F'ishes of Massachusetts. 481 
brown color; the whole left side of the body and 
the fins perfectly white. Length of the head to the 
body, exclusive of the caudal fin, as 1 to 4; width 
of the body equal to half the length of the fish. 
Mouth very large; upper jaw slightly projecting 
beyond the lower; both jaws furnished with a sin- 
gle row of prominent, sharp teeth, separated from 
each other so that when the mouth is closed the 
teeth of one jaw shut into the space between those 
of the opposite jaw ; the lower jaw has a blunt spine 
at the chin; lips small Eyes placed over each 
other, separated by a bony ridge covered with scales 
similar to those over the whole head; pupils of 
the eye black; érides golden; longest diameter of 
the eye nearly equal to one third the length of the 
head. The lateral line makes a curve over the 
pectorals, so slight as to be scarcely observable. — 
'The Dorsal fin commences just over the middle of 
the eyes, and terminates a short distance in front of 
the caudal rays. 
'The Pectorals are half the length of the head. 
The Ventrals originate before the pectorals. 
The Anal fin commences back of the middle of 
the pectorals, and terminates upon the same plane 
with the dorsal fin. The edges of the anal and 
dorsal fins on the right side fringed by the continu- 
ation of the whiteness of the left side upon them. 
The fin rays are: D. 91; P.11; V.6; A. 70; 
C. 18. 
VOL. II.—NO. III—IV. A3 
