280 PROCEEDINGS OF THE ACADEMY OF [April, 



Head 3| to 4; depth 2| to 4; D. iii, 7, i, rarely iii. 8. i; A. iii. S. i, 

 seldom iii, 7, i, rarely iii. 9, i; scalas usually 33, frequently 30 or 34, 

 often 31 or 32, seldom 35, rarely 29 or 36 + usually 2. seldom •'!. 

 rarely 1; usually 6 scales above 1. 1., frequently 7. rarely S: usually 

 4 scales below 1. 1., seldom 5; usually 14 predorsal scales, frequently 

 15, occasionally 13, often 16, seldom 17; snout 2i to 4 in head: eye 

 2J to 5; maxillary 2| to 3\; interorbital 2£ to 3; teeth usually 0. 4-4, 

 0, frequently 1, 4-4, 1, occasionally 1, 4-4, or 0, 4-4. 1: length 

 1A to 2ft inches. Cotypes, of C. sauvis 2. .1/. latabilis 1. M. pul- 

 chella 1. M. rvtila 1 (nearly dessicated), M. conchi 1 (labelled "Arkan- 

 sas River near Fort Smith. Dr. George E. Shumard. Smiths. Inst. 

 2982" evidently erroneously), .1/. gracilis 1. C. billingsiana 40 (type 

 No. 2.952. A. \. S. P.), M. jugalis 7 (type No. 3.144. A. X. S. P.), 

 and type of C. montiregis (type No. 19.344, A. X. S. P.). Also 121 

 examples, from Chariton, la.; Clinton, Osage River. Brownsville, 

 Sedalia, Marshfield, Greenfield, Mo.; Dallas, Palestine?. Devil's River. 

 Del Rio, (hah am, Wichita River. Tex. ; Fort Riley, Kan. 



Notropis proserpina (Girarrt). PI. XVII, fig. 22. 



Montana proserpina Girard, Proc. Acad. Nat. Sci. Phila., 1856, p. 200. 



Devil's River, Tex. 

 M. anrala Girard. /. c. Piedra Painte, New Mex. 



Head 3f to 4; depth 4 to 4f; 1). iii, 7. i; A. iii, 7. i: scales usually 

 34 or 35. sometimes 33 or 36 + usually 2. rarely 4; usually 6 scales 

 above 1. 1., occasionally 7: 4 scales below 1. 1.; usually 16 predorsal 

 scales, occasionally 15. 17 or 19; snout :; to :P, in head; eye oh to 4; 

 maxillary 3£ to 3±; interorbital 3 to 3±; teeth 4-4; length 2 2f 



inches. Cotypes of .1/. proserpina 1. and M. aurita 2. Also 52 exam- 

 ples from Del Rio, Tex. 



Notropis bubalinus (Bair.l and Girard). 



Cyprinetta umbrosa Girard. Proc. Acad. Nat. Sci. Phila., 1S5G, p. 197. 



Coal Creek, Canadian River, Ark. 

 C. beekwithi Girard, /. c. Arkansas River near Fort Makee. 



Head 3f; depth 3; D. iii, 7. i; A. iii, 9, i; scales 33 + 2; 7 scale. 



above 1. 1. ; 5 scales below 1. 1. ; 16 predorsal scales ; snout 3f in head; 



eye 4; maxillary 3; interorbital 2f; teeth 1,4-?, ?, hooked, grinding- 



surfaces, edges apparently crenulated. Cotype of C. umbrosa. Cotype 



of C. beckirithi, nearly dissolved. 



Notropis ludibundus (Giranl). PI. XVII, fig. 23. 



CyprineUa ludibunda Girard, Proc. Acad. Xat. Sci. Phila., 1S56, p. 199. 

 No locality. 



Cotype of C. ludibunda. 



