94 REPORT OF NEW JERSEY STATE MUSEUM 
Genus Pomorogus Rafinesque. 
The Alewives. 
Key to the species. 
a. Peritoneum pale. : 
b. Form elliptical; head 334. MEDIOCRIS ~ 
bb. Form ovoid; head 4%. PSEUDOHARENGUS 
aa. Peritoneum black. CYANONOTON 
Pomolobus mediocris (Mitchill). 
Shadine. Herring. Fall Herring. Hickory Shad. 

Fall Herring. Pomolobus mediocris (Mitchill). 
(Upper figure male, lower female.) 
Head 334; depth 3%; D. m1, 13; Al i, 18; scales about 52 
in lateral series to base of caudal; about 16 scales between dorsal 
and ventral; abdominal scutes 20 + 15; mandible 154 in head; 
base of anal 134 ; pectoral 114 ; ventral 214 ; least depth of caudal 
