Fishes of Massachusetts. 493 
low color, with six well marked lines on each side 
of its centre, by which it is enabled to attach itself 
very powerfully to foreign substances. 
The Anal fin, commencing back of the beginning 
of the dorsal, terminates upon the same plane with it. 
The Caudal fin, when not expanded, is a little 
longer than wide; when expanded, one fourth wider 
than long. 
The fin rays are: D. u: P. 203 &-1050..12. 
The young fish is blue diiri, ue Kits entirely 
White beneath. 
Ecueneis. Lin. 
. Generic characters. Body elongated, covered with 
very small scales ; a single dorsal fin placed opposite 
the anal; the head very flat, covered with an oval 
disk formed by numerous transverse cartilaginous 
Plates, the edges of which are directed backward ; the 
mouth wide, with numerous small recurved teeth on 
both jaws, the tongue, and the vomer. 
E. mnaucrates. Lin. * The Indian Remora. 
Sonnini’s Buffon, vol. Ixxii, p. 187. 
Rees’ Encyclopedia, vol. xiii. 
Strack’s plates, 45. 2. a poor figure. 
I have seen a single specimen only of this species ; 
it was taken by a fisherman from the bottom of his 
smack, to which it was attached in Boston Bay. 
Length of the specimen, twenty inches; greatest 
depth, exclusive of the fins, two inches. Body, 
