FISHES OF MASSACHUSETTS. 63 



The Anal fin is situated just back of the origin of second 

 dorsal j as long again as high. 



The Caudal fin is quite deeply forked ; lighter colored than 

 the other rays. 



The fin rays are as follows : D. 4-9 ; P. 12 ; V. 5 ; A. 25 ; 

 C. 17. 



FAMILY XII. 

 GOBIOIDES. 



PHOLIS. Artedi. 



Generic characters. Long, equal, and closely set teeth, form- 

 ing but a single and regular range in each jaw, terminated 

 behind, in some species, by a longer and hooked tooth. The 

 head is obtuse, the muzzle short, and the forehead vertical ; 

 the intestines broad and short. 



P. subbifurcatus. Nobis. The subbifurcated pholis. 



I have seen but a single specimen of this fish ; it was found 

 at an unusually low tide among the sea-weed at Nahant. and 

 brought to me by my brother-in-law, Thomas M. Brewer, M. D. 



Specific characters. Dorsal fin extending to the tail ; fila- 

 ments upon the nostrils; three dark colored bands passing from 

 the eyes ; lateral line subbifurcated. 



Length, including tail, five inches five lines ; depth across, 

 on a line with the anus, one inch ; body much compressed. 

 General color of body, reddish brown ; several lighter colored 

 circular patches along its upper part, at the base of the dorsal 

 fin ; the spaces between the rings darker than the rest of the 

 body, giving the appearance of bars. Body beneath the late- 

 ral line, lighter colored ; abdomen yellowish white. Body 

 smooth, scales very minute. Length of head, from tip of 

 snout to posterior angle of the operculum, is to the whole 



