708 GEOLOGICAL SURVEY OF NEW JERSEY. 

 Family AMMODYTID^E. 



Sand Launces. 



Scales small, cycloid ; head long ; mouth large ; no teeth ; gill 

 openings very wide ; pseudobranchs large ; premaxillaries very pro- 

 tractile ; spinous part of dorsal nearly absent ; soft part extends 

 along nearly whole of back ; no ventrals ; no air-bladder ; size small ; 

 swim in schools and often bury in sand. 



AMMODYTBS, L. 



A. americarme, De K. Sand Launce (or Lance). Sand Eel. Lant. 



Body lanceolate, with twenty-five transverse, oblique folds of 

 skin having cross series of small cycloid scales between them ; a 

 fold of skin along each side of belly ; color olivaceous above, 

 silvery below ; sides with a steel-blue stripe. Dorsal rays, 60 ; 

 anal rays, 28. 



" This curious fish is not un frequently met with in our waters, 

 but does not appear to be abundant at any time." 



Family ECHENEIDIDJE. 



Remoras. 



Body fusiform, with minute cycloid scales; mouth wide, with villi- 

 form teeth on jaws, vomer, &c. ; premaxillaries not protractile ; lower 

 jaw projects beyond upper ; spinous dorsal modified into a sucking 

 disk on top of neck, by which the fishes attach themselves to floating 

 objects ; ventrals thoracic ; no air-bladder. 



EOHBNEIS, L. 



B. naucrates, L. (albicauda, lineata, holbrooki, &c. Refer to varieties with 

 long disk and twenty-one lamina, &c.) Pegador. 



Body slender ; thirty vertebrae ; brownish ; belly like back ; 

 sides with a black stripe edged with white ; tail fin black, whitish 

 at outer angles ; other fins black, with white edges ; lower jaw 



