THE FISHES OF NEW JERSEY. 353 



domen and meeting its fellow below. A third band still broader 

 above from tips of last dorsal rays sloping back below till across 

 middle of base of anal. A dark streak obliquely back from tip 

 of rayed dorsal across side of caudal peduncle and then continued 

 down on anal basally. Margins of rayed dorsal and anal, and 

 caudal, latter broadly, whitish. A broad submarginal band on 

 each of these fins of brown, separated from whitish border by a 

 darker shade of brown. Ventrals deep dusky-brown, spine pale. 

 Fins otherwise pale. Length 4^/1 « inches. Delaware Bay. 



This species, evidently a straggler from tropical America, is 

 only known to me from our shore by the above described ex- 

 ample. It is in the collection of the Academy of Natural Sciences 

 of Philadelphia, and was obtained many years ago from Dr. 

 Harlan. 



Genus Pomacanthus Lacepede. 



The Black Angels. 



Pomacanthus arcuatus (Linnasus). 



Plate iz. 



Black Angel. 



Head 3^/7; depth i^ ; D. with 24 rays; A. Ill, 28; enlarged 

 scales guessed at 44 in lateral line to base of caudal ; about 8 en- 

 larged scales between origin of rayed dorsal and lateral line; 

 about 20 enlarged scales in a vertical series between origin of 

 spinous anal and lateral line; second dorsal ray 2 in head and 

 trunk; sixth anal ray i^Ao ; first ventral ray 2^; pectoral 4; 

 caudal 4% ; snout 2 in head, measured from tip of upper jaw; 

 ^y^ 3/^5 maxillary 4; preopercular spine 4; least depth of 

 caudal peduncle 1%., Body deep, back elevated. Caudal peduncle 

 short. Head short, its upper profile steep, at first concave with a 

 little bulge just before eye, and then concave to dorsal. Snout 

 long. Eye small, high, circular, and a little posterior in head. 

 Jaws protruding, especially lower which projects beyond upper in 

 front. Teeth fine, brush-like. Margin of preopercle oblique, en- 

 tire, and base of its spine below front of orbit. Preopercular spine 

 23 MU 



