536 PROCEEDINGS OF THE ACADEMY OF [DeC, 



Notropis hudsonius (Clinton). 



Head 4I-; depth 4|; D. iii, 7, i; A. iii, 7, i; scales 37 + 1; scales 

 above 1. 1. 5; scales below 1. 1. 5; predorsal scales 15; snout 3-^ in head; 

 eye 3|-; mterorbitar3|^; teeth 2, 4-4, 1? Body compressed. Head 

 small, compressed. Snout broadly convex, length | its width. Eye 

 high. Mouth large, well inclined. Maxillary to eye. Mandible 

 included. Interorbital depressed. Rakers 3 + 5 short firm points. 

 Scales well exposed. L. 1. almost straight, slightly decurved, complete. 

 Dorsal origin about midway between posterior nostril and caudal base. 

 Anal rather close behind dorsal base. Caudal forked, lobes pointed, 

 equal. Pectoral i to ventral, latter inserted little before dorsal origin, 

 ■f to anal. Color pale brownish above, below white. Broad silvery 

 band along side. Black spot at caudal base. Iris silvery-white. 

 Length 2f inches. Lake Erie at Erie (Erie Co.). 



This fish, closely related to the next, occurs only west of the Alle- 

 ghanies. It is characterized chiefly by the ever present jet-black 

 caudal spot. It is said to reach 10 inches in length, and not frequent 

 small streams. Desirable as a bait minnow. 

 Notropis hudsonius amarus (Girard). 



Head 3f to 4f ; depth 3| to 5; D. iii, 7, i, rarely iii, 8, i; A. iii, 

 7, I, rarely iii, 8, i ; scales usually 35 or 36, frequently 34 or 37, occa- 

 sionally 33, 38 or 39, rarely 31, 40 or 42 + usually 2, rarely 1 or 3; 

 usually 6 scales, seldom 5, rarely 7, above 1. 1.; usually 5 scales, seldom 

 4, rarely 6, below 1. 1. ; usually 15, frequently 14, often 16, seldom 13, 

 rarely 17 or 22, predorsal scales; snout 3 to 3|- in head; eye 2f to 3|; 

 maxillary 2f to 3|-; interorbital 2^ to 3yo-; teeth usually 1, 4-4, 1, 

 frequently 2, 4-4, 2 or 2, 4-4, 1 or 1, 4-4, 2, rarely 0, 4-4, 1 or 2, 4-4, 

 or 2, 4-3, or 1, 4-4, or 0, 4-4, 0. Bodj^ compressed, rather robust. 

 Head rather broad, compressed. Snout convex, length f its width. 

 Eye little elongate, rounded. Mouth somewhat oblique. Jaws about 

 even. Maxillary to hind nostril. Interorbital convex, middle flat- 

 tened. Rakers 2 + 5 short weak points. Scales well exposed. L. 1. 

 complete, little decurved, midway along caudal peduncle side. Dorsal 

 inserted little nearer snout tip than caudal base. Anal inserted little 

 behind dorsal base. Caudal forked, lobes pointed. Pectoral about 

 f to ventral, latter inserted slightly before or opposite dorsal origin, 

 reaches f to anal. Color pale olivaceous-brown largely. Scale edges 

 on back dusted darker. Broad silvery- white lateral band from eye 

 to caudal, margin above on trunk behind leaden. Caudal spot faint 

 or absent. Iris silvery-white. Length 2y'6- to 5i inches. Many 

 examples: from the Delaware R. basin, in Black Horse Run and 



