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, 36X13; 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. & Val. (Fundulus, Hydragyra, Haplbchilus, Incite.) 

 Top Minnow. 



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

 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 dorsa] ; 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 Killifish, 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, 11 ; 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." 



