AMBLYOPSID^E. CHI. 269 



** Eyes well developed ; body colored ; no ventrals. 



CHOLOGASTEK, 3. 



/. AMBLYQPSIS, DeKay. LARGER BLIND FISH. 

 1. A. s pel (BUS, DeKay. BLIND FISH OF THE MAM- 

 MOTH CAVE. Head 3 in length; D. and A. equal, well 

 developed; head and body with papillary ridges; scales 

 small; colorless; D. 10; A. 9; V. 4; P. 11; length 2 to 

 5 inches. Subterranean streams of Ky. and Ind., Mam- 

 moth Cave, Wyandot Cave, etc. 



2. TYPHLICHTHYS, Girard. SMALL BLIND PISH. 

 1. T. subterraneus, Grd. General character of Am- 

 blyopsis, but the head rather blunter and broader for- 

 wards; D. 7 or ; A. 7 or 8; P. 12; length 2 inches or 

 less. Subterranean streams in Ky,, Tenn., Ala. 



3. CHOLOGASTER, Agassiz. DITCH FISHES 



1. C. cornutus, Ag. Head 3 in length; eye moderate, 

 well developed; snout with two horn-like projections; 

 yellowish brown, dark above; sides with three dark lines, 

 becoming dots on the tail; middle rays of C. dark, fins 

 otherwise uncolored; D. 8 or 9; A. 8 or 9; P. 12; length 

 2 to 2^- inches. Ditches in a rice field, Waccamaw, S. C. 

 Three specimens known. 



2. C. agassizii, Putnam. Head 4 in length; eyes 

 larger; uniform light brown, otherwise as above; length 

 1 to 2 inches. Subterranean streams in Tenn. and Ky. 



