SYNOPSIS. 405 



Gen. LXXXIX. Echenets. Dorsal single, corresponding 

 exactly to the anal ; mouth wide, with small recurved teeth on 

 both jaws, as well as on the tongue and vomer. 



Sp.' 191. E. Remora. Common Sucking-fish. Head flat 

 above, the suctorial disc consisting of from seventeen to 

 nineteen transverse bars ; lower jaw longest ; caudal cres- 

 cent-shaped ; colour dusky brown. Cuv. Reg. An ; Yarr. 

 Brit. Finh.., ii. p. 377. Mediterranean Remora, I^rm. Brit 

 Zool.y iii. App. p. 524. 



ORDER IV. MALACOPTERYGII APODES ; SOFT- 

 FINNED FISHES WITHOUT VENTRALS. 



Fam. XXII. Mwcenidce. Eel Family. Body cylindrical, 



very much elongated; scales S7nall, and envdoped i/n a thick 



tmtcous epidermis. 



Gen. XC. Anguilla. Dorsal, anal, and caudal fins united ; 



the dorsal commencing considerably behind the pectorals, upper 



jaw shortest. 



Sp.\92. A. actitirostris. Sharp-nosed Eel. Head compressed, 

 the snout sharp ; eyes placed immediately over the angle 

 of the mouth, the gape extending to beneath the middle 

 of the eyes ; dorsal commencing at about one-third of the 

 entire length from the snout ; anal occupying about one- 

 half of the entire length ; pectorals small and rounded ; 

 vertebrae 113; upper parts dark olivaceous green ; sides 

 lighter ; belly white ; all these tints often more or less 

 tinged with brown and dusky. — Tarr. Proc. Zool. Soc, 

 1831, pp. 133 and 159 ; Brit. Fish., ii. p. 381. Jenyns'' 

 Brit. Vert., p. 474. Anguilla vulgaris, Cuv. Reg. An. 

 Mursena anguilla, Linn., Perm. Brit. Zool., iii. p. 191. 

 Sp. 193. A. lutirostris. Broad-nosed Eel. Head broad, 

 snout rounded ; gape extending to a point rather behind 

 the eye ; teeth more numerous tlian in A. acutirostris and 

 A. mediorostris ; gill-openings, pectoral fins, the com- 

 mencement of the dorsal fin, and the vent, placed further 

 back than in A. acutirostris ; fins deeper ; vertebrae 115 ; 



