-276 REPORT OF NEW JERSEY STATE MUSEUM. 
Rhinichthys atronasus (Mitchill). 
Black Nosed Dace. 
Black Nosed Dace. Rhinichthys atronasus (Mitchill). 
Hybopsis kentuckiensis (Rafinesque). 
PLATE Qo. 
Horny Head. 
Family CATOSTOMATIDZ. 
Catostomus nigricans (Le Sueur). 
PLATE OI. 
Black Sucker. 
Erimyzon sucetta oblongus (Mitchill). 
Chub Sucker. 
A fine example taken in a small cut-off of Mantua Creek just 
‘above Mantua. Color when fresh olivaceous-brown above, 
deepest on back, and becoming paler or whitish below. Sides and 
lower surface, especially former, tinted with pale gamboge or 
light olive, giving somewhat old brassy reflections. Edge of 
each scale on back and sides olive or a little darker than general 
coloration. Along middle of side of trunk, from opercle to base 
