T 
Fishes of Massachusetts. 853 
middle of the lower jaw are four teeth ; the anterior 
two quite small; the posterior, Óthe largest in the 
jaws: the palatine bones are very small. Diameter 
of the eye equal to one third the distance between 
the eyes; pupils black ; irides, silvery. 
The first Dorsal fin commences on a line just 
back of the posterior angle of the operculum; its 
second ray is highest; color of the fin light, with 
= dull patches; the posterior short rays almost con- 
cealed in a groove upon the back, when unex- 
- panded. 
The second Dorsal is longer than high; back of 
this fin are eight finlets, the third and fourth of 
which are longest. ——— 
The Pectoral fins. arise T. in front of the first 
dorsal, of a dark color above, lighter beneath; as 
high again as long. 
The Ventrals commence back of the forais: are 
darker colored next to the abdomen. When unex- 
panded, these fins shut into a depression, partially 
formed upon the abdomen. à 
The Anal fin arises on a line opposite the first 
dorsal finlet; is a little longer than high, white, 
with fuliginous. Back of the anal, are seven fin- 
lets; the posterior, smaller. Anus small, directly 
in front of the anal fin. A thick, fleshy carina on 
each side of the fleshy portion of the tail; on each 
Side of the. posterior part of this, two quite small, 
obtuse carin; run directly back across the middle of 
the caudal fin, causing quite a depression between 
E vou. HL.—No. Hi-Iv. 2 
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