THE FISHES OF NEW JERSEY. 435 
Maxillary reaching slightly behind orbit, its width nearly % its 
length. Mandible slightly projecting. Origin of dorsal nearer 
tip of snout than base of caudal, base of fin 2 in head, longest ray 
equals pectoral or nearly 1% in head, and last ray 3 in head. 
Adipose fin over last 2 or 3 anal rays, and its length about equal 
to diameter of iris. Anal base 2% in head, and last ray %4 of 
longest, which is 2 in head. Caudal deeply forked, middle rays 
less than 1% length of outer, which are equal to head without 
snout. Pectoral reaching almost below origin of dorsal, 1% in 
head. Ventral inserted below fifth or sixth branched dorsal ray 
and equal to postorbital part of head. Scaly ventral flap not quite 
3 in head. Color with about 10 oblong parr marks on side and a 
few narrow dark blotches simulating half bands on back from 
near nape to a point behind dorsal. Numerous pale spots along 
middle of sides, each probably with a vermilion spot during life. 
Length 93% inches. Sterling Lake. ( Bean. ) 
This fish has been introduced from Europe. It is an inhabitant 
of north-eastern America and is found in cold lakes and mountain 
streams. It may be distinguished from our brook trout by not 
having the back marbled with darker, and unspotted, the red 
spots confined to the side. 
Salvelinus alpimus Bean, 7th An. Rep. F. Fish and Game Com., 
Ne War 190k “p.'347: 
Family ESOCIDA. 
The Pikes. 
Genus Esox Linnzeus. 
The Pikes. 
Esox masquinongy (Mitchill). 
Muskallunge. 
Distinguished easily from our other species by naked cheeks and 
lower half of opercles. 
Largest of the pikes, reaching a length of 8 feet and a weight 
of 100 pounds or more. It is a native of the Great Lake and 
