8 FISHES OF ARKANSAS EIVER BASIiT. 



21. Notropis lutrensis Baiid & Girard. 



Abundant in the Poteau ; described from Sugar Loaf Greek, a tribr 

 tary of the Poteau, under the name oi Moniana ])uUhella. 



22. Notropis ■whipplei Giraid. 



(Cyprinella analostana Girard.) 



Commou. Our Arkansas specimens are all slender as conii)ared wit 

 the ordinary EasterS analostana^ but we detect no other difference. Th 

 species was first described from Sugar Loaf Creek. 



23. Phenacobius mirabilis Girard. 



Common. Originally described from Fort Smith. Scales 47 to 51 



24. Hybopsis storerianus Kirtland. 



(Ceraliehthys lucens Jordan.) 



Common. 



25. Hybopsis amblops Rafinesque. 



{? Gohio vernaJis Girard.) 



26. Hybopsis aestivalis Girard. 



Abundant in the Arkansas Eiiver ; not found in the smaller streami 



Color very pale olivaceous-silvery, sparsely and irregularly covers' 

 with small black dots as in H. Jiyostomus, &q.. Fins plain. 



Head, 3^ in length; depth, 5^. D. 8 ; A. 8. Teeth, 4-4. Scales 

 6-36-4. Length, 24 inches. 



Body slender, with long and slender caudal peduncle, the bac 

 scarcely elevated. Head long and low,' the snout rather pointed, an 

 projecting much beyond the mouth. Mouth small, inferior, the maxillar 

 extending to opposite the large posterior nostril. Barbel very conspi( 

 uous, fis long as snout, 2| in head. Eye comparatively small, 4 to 4 

 in head. Fins all high, the caudal deeply forked, its lobes subequa 

 Pectorals reaching ventrals. Insertion of dorsal over that of ventralt 

 nearer snout than base of caudal. 



On comparison of our specimens with the types of CeraticJithys stei 

 letus Cope, we find no difference. 



27. Dorosoma cepedianiim Le Sueur. 



28. Zygonectes notatiis Rafiuesque. 

 Common. 



29. Gambusia patruelis Baird & Girard. 

 In Lee's Creek. 



30. Labidesthes sicculus Cope. 



31. Stizostedion caiiadense H. Smith. 

 Coloration very dark. 



32. Stizostedion vitreiim Mitchill. 

 One specimen in Lee's Creek. 



33. Percina caprodes Rafiuesque. (30388.) 

 Common. 



