498 CONTKIBUTIQNS TO NORTH AMERICAN ICHTHYOLOGY IV. 



enlarged and spinous, falling off at times, leaving a naked strip; lateral 

 line continuous. Dorsal fins large, the second usually smaller than the 

 first and smaller than the anal. Anal spines two, strong, the first the 

 longer. Size moderate. 

 {hotto?, sculpin; yadrr/p, belly.) 



777. C cop«landi Jordan. 



Body rather slender and elongate. Head rather large and long, 

 somewhat narrowed, resembling that of Boleosoma. Mouth small, hori- 

 zontal, subinferior. Eye large, 3^ in head. Cheeks naked; opercles 

 and neck each with a few scales ; throat naked. Ventral plates well 

 developed; scales moderate, strongly ctenoid. Color brownish olive; 

 a series of rather small', horizontally-oblong, black blotches along the 

 lateral line, forming an interrupted lateral band; back tessellated; 

 blackish streaks forward and downward from eye; ventral fins dusky 

 in the male; vertical fins with dusky specks; a black spot on anterior 

 rays of spinous dorsal. Head 4J; depth 5 J. D. XE-10; A. II, 9; Lat. 

 1. 56. L. 2^ inches. White Eiver, Indiana ; abundant near Indianapolis. 



(Rheocri/pta copelandi Jordan, Bull. U. S. Nat. Mas. X, 9, 1877: Bheocrypta copelandi 

 Jordan, Man. Vert. 222.) 



y7§. C putnanii J. & G. (nom.sp. nov.). 



General form of the preceding. Mouth large, the maxillary reaching 

 to the pupil. Snout convex. Cheeks naked; opercles closely scaled; 

 chest naked; neck above scaly; scales large. Tessellated above; sides 

 with ten square blotches, which are small and slightly connected by a 

 dusky band; spinous dorsal with a brown median band; second dorsal 

 and caudal barred; entral in the males dusky; a dusky stripe dow^n 

 ward and one forward from eye. Head 4 ; depth 6. D. XI-11 ; A. II, 8 ; 

 Lat. 1. 44. L. 3 inches. Lake Champlaiu. (Described from No. 1314, 

 U. S. Nat. Mus.) 



( Boleosoma tessellatum Thompson, Appendix Hist. Vermont, 1853, 31 ; not of Dekay : 

 Cottogaster tessellatus Putnam, Bull. Mus. Couii). Zool. 1863, 5.) 



259.— lOTOSTOMA Jordan. 



(Jordan, Proc. Acad. Nat. Sci. Pliila. 1877, 49: type Hadropterus shtimardi Grd.) 



Body robust. Head large. Mouth comparatively large, horizontal, 

 the lower jaw included; premaxillaries protractile; maxillary not adnate 

 to preorbital. Belly without caducous plates. Fins as in Alvordius, the 

 anal larger than the second dorsal, {etnc, to move; ar6[j.a^ mouth.) 



TYO. I. sSlumardi (Grd.) Jordan. 



Body stout, heavy forward, compressed behind. Head broad and 



