the scales punctate, 

 with blac-kish; a dark band t'roin the shoulders to the base of caudal ; 

 another from the end of the miu/le, across opereiiliini, to base of an;il. 

 lleadlr;; depth 1. D. 8; A. 7; scales !:>-.->:5-ll; teeth U, 4-4, 2. L. 3 

 inches. Warm Springs, Utah. (Cope.) 



h liirittiitiix I'opr. Ilavdrn'* <!col. Snrv. Terr, lor 1*71, 1^7'J, 471.) 



fiinpaiiogcusis (C<>pr) -T- <fc G. 



I'.ody stout, rather compressed. Head licavy. Mouth oblique. Kyo 

 than mu/zle, '.\\ in head. Dorsal fin slightly in front of ven- 



trals; pectorals not reaching to venlrals, the latter reaching vent. 

 Lateral line more or less incomplete (in the typical examples, which are 

 all young; it is probably complete, in the adult). Color brownish; the 

 scales finely dusted with black points; a plumbeous lateral streak; 

 cheeks silvery; fins dusky. Head 3f; depth 4; scales K>-52-(>; teeth 

 2, 4-4, 1>. L. li inches. Si reams of Utah. (Cope.} This species and 

 the preceding are perhaps young Squall i. 



(St/bojixix tilnpniioguixix Copp, Proc. Ainer. Phil. Soc. Phila. 1874, l:M: /////;/)x <im- 

 IHinni/vnxix Co]io &. Yarrow, Zoiil. \Yhcclcrs Kxpl. \Y. 100th Mor. 054.) 



f. Scales comparatively small, moiv or li-ss clnscly iiubricati-d, and witli ( In- exposed 

 (dins deep (as in Codoma and f.iu'iliin); scales in front of dorsal small; tfdli 



Hiding wuviare more or leas developed. (Lythruru* Jordan.*) 

 \ lil;u-l; s])ol at liasc of dorsal in front. 



'26. ITI. cyaiioccplialiis (Cop<-la:id) Hay. Hoy's Rcd-fixh. 



Body short, stout, chubby, moderately compressed. Dorsal outline 

 elevated, the axis of the body being half nearer the ventral outline 

 than the dorsal. Caudal peduncle short, not contracted, the form re- 

 -embling '.hat of I'/nifplialrx. Head very short, dee]), its ^-eatest depth 

 three- iburths its length. Snout blunt, shorter than eye. Month large, 

 \ oblique, lo\ver ja\v jii'ojecting, maxillary reaching to border of eye. 

 Eye I:: in head, not so \vide as t he interoi'bital sj>ace. IMIIS large. 



Dorsal \vell behind venlrals, its longest ray about ;* long as head ; pec- 

 torals not reaching ventrals, the latter to anal. Scales small, much 

 crowded anteriorly. Lateral line stron-ly decnrved. Dorsal scales 

 small; thoracic re-ion mostly naked. Coloration dark bluish above; 

 sides not silvery. .Males in .spring profusely covered with small tuber- 

 cles; the sides and fins clear, bright red; the back, and especially tho 

 top of the head, of a clear glaucous bine. Dorsal tin in both sexes with 

 a largo black spot at the base of its anterior rays, this spot about as 



Jordan, Mau. Wri. '''-' 'vp" .v-w/i/i/;/* ilijitriitinH l>'af. (kv f jfjov, blood; 



MI, tail.) 



