126 Tr.I.EOSTKI : ACANTnorTEUI. — XX. 



335. E. longimane Jordan. Body moderately slondor ; hoad 

 lonji, bluntisli aiiti riorly, profile of snout steep and nearly strai^lit ; 

 month moderate, inclnded ; maxillary to front of eye ; eheeks nearly 

 or (|iiite naked; opi-reles .sonu what scaly, nape naked; dorsals very 

 hi;;h ; A. spines small. Olivaceous, with 5 dark cross-shades; a 

 dark spot at hase C, fins nearly plain. Head 4 ; depth 5. 1). IX 

 or X-12 or 13. A. II, 8. Scales G-43-7. L. 2^. James 11., Va. 

 (Lat., lutif/us, long; rnanus, hand.) 



'/'/. 1'. moderate, not rcacliing A. 



336. E. shumardi (Girard). Body robust; head broad and 

 thick; mouth lar^^e, scarcely inferior; cheeks, opercles and najie 

 scaly; breast naked; fins all large. Dark olive, blotched with 

 darker ; sides with 8 to 10 vague bars ; a small black sj)ot on front 

 of sj)inous D. ; a large one behind; fins barred; suborbital stripe 

 large, black. Head 3| ; depth 5. D. X, 15. A. II, 11. Scales 

 6-56-11. L. 3. Wabash 11. to Ark., in larger streams. (To 

 Dr. George C. Shumard.) 



ee. Premaxillaries not protractile (the skin of the middle of tlie upper jaw 

 continuous with tliat of the foreliead). 

 p. Cranium broad l>etween the eyes; snout conic, pig-like, projecting be- 

 yond thi' inferior mouth; ventral line witli a series of larger scales 

 which fall off, le^iving a naked strip; dorsal spines 13 to 15; gill 

 nu-ml)r:ines separate; scales .>>mall; vertebne 23 + 21 = 44. (Per- 

 cina ' ll.ildcnian.) 



337. E. caprodes Rafinesque. Lor, Pi:Rcn. IIoo-Fisn. 

 CuAWL-A-noTTOM. Body elongate; fins rather low; cheeks and 

 oj)ercle8 scaly. Yellowish gn-en witli al)Out 15 dark cross-bands, 

 these usually alternating with shorter and fainter bands ; a black 

 spot Jit base of C. ; fins barred. Head 4; depth 6. D. XV- 15. 

 A. II, 9. Lat. 1. 92. L. 6 to 8. Great Lakes to Va., Ala., and 

 Texas, abumlant, the largest of the darters, and tlie one most 

 nearly allied to the Perch and similar fishes. N. and K. rn-curs 

 var. zrbra Ai^assiz. with napi- naked, etc.; the ordinary form is 

 scaly. (iMijr/Jof, the wild lM)ar ; ftSoc, like.) 



pp. Cranium not broad brtwren the eyes: mouth less inferior, the snout 

 usually not projecting nnich beyond it. 

 r. Ventral line with the median series of scales more or less enlarged 

 or (if these are fallen) with a naked strip; anal tin large; lateral 

 line complete. 

 «. Palatine teeth present; dorsal sjiines 11 to 1,5. 



y. I'reopercle strict Iv entire; trill membranes scarcely united across 

 isthmus. (Alvordius- (Jirard.) 

 t. ('heek<i and opercles wholly naked ; head large and long. 



3.18. E. macrocephalum Cope. Body slender; In'ad eel-like; 

 maxillary reaching eye. Brown, back with dark (]uadrate spotsj 

 > Dill), of IVrra. * To Uciiural Uciijamtn AlvurJ, U. S. A. 



