156 REPORT OF NEW JERSEY STATE MUSEUM. 
about as long as orbit. Nostrils together in front of eye above. 
Interorbital space broad and slightly convex. Gill-rakers about 
8 + 15 short weak points. Scales on anterior portion of body 
crowded above, on caudal peduncle large. Lateral line of simple 
tubes, a little decurved, median. Dorsal inserted midway be- 
tween tip of snout and base of caudal, and depressed fin reaching 
a trifle over half way to latter. Anal inserted a little nearer base 
of last dorsal ray than base of caudal, and depressed fin reaching 
a little beyond latter. Caudal a little emarginate and rather broad. 
Pectoral a little long, reaching opposite origin of dorsal. Ven- 
tral about opposite middle of base of dorsal, or 34 of space to 

Sucker. Catostomus commersonnti (Lacépéde). (Young.) 
anal. Color olive, pale below. Back and sides mottled with 
dusky. Length 3% inches. Crosswicks Creek near Trenton. 
This is the most abundant sucker in the Delaware. During 
the winter months it is sought for by anglers, and is then a tol- 
erably good food-fish. As the warm spring days approach they 
begin to form schools and ascend the creeks and small streams in 
numbers, when they are mostly taken in cast-nets. The best 
time for this fishing is during a warm spell after a rain when the 
water becomes muddy. The fisherman usually wades into shal- 
low pools among rapids, or frequently with more success if near 
the foot of a water-fall. Loud talking or even shouting does not 
appear to disturb the fish, as on such occasions I have noticed 
