THE FISHES OF XEW JERSEY. 349 



head and fins. Tubes of lateral line simple, large. V'entral with 

 scaly axillary flap. Third dorsal spine slender, much longer than 

 others. Rayed dorsal inserted about midway between posterior 

 edge of orbit and base of caudal, and anteriorly with a long 

 slender falcate lobe. Anal spines small, graduated to last, which 

 is longest. Rayed anal similar to rayed dorsal, and its insertion 

 falling nearer base of caudal than origin of pectoral. Caudal 

 deeply lunate, lobes not distinct, pointed. Pectoral short, half 

 way to rayed anal, and placed below eye. Ventral long, pointed^ 

 a little over -/^ of rayed anal. Grayish with m-etallic reflections. 

 Ventral dusky. Length 1454 inches. Anglesea. 



The above example was secured by Mr. Wm. J. Fox in July, 

 1903. ]\Ir. Fox also observed it at Sea Isle City during the early 

 summer of 1905. An excellent food-fish reaching a length of 3 

 feet. 



Bphippus faber Abbott, Geol. X. J., 1868, p. 811. 



Bphippus gigas Abbott, 1. c. 



Family CH^TODONTIDiE. 



The Butterfiy Fishes. 



Body strongly compressed, elevated, suborbicular in outline.. 

 I\Iouth small, protractile, terminal. Eyes lateral, of moderate 

 size. I\Iaxillary very short, irregular in form, divided in two by 

 a longitudinal suture. Upper part of skull solid, occipital crest 

 strong. Post-temporal firmly joined to skull, its form really 

 trifurcate, though appearing simple, and interspaces between 

 forks filled by bone so that only a foramen is left. Last bone of 

 suborbital ring firmly joined to preopercle. Teeth brush-like or 

 setiform, often extremely long, in narrow bands in jaws. Xo' 

 teeth on vomer or palatines. X^o canines, molars or incisors. 

 Gill-membranes more or less attached to isthmus. Gill-rakers 

 very small. Pseudobranchise very large. Branchiostegals 6 or 

 7. Air-vessel present. Vertebras 10+14 = 24, anterior ab- 

 breviated. Insertion of ribs inferior. Post-temporal usually re- 

 duced and not bifurcate. Body covered with moderate-sized or 

 small scales, finely ciliated or nearly smooth. Lateral line pTes- 



