280 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY - IV. 



6. Vomer ami palatines \vitli teeth ........................... EciuosTOMA, 13.". 



bb. Vunirr ami palatine* tool lil->s .......................... MAI.AI OSTKL'S, I'M. 



'' Adipose tin present ; dorsal in front of anal; body naked. (Antr<nicxt!iiiia:) 



AsTKONtSTHES, 137. 



134. STOIWIAS Cuvier. 



(Cuvier, Ife^ni- Aniin. ii. Hi?: 1 ype Esox boa Risso, from the Mediterranean.) 



Iloily elongate, compressed, covered with exceedingly fine and decid- 

 uous scales, which are scarcely imbricated, lying' in subhexagonal de- 

 pressions in the skin. Head compressed, the snout very short and the 

 cleft of the mouth extremely large. Mouth oblique, the lower jaw pro- 

 jecting. Teeth pointed, unequal, those of the premaxillaries and mandi- 

 ble very large ; maxillary with fine teeth ; vomer with a pair of fangs ; 

 palatines and tongue with smaller pointed teeth. Eye moderate. Oper- 

 cnlar portion of the head short; a large fleshy barbel suspended from 

 the hyoid region. Vent far back. Dorsal comparatively long, far back, 

 opposite the anal. Pectorals and ventrals rather small and short, the 

 latter far back. Caudal fin moderate. Lower side of head, body, and 

 tail with series of phosphorescent dots. Gill-openings very wide. Xo 

 pyloric coeca. Singular lishes of the deep waters of the Atlantic. 

 (rt-r //.:-, " mouthy," from ff-u;w., mouth.) 



* Hvoid liarbel iiot fringed. 



47O. S. fcrox Reinhardt. 



IJlack. Xeither pectorals nor ventrals produced. Caudal rounded. 

 Depth about 12 in total length; head 10. D. 17; A. 21; P. 0; V. 0. 



(Uiinthcr.) Greenland, south to Cape Cod, in deep water. 

 (Reiuhardt, Vidensk. Selsk. Xaturv. etc. x, p. Ixxvii ; Giinther, v, 42G.) 



135. ECIIIOSTOMA Lowe. 



(L;)\vo, I'l-oi-. Zuiil. Soc. Loml. 1-1:'., >7 : type I-'i-Jiinntnina Ixirlxifum Ln\ve.) 



I'.ody floii-alc. compressed, scaleless. Head rather compressed, the 

 snout short and the cleft of the mouth very wide. Teeth pointed, un- 

 equal. those of the premaxillary and the front of the lower jaw being 

 longest; maxillary teeth in a single series, those of the lower two-thirds 

 being small; teeth of the hinder par! of the mandible in a double or 

 triple series; vonier with a pair of fangs; palatines with a single series 

 of small pointed teeth; t wo groups of similar teeth on the tongue. K\e 

 if moderate si/.e. < )percnlar port ion of the head very narrow and llex- 

 ible; a fleshy barbel mi flic centre of the liyoid region. Dorsal fin far 

 back, Opposite anal. Caudal forked. Vent not far in advance of caudal 

 tin. Pectorals and ventrals feeble, the latter behind the middle of the 



