1888.] NATURAL SCIENCES OF PHILADELPHIA. 179 



DESCRIPTION OF A NEW SPECIES OF ETHEOSTOMA (E. LONGIMANA) 

 FROM JAMES RIVER, VIRGINIA. 



BY DAVID STARR JORDAN. 



Subgenus IMOSTOMA, Jordan. 



Head 4 in length to base of caudal: depth 5. D. IX or X, — 

 12 or 13. A. II, 8; scales 6-43-7. Type No. 24619. Mus. Comp. 

 Zool. ; 8 specimens, the largest 2^ inches long. 



Body moderately elongate, not much compressed; head rather 

 long, somewhat blunt anteriorly, convex above the eyes, profile of 

 the snout steep and nearly straight; premaxillaries protractile; 

 lower jaw included; maxillaries reaching front of orbit, about as 

 long as eye which is 4 in head, and about as long as snout; teeth 

 rather strong; gill membranes very slightly connected ; cheeks nearly 

 or quite naked ; opercles with some scales. 



Lateral line complete; scales rather large; nape naked; belly 

 naked anteriorly, with ordinary scales posteriorly. Pectorals ex- 

 tremely long, reaching front of anal, about 1* times as long as head; 

 ventrals long, but not reaching tips of pectorals. Dorsal spines 

 high, the longest li in head ; soft dorsal very high, ItV in head; anal 

 rather large, but smaller thau soft dorsal; anal spines small, the 

 first longest ; caudal subtruncate. 



Color in spirits, olivaceous; traces of about 5 dark cross-shades 

 which extend on the dorsal fin; fins nearly plain, the spinous dorsal 

 somewhat mottled; snout and suborbital Avitli some dusky; a dark 

 spot at base of caudal. 



The types of this interesting species were taken by Professor 

 Baird, about 1855, in a tributary of the James River, Virginia. 

 They were found by me in the Museum of Comparative Zoology, 

 bearing the Mss. name (from Professor Agassiz or Prof. Putnam,) 

 of Cottogaster longimanus. 



