694 GEOLOGICAL SURVEY OF NEW JERSEY. 



near tip of anterior ray of anal ; teeth in broad bands ; males 

 dull green ; belly yellow ; sides with silvery spots and bars ; 

 vertical fins dark, with pale spots ; dorsal with dark spot ; anal 

 and ventrals and under part of head yellow ; young males with 

 dark bars ; females plain olivaceous, lighter below. Dorsal rays, 

 11; anal rays, 11; scales, 3GX13; length, 3 to 5 inches. 

 Grandis is a larger southern variety, and pisculentus has wider 

 head. Most abundant of Cyprinodonts for United States. 



" This is not a very abundant Cyprinodont. It is found asso- 

 ciated with allied species. They have no habits peculiar to them- 

 selves." 



ZYGONBCTBS, Ag. 



(Micristius.) 



Z. cingulatus, Cuv. <.t Val. {Fnndulus, Hydragyra, Haplochibis, lucix.) 

 Top Minnow. 



This genus differs from the preceding in the smaller size, dor- 

 sal farther back and smaller ; swim on the surface and feed on 

 insects (not exclusively) ; body short and deep ; anal larger than 

 dorsal ; ten to twelve vertical dark bars on sides ; a black behind 

 a white spot on dorsal ; other fins immaculate. Dorsal rays, 8 ; 

 anal rays, 9. 



" Prof. Baird discovered this species at Beesley's Point. It 

 proves to be quite common in the brackish waters of the State, 

 generally." 



LUCANIA, Grd. 



L. parva, Bd. & Grd. {Cyprinodon.) Little Killifisb, or Top Minnow. 



Elongated ; head less than one-fourth the length ; female plain 

 light olive ; male, dorsal and caudal bright yellow ; anal orange 

 and each margined with black ; dorsal with black spot at base. 

 Dorsal rays, 1 1 ; anal rays, 9 ; rows of scales, 26 to 28 ; very 

 small. 



" This species was first made known to naturalists by the 

 description of Baird, who distinguished its specific characters as 

 distinct from the preceding, from specimens taken at Beesley's 

 Point." 



