286 PROCEEDINGS OF THE ACADEMY OF [April, 



?4; maxillary 2f to 3£; interorbital 2| to 3f ; teeth usually 2. 4-4. 2, 

 seldom 1, 4-4, 2, rarely 0, 3-4, 1 or 1?, 4-4, 1 or 0. 4-4. 2 or 2. 3?- 

 4, 0? or 1, 3-4, 2; length 1A to 4 inches. Eighty examples, from 

 Eureka Springs and White River. Ark.; Marshfield, Greenfield, 

 Carthage and James River, Mo. 



Notropis rubricroceus (Cope). PI. XIX, fig, 34. 



Hybopsis rubricroceus Cope. Journ. Acad. Nat. Sci. Phila., (2) VI, 1868, 

 p. 231, PI. 24, fig. 4. Tumbling Creek, X. Fork Holston River, Va. 



Head 3§ to 4; depth 4 to 4f ; D. iii, 7, i; A. usually iii. 7. i. rarely 

 iii, 8, i; scales usually 35, often 32, 34, 35 or 39, seldom 37 + 2 or 3; 

 usually 6 scales above 1. 1., occasionally 7; usually 4 scales below 



1. 1., rarely 3; predorsal scales 13 to 17, rarely 18; snout 3| to 3f 

 in head; eye2|to3f; maxillary 2^ to 3; interorbital 2| to 3^ ; teeth 



2, 4-4, 2; length U? to 2 ft, inches. Cotypes of //. rubricroceus 14 

 (type No. 2,907, A. X. S. P.). 



Notropis chlorocephalus (Cope). PI. XIX, fig. 35. 



Hybopsis chlorocephalus Cope, Proc. Am. Philos. Soc. Phila., XI. 1870, p. 

 401. Trib. Catawba River, X. C. 



Head 3| to 3f ; depth 4} to 5; D. iii, 7, ] : A. iii, 7. i; scales usually 

 32, 33 or 37, sometimes 30?, 31?, 35 or 36 + usually 3, rarely 2; 6 

 scales above 1. 1.; 4 scales below 1. 1.; predorsal scales usually 16, 

 often 15, sometimes 10 to 14, 17. 19 or 20; snout 3$ to 3| in head: 

 eye 2f to 3; maxillary 2| to 3?-; interorbital 2 A to 3ft; teeth usually 

 1 , 4-4, 1, rarely 1?, 3-4, 1 or 1, 4-4, 0; length li% t<> 2ft inches. Cotypes 

 of H. chlorocephalus 41 (type No. 2.755, A. X. S. P.). 



Notropis chiliticus (Cope). PI. XIX, fig. 36. 



Hybopsis chiliticus Cope, Proc. Am. Philos. Soc. Phila., XI, 1S70, p. 462. 

 Yadkin River, X. C. 



Head 3f to 3|; depth 4| to 4|; D. iii, 7, i; A. iii, 7. i; scales 



usually 36, seldom 35? or 38 + usually 2, sometimes 3; 7 scales 



above 1. 1.; usually 4 scales below 1. 1., seldom 3; usually 15 or 16 



predorsal scales, seldom 17; snout 3ft to 3* in head; eye 2* to 3ft; 



maxillary 2f. to 3; interorbital 2f to 3£; teeth 2, 4-4. 2: lenpth 



1A to 2\ inches. Cotypes of H. chiliticus Cope 11 (type Noj 4.37S, 



A. N. S. P.). 



Notropis altipinnis (Cope). PI. XIX, fig. 37. 



Alburnellus altipinnis Cope, Proc. Am. Philos. Soc. Phila., XI, 1S70, p. 404. 

 Yadkin River, Roane County, X. C. 



Head 4; depth 5£; D. iii, 7, i; A. iii, 8, i; scales 32 + 2; 6 scales 

 above 1. 1. ; 4 scales below 1. 1. ; 16 predorsal scales; snout 3ft in head ; 

 eve 2f ; maxillary 3& ; interorbital 3; teeth 2, 4-4, 2; length 2A to 2ft 



