31. CYPRINID^E SQUALIUS. 233 



crate. Lateral line strongly decurved ; 23 series of scales in front of 

 dorsal liu. Fins high. Color dark olive above, many scales irregularly 

 darker; sides silvery; no dark lateral band; a broad shade of deep 

 rose-color along the sides in spring males, below which most of the 

 belly is bright crimson, these red colors brightest anteriorly. A nar- 

 row, dark lateral streak like a pencil-mark, from head to tail, overlaid 

 by the scales. Head 3%; depth 4J. D. 8; A. 8; scales 8-50-5; teeth 

 2, 5-4, 2. L. 4 inches. Cumberland and Tennessee Eivers. 



(Gila cstor Jordan & Brayton, Bull. U. 8. Nat. Mus. xii, 66: Gila estor Jordan, 300.) 

 !5?O. S. fuiluloiles (Grd.) Jor. & Gill.. 



Body rather elongate, somewhat compressed, with arched back and 

 rather slender caudal peduncle, the latter longer than head. Head 

 moderate, smaller than in any of the preceding species. Mouth as in 

 the preceding, but less deeply cleft. Eye large, 3 in head. Dusky 

 above; a dark lateral baud, with a narrower pale streak above it; belly 

 and lower part of head yellowish, red in males in spring. Head4; 

 depth 41. D. 8; A. 8; scales 9-48-4; teeth 2, 5-4, 2. Streams tribu- 

 tary to Chesapeake Bay, south to North Carolina. (Cope.} 



(Clinostomus fuiiduloides and carolinus Grd. Proc. Acad. Nat. Sci. Phila. 1856, 212: 

 CHnostomux funduloides Cope, Cypr. Perm. 376: Leuciscus funduloidcs Giinther, vii, 256.) 



ft Month moderate, terminal, oblique, the lower jaw little projecting, the premaxillary 

 below the level of the pupil, and the maxillary not reaching to pupil. ( Tigoma 

 Girard.*) 

 a. Anal basis elongate, its rays 10-12. 



371. S. liyds-opBlloX (Cope) Jor. & Gilb. 



Body rather slender. Head small ; front straight. Mouth rather small, 

 oblique, the maxillary just reaching line of orbit, lower jaw projecting. 

 Eye small, 5 in head, 1 in iuterorbital width. Anal fin long. Color 

 olive above, with a dusky lateral border, below this a crimson band, 

 and still lower a blackish baud, which runs above the lateral line to the 

 base of the caudal fin; cheeks, sides, and belly crimson anteriorly in 

 males, silvery in females. Head 4|; depth 4. D. 8; A. 11; scales 

 15-58-7; teeth 2, 5-4, 2. L. G inches. Blackfoot Creek, Idaho. (Cope.) 

 A species intermediate between the typical Clinostomi and the Tigomce, 

 closely related to S. montanus, etc. 



(Clinostomus hydrophlox Cope, Hayden's Geol. Surv. Mont. 1871, 475, 1672.) 



* Girard, Proc. Acad. Nat. Sci. Phila. 1856, 205: type Gila puchella 13. & G. (A 

 coined name. ) 



