144 REPORT OF NEW JERSEY STATE MUSEUM. 
base of caudal, being separated from latter only by a narrow pale 
space. On trunk lilac and bluish reflections. At base of each scale 
at beginning of each tube in lateral line a deep dusky or blackish 
spot. Dorsal and caudal dull grayish, former with dusky tinge 
at bases of posterior rays, and latter with a black spot about size 
of pupil at bases of median caudal rays. Other fins all trans- 
parent whitish, upper edge of pectoral a little grayish. Length, 
113/,, inches. Delaware basin in Mantua Creek at Mantua, Glou- 
cester county, April 8th, 1906. $S. H. Hamilton and H. W. 
Fowler. The above is the only New Jersey example I have seen. 
Notropis hudsonius amarus (Girard). 
Gudgeon. 
I have examples from Haddonfield, taken by E. D. Cope many 
years ago. 
Notropis analostanus (Girard). 
Silver Fin. 
A number, mostly small, were taken in the Pensauken Creek, 
near Merchantville, January 7th, 1906. 
Color in life above dilute brownish with an olive tint. Edge of 
each scale on back dusky, and as they ascend to median dorsal 
region becoming more profusely pronounced dusky along edges, 
and in fact this extending well over each scale of median dorsal 
line. Below body silvered whitish, though under surface of 
caudal peduncle becoming translucent. Peritoneum showing 
through body-walls as bright white. An underlaid silvery band 
extends from eye to base of caudal, and very distinct in some 
lights. Iris silvery-white. Caudal slightly tinged with ruddy. 
Dorsal pale or somewhat translucent whitish, with white satiny 
distally, rather slightly developed, and traces of dusky midway 
on posterior rays. Other fins translucent. After death sides of 
body with greenish and golden reflections. Described from an 
adult taken in Chestnut Branch of Mantua Creek, near Sewell, 
