THE FISHES OF NEW JERSEY. 147 



upper edge of pectoral pale dusky. Length 2^ /^^ inches. Batsto 

 River. Type of Notropis chalyhmis abbotti Fowler. There are 

 also eighteen paratypes with the same data. 



Color in life clear brownish on back, above and top of head 

 dusky tinted with a pale brownish. An indistinct median dusky 

 shade from occiput to dorsal. Edges of scales of back dusky. 

 Back and upper surface in some lights showing metallic tints of 

 pale brassy and golden and having in this also a more or less 

 transparent effect, especially in sunlight. In the same it is also 

 very distinct about the costal region, due to the pale peritoneum 

 which encircles the air-vessel above. Lower surface of body 

 whitish in young examples, posteriorly more translucent than in 



Abbott's Minnow. Notropis chalybtrus abbotti Fowler. 



adults. Peritoneum showing through bright silvery-white. 

 Lower surface of head silvery-white. A jet-black lateral band a 

 little wider than pupil extends from tip of snout, includes tip of 

 mandible, crosses iris and side of head and reaches base of 

 caudal, which in some lights has a most resplendent or brilliant 

 blue-green sheen. Adjoining black lateral band above a pale 

 area, separating former from color of back. Abdomen medianly 

 with a number of blackish points. Along base of anal, and con- 

 tinued thence also on preanal region in some cases, and lower side 

 of caudal peduncle in others, are also a number of blackish 

 points, most distinct or pronounced along base of anal. Fins 

 transparent more or less. Caudal with a dilute umber-brown 



