CATALOGUE OF VERTEBRATES. 681 



SQUALIUS, Bonap. 



(Telestes. Clinostomus. Tigoma, &c.) 



S. funduloides, Grd. {carolinus.) Gold-thread Eoach. Rosy Dace. 



Teeth compressed, close set, hooked, two-rowed, two teeth in 

 lesser row ; teeth without grinding surface ; mouth wide and 

 oblique ; lower jaw projecting ; dorsal fin well backward ; head 

 moderate ; eye large ; dusky above ; a dark lateral band below 

 a paler streak ; yellowish below, red in spring males. 



" This handsome little 'shiner' was found by the writer to be 

 very abundant in the Delaware where the Assanpink Creek 

 enters it; but no specimens were taken in any of the small 

 creeks flowing into the river." — [C. C. A.] 



S. margaritus, Cope [Leuciseiis). Gold-thread Shiner. Pearly Dace. 



Body stout; head blunt; mouth small, oblique; eye large; 

 scales small ; fins large ; dorsal posterior ; dusky olive above ; 

 sides silvery; belly white; crimson in spring males. Length, 

 3 inches; lateral lines, 58. Susquehanna- basin. 



"Associated with the preceding were several specimens of this 

 allied species, which has been lately discovered and described by 

 Prof Cope, of Haverford College" (18(38). 



NOTBMIGONUS, Raf. 



(Stilbe. Abramifs. Cyprinus.) 



N. chrysoleucus, Mitch, {cwiericanus, versicolor, Leuciscus, Leucosovms, 

 Luxilus, &c.) Golden Shiner. Bream. Roach. 



Teeth one-rowed, serrate, with grinding surfaces ; lateral line 

 decurved, continuous ; abdomen rounded ; belly keeled behind 

 vent ; tail not keeled ; head small, conic ; mouth small, oblique, 

 without barbels ; dorsal fin well back ; clear greenish above ; 

 sides silvery and gold ; fins yellowish, tipped with orange in 

 spring males. Length, 12 inches; anal rays, 13. Has some 

 resemblance to shad. 



" The roach is everywhere met with in New Jersey, preferring 

 still waters, with an excessive growth of vegetation upon the 

 bottom of the stream. In these masses of vegetation it conceals 

 itself from the attacks of the pike, which latter feed almost 

 exclusively upon them." 



