]044 Bulletin ^7, United States National Aluseum. 



spot, in advance of which is a large black blotch ; a black humeral spot ; 



2 jet-black spots at base of caudal, more or less contlueut into 1. In all 



other respects this agrees with the description of typical nlanguw. 



Length 2| inches. Kentucky River; apparently rare. Close to Hadrop- 



terus nianguw, but the scales much larger and the lateral line incomplete. 



(aniXoTu^, spotted.) 



Etheosloma inangit;Te»pilotmn, Gii.bkrt, Proc. V. S. Nat. Mus., 1887, 53, Sturgeon Creek, a trib- 

 utary of the Kentucky River, near Travellers Rest, Owsley County, Kentucky. 

 (T.vi>c, No. 38319. Coll. Gilbert); Woolman, Bull. U. S. Fish Comm., x, 1890(1892), 28(», 

 pi. 51, fig. 3. 



468. COTTOGASTER, Putnam. 



Coltogasler, Putnam, Bull. Mus. Comp. Zoiil., 5, 1863, {lessellatuni., Thomi'Son, uot of De Kay 



= copelancU). 

 Imostoma, Jordan, Proc. Ac. Nat. Sci. Phila., 1877, 49, {shumanU). 

 Rheocrypta, Jordan, Bull. U. S. Nat. Mus., x, 9, 1877, {cupelandi). 



Body rather robust, little compressed. Head moderate, bluntish. 

 Mouth moderate or small, the lower jaw included ; premaxillaries pro- 

 tractile or occasionally (in shumardi) joined by a narrow frenuni to the 

 frontal region ; maxillary not adherent to the preorbital. Teeth on 

 vomer. Gill membranes nearly separate. Scales ctenoid ; the middle 

 line of the belly anteriorly naked or with caducous scales ; lateral line 

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

 and smaller than the anal. Anal spines two, the first the longer. Pyloric 

 co^ca 3; vertebne 18 + 20^38 {copelandi) . Skullshort, the frontal region 

 not very narrow ; pa^ietals little convex transversely; sutures distinct. 

 No supraoccipital crest. Coloration uot brilliant. Size moderate, 

 (/corrof, sculjjin; jaarl/p, belly.) 



COTTOGASTER : 



a. Median line of belly with a series of more or less enlarged caducous si)iiious scales; cheeks 

 and breast mostly naked. 



b. Dorsal rays X or XI-13; back with four broad black cro.ss bands. i'ranidea, 1434. 

 hh. Dorsal raj'S XI-10 or 11; back tessellated; sides pale, with a series of black blotches; 



a small ink-like speck at base of caudal. copelandi, 143.5. 



Imostoma (eiju.t, to move; (XToixa, mouth): 

 aa. Median line of belly naked anteriorly, with ordinary scales posteriorly; cheeks mostly 

 scaly; premaxillaries sometimes with a frenum. 



c. Dorsal rays X or XI-13 to 15; scales about oG; sides with diffuse dusky bloiches. 



shumardi, 1436. 



Subgenus COTTOGASTER. 



1434. COTTOGASTER URANIDE.4. (Jordan & Gilbert). 



Head 3i to 3| ; depth 5f ; eye 3f in head ; snout 3f . D. X or XI-13 ; A. 

 II, 10 or 11; scales 6-48 to 56-x. Form moderately elongate, terete, very 

 little compressed ; upper jirofile gently arched, the lower almost straight ; 

 caudal peduncle short and very slender ; upper profile of head descend- 

 ing in a long gentle curve to the sharp snout. Premaxillaries always pro- 

 tractile, the fold very narrow. Eye equaling length of snout, 3| in head, 

 nearly twice interorbital width in a specimen 2 inches long. Opercular 

 spine well developed ; preopercular margin entire. Parietal region rather 



