13 



in abundance in brooks flowing into the Scioto from 

 the west. 



22. Pitnephales notatus, (Raf.). The most abund- 

 ant of our minnows, occurring in great numbers in every 

 stream. Females were taken with eggs on July 1, 

 1897. 



23. Semotilus atromaculatus, (Mitchill). In 

 every stream, generally abundant, especially at the 

 head-waters. 



24. Ahramis crvsoleucas, (Mitchill). Generally 

 common in the western part of the county, rare east of 

 the Scioto. 



25. Cliola vigilax. ( Baird and Girard). Rare, a 

 single specimen from Big Walnut. Superficially this 

 species very much resembles Pitnephales notatus. 



26. Notropis cayuga, Meek. Lateral line in- 

 complete; teeth 4— 4; a black stripe along sides and 

 head and around the upper jaw; chin pale; Rare in 

 Big Walnut and Little Darb.3', common in Mason's 

 Run. 



27. Notropis blennius, (Girard). Common in 

 almost every stream. Teeth 4-4; lateral line com- 

 plete; coloration pale; body varying in depth from 4l^ 

 to 5 in length; head 4 in length. Females taken with 

 eggs on July 16, 1897. We have for the present referred 

 certain specimens from Big Walnut to this species. In 

 these the depth is 4 to 4^/4 in length; eye large, 3 in head; 

 edges of mouth black. 



28. Notropis sp., (? ). Head 3%; depth 4; eye 31/2 

 D. 8; A. 8; Scales 6-37-4, 13 before dorsal; teeth 1, 4- 

 4, 1. Body compressed, the back elevated. Head 

 compressed, flattened above, below and on the sides. 

 Mouth very oblique, terminal; snout obtuse; maxillary 

 reaching front of eye. Eye about as long as snout. 

 Fins large; the height of the dorsal almost equal to 

 the length of head; dorsal just slightly behind the 

 ventrals; tips of ventrals reaching beyond vent; caudal 

 large and broad. Lateral line complete, decurved". 



