300 Jilr. C. T. Rpgan on the Chipeoil Fishes 



2. Pomolohus mediocris. 



Pomolohus mediocris (^Mitchill, l"*lo), Jord. & Evenn. Bull. U.S. Nat. 

 Miis. xlvii. 18U6, p. 425, and 1900, fig'. 188. 



Depth of body 3.\ to 3| in the leno-th, lenotli of lioad 4 to 

 4|. Snout lonoer than diameter of eye, which is 5 in length 

 of head ; niaxillaiy extending to below middle of eye or a 

 little beyond ; lower jaw strongly projecting- ; jaws toothles.s; 

 21 or 22 gill-raker.s on lower part of anterior arch. 56 scales 

 in a longitudinal serie.*, 17 in a transverse series ; ventral 

 scutes 21-22 + 16. Dorsal 16-18. Anal 20-22. Pelvics 

 in advance of middle of dorsal. Caudal peduncle as long- 

 as deep. Silvery; back darker; each scale on sides with a 

 dark spot. 



Atlantic coast of U.S.A. 



Three specimens, 280 to 300 mm. long, from the Potomac 

 and Woods Hole. 



3. Pomolohus a'stivaUs. 



Pumolobiis (sstivalis (MitchiW, ]81o), Jord. & Everm. Bull. U.S. Nat. 

 Mu3. xlvii. 1896, p. 42G, and 1900, fig. 190. 



Depth of body 3^ in the length, length of head 4§. Snout 

 a little longer than diameter of eye, which is 4^ to 5 in the 

 leJigth of head ; maxillary extending to below anterior part 

 or middle of eye; lower jaw a little projecting ; jaws tooth- 

 less; 44 to 47 gill-rakers on lower part of anterior arch. 52 

 to 55 scales in a longitudinal series, 15 or 16 in a transverse 

 series ; ventral scutes 20+ 14. Dor.sal 17-18. Anal 18-20. 

 Pelvics below anterior half of dorsal. Caudal peduncle 

 longer than deep. Silvery ; back darker. 



Atlantic coast of U.S.A. 



Two specimens, 220 and 260 mm. in total length. 



4. Pomolohus pseudoharengus. 



Pomololms pseudoharengus ("Wilson, c. 1811), Jord. & Everm. Bull. 

 U.S. Nat. Mus. xlvii. 1896, p. 426, and 1900, fig. 189. 



Depth of body 3 in the length, length of head 4 to 4^. 

 Snout as long as or shorter than diameter of eye, which is 3^ 

 to 4 in the length of head ; maxillary extending to below 

 middle of eye or a little beyond ; lower jaw a little pro- 

 jecting ; jaws toothless ; 40 to 42 gill-rakers on lower part of 

 anterior arch. 52 to 56 scales in a longitudinal series, 15 

 to 17 in a transverse series; ventral scutes 20-21 + 12-14. 



