Cocker ell and Callaicay — Fishes of the Genus Notropis. 191 



. . . teeth 2, 4-4, 2" (Jordan & Evermann). Fish with silvery sides 

 and no darlv hand; scales extremely broad, and Avith very many (about 

 20) wavy apical radii, ending basally in a very broad nuclear area. (An 

 arrangement resembling that in Nocomis kenluckiensis and Myloleucus 

 thalasslnus. ) Specimen studied from Tellico River, Tellico Plains, Ten- 

 nessee (1893), Dr. Evermann coll. for U. S. Bureau of Fisheries. Asa 

 recognition mark, the large black patch on the dorsal fin is worth noting. 

 iV. cayuga atrocaudalis Evermann appears to be wortliy of specific rank 

 as Notropis atrocaudalis. Dr. Evermann writes assenting to this propo- 

 sition. 



Chriope Jordan. 



From a superficial examination of the fish, the following table was con- 

 structed : 



Snout elongate, its length nearly or quite diameter of eye . . 1. 

 Snout shorter, obviously less than diameter of eye 2. 



1. Slender, silvery fish with smaller eye N. cayuga. 



Indiana (Lake Maxinkuckee). 



Deeper, less silvery fish with larger eye N. kendalU. 



Maine. 



2. Caudal spot very distinct, not merged in band ... N. maculatus. 



Lake Monroe, Fla. 

 Caudal spot indistinct, or merged in band 3. 



3. Lateral band intense black ; iris black X. bifrenatus. 



Sebago Lake, Maine. 

 Lateral band greyish ; iris pallid 4. 



4. Scales broadly rounded at apex; eye very large .... N. heterodon. 



Lost Lake, Ind. 

 Scales more pointed 5. 



5. Profile of nose rounded \ . . N. muskoka. 



Ontario. 



Profile of nose straighter G. 



G. Pigment of band reddish N. anogenns. 



Blue Lake, Ind. 



Pigment of baml black X. atrocaudalis. 



Palestine, Texas. 



This may be supplemented by a table of measurements: 



