142 REPORT OF NEW JERSEY STATE MUSEUM. 



Notropis bifrenatus (Cope). 

 Bridled Minnow. 



Several nearly adult examples in the Pensauken Creek, near 

 Merchantville, Burlington county, on January 7th, 1906. 



In a cut-off, tributary of Saddle Creek, in the Passaic basin of 

 Bergen county, near Ridgewood, I found these little minnows 

 very abundant on July ist, 1901, when very many adult examples 

 were secured. 



Found in Edward's Run, tributary of Mantua Creek, Glou- 

 cester county, November 3d, 1907, by B. W. Griffiths and H. W. 

 Fowler. 



Notropis procne (Cope). 



Swallow Minnow. 



Head 4; depth 4^/^ ; D. iii, 7. i; A. iii, 6, i; P. i, 10; V. i, 7; 

 scales 32 in lateral line to base of caudal and 2 more on latter; 

 5 scales obliquely back from origin of dorsal to lateral line; 4 

 scales obliquely up and forward from origin or anal to lateral 

 line; 12 scales before dorsal; width of head 1% in its length; 

 depth of head at occiput 1^/3 ; snout 3^4 ; eye 3^ ; maxillary 3; 

 interorbital space 2^/^ ; first branched dorsal ray about 1^/15; 

 first branched anal ray 1^/7; least depth of caudal peduncle 2% ; 

 pectoral ij^; ventral i^/c; upper caudal lobe 3^. Body elon- 

 gated, compressed, rather slender, profiles similarly convex, 

 greatest depth at origin of dorsal, and edges of body rounded. 

 Caudal peduncle rather slender, compressed, and its least depth 

 about half of its length. Head small, compressed with flattened 

 sides slightly converging- below, and upper profile a little more 

 abruptly inclined than lower. Muzzle obtuse. Snout short, 

 convex both over surface and in profile, and its length about Ys 

 its width. Eye moderately large, high, a trifle longer than deep, 

 and its center falling about first ^/^ in length of head. Mouth in- 

 feriorly terminal, moderate, but little inclined, and when closed 

 upper jaw slightly projecting. Premaxillary protractile down- 



