74 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY III. 



Genus NOTHONOTUS Agassi*. 

 8. NOTHONOTUS CAMURUS (Cope) Jor. 



Professor Cope's types were from the South Fork of the Cumberland. 

 We have seen others from White River in Indiana, and from Mahoning 

 River and other streams in Ohio. This species is cot identical with 

 Nothonotus maculatus Ag. (Etlieostoma maculata Kirt.), as has been sup- 

 posed. 



Nothonotus maculatus has a pointed instead of rounded snout ; its 

 jaws are equal ; its mouth is larger, the body is more compressed, and 

 its dorsal fin more elevated, the soft rays when depressed reaching to 

 the caudal. 



Specimens in the National Museum, collected in Mahoning River by 

 Professors Baird and Kirtland, show the following characters : 



Body moderately elongated, very deep, strongly compressed, the 

 depth 4 in length. Head 4 in length, the jaws equal, the mouth large. 

 Eye 4J- in head. Spinous dorsal with a long base, larger than soft dor- 

 sal, the spines high, the two fins slightly connected. Soft dorsal ele- 

 vated, the longest rays when depressed reaching base of caudal, the 

 caudal peduncle very short and deep. Caudal fin short and rounded. 

 Anal somewhat smaller than second dorsal. Pectorals and veutrals 

 moderate. 



Scales not large, 58 to 60 in the lateral line, which is continuous: 

 cheeks naked : opercles scaly. 



Fin-rays : Dorsal XII-13 ; A. II, 8. 



An elaborate colored drawing of a male fish in life colors, in the 

 Smithsonian Institution, shows the following features of coloration. 

 As we have never seen this species in life, we cannot vouch for their 

 accuracy : 



Back olive; belly becoming yellowish. Sides and back profusely 

 speckled with carmine-red, the blotches rather less than the size of the 

 eye, not round, nor arranged in rows. 



Dorsal fin with a dull red stripe at base, a brown interval, then a 

 bright red stripe, finally margined with white. Second dorsal dull 

 brown at base, then a broad red stripe; a broad marginal band of 

 white. Caudal similarly tricolor, chiefly crimson, with a broad dusky 

 band at base and a wide white band at the tip. Anal chiefly crimson, 

 with a terminal band of white. Pectorals and ventrals nearly plain. 

 Head olivaceous. 



