"EU 
AMO * 
Fishes of M. assachusetts. i 361 
M are nearly free, or rather have a membrane attached 
to their lower portion, but which does not pass high 
up the spines. 
"The Pectorals are beneath the posterior angle of 
rs ne operculum ; less than one third as long as high, 
of a dark brown color. 
. .. "The Ventrals are one fourth of an inch long; their 
outer ray, spinous. 
— The Anal fin arises just in the middle of the body, 
and is nearly as long again as high; color of the 
dorsal. This fin is preceded by three spinous rays, 
the first of which is free. 
The Caudal fin is quite deeply lunated. 
The fin rays are as follows: D. 5. 2-22; P. 19; 
V. 1-5; A. 1. 2-17; C. 20. 
Although there are three spines before the anal, 
but one of these can be said to be free; of the re- 
maining two, the second is more free than that next 
the fin 
PE T Tremnopon. Cuv. 
Generic Cog T'ail unarmed ; a small fin, 
do Sree spines before the anal ; the first dorsal is very 
slight and low, the second and the anal covered with 
Small scales ; but their principal character consists 
in a range of separate, pointed and trenchant teeth 
in each jaw ; behind these, above, is a row of small 
ones, and the vomer, palatine and tongue are fur- 
nished with others, very small and crowded. The 
operculum terminates in two points, and there are 
seven rays in the branchia. 
VOL. IIL.—NO. III—IV. 28 
