Fishes of Cayuga Lake Basin. 315 



56. COTTUS ICTAIiOPS BAIRDIt Glrard. 



A., 254. B.,697. C, 111. 



This variet}^ differs from the former in having a less robust 

 body ; the dorsal fins scarcely if at all connected ; and the paired 

 fins and palatine teeth less developed. 



The two forms apparently grade into each other. 



Found with the preceding. 



57. COTTUS GRACIIilSt Meckel. 



A., 252. B., 699. C, 111. 



Palatine teeth usually absent. Ventral rays 1—3. Head 3^ to 3| in 

 length of the body ; depth 4^ to 5 J. Dorsal rays vii., viii. Anal 11-13. 



I have examined specimens of this species from the southern 

 end of Cayuga Lake, Beaver Creek, McLean, N. Y., Worcester, 

 N. y., and Bangor, N. Y. All apparently belong to the same 

 species. 



Less common than the former species. 



58. COTTUS GRACILIS CAYUGAt Var. Nev. 



One female specimen 10 cm. in length. 



Head 3f in the length of the body ; depth 6^. Dorsal rays 

 vii.-17. Anal rays 12. 



Body very slender. Preopercular spines large and strongly 

 hooked, not covered by the skin. Paired fins comparatively 

 small, otherwise not essentially different from C. gracilis. 



This specimen was taken from Cayuga Lake a few years ago. 

 It appears quite different from the preceding. 



It is not unlikely that these, as well as other described forms, 

 will prove to be but varieties of G, ictalops. 



Family XX. OABIDJE. 



59. liOTA MACUIiOSA I^e Sueur. 



(Aleky Trout; Burbot.) 

 A., 257. B., 802. C, 129. 

 Found in the Lake ; very scarce. 



