1897.] NATURAL SCIENCES OF PHILADELPHIA. 123 



small, scarcely larger than some of the numerous pores which sur- 

 round the eye, the anterior round with a circular marginal valve, 

 the posterior oblong with a valve on lower side; eye If in snout, 

 low, a line drawn from corner of mouth to angle of opercle passes 

 along lower edge of orbit ; jaws projecting, the upper without 

 canines ; cheeks with only two rows of scales. Origin of dorsal and 

 root of pectoral in the same vertical, which is anterior to tip of 

 opercle. Tips of last dorsal and anal rays reach base of rudiment- 

 ary caudal rays. Caudal truncate, slightly rounded when the fin is 

 spread. Back dusky olive, a pale yellowish streak from upper side 

 of eye to upper base of caudal, below this a band similar in color to 

 the back extends from eye to caudal, sides below pale, with an in- 

 distinct dusky streak from above pectoral to caudal ; a horizontal 

 green stripe from upper end of gill-opening forward through upper 

 edge of eye and across top of snout ; another parallel with this from 

 gill-opening through lower edge of eye and around upper lip; lower 

 lip white, edged with green, a green band across chin, and a pair of 

 indistinct green blotches on throat; breast washed with green ; base 

 and edge 'of dorsal and anal green, a broad white stripe through the 

 middle of each ; upper and lower rays of caudal white tipped with 

 orange, edged on each side with green, the middle rays pale dusky 

 green, paler at base ; pectorals and ventrals white, the former not 

 dusky at base ; teeth white. 



This species is most nearly related to Scams cceruleus, but differ- 

 ing decidedly in the color markings. 



The above description is based on a single specimen 6 in. long. 



EPHIPPIDJE. 



152. Chsetodipterus faber (Broussonet). Portuguese. 



Chatodon faber Broussonet, Ichth. Decas., 1, V, t. 4, 1782. 

 Chatodiptertis faber, Jordan & Gilbert, Synopsis, 613. 



CHJETODONTID.^]. 



153. Chsetodon ocellatus Bloch. 



CJnrtodon ocellatus Bloch, Ichthy., pi. 211, fig. 2, 1787; Eigenmann & Horn-- 

 ing, Chretodontidse, 7. 



Dorsal, anal, forehead and edges of gill-covers yellow. 



154. Chaetodon striatus Linnaeus. Butterfly. 



Oxetodon striatus Linnaeus, Syst. Nat., Ed. X, 275, 1758 (India); Eigen- 

 mann & Horning, Beview Chietodontidae, 8. 



Side whitish, with narrow dark lines between the rows of scales, 

 a black stripe from occiput through eye to lower side of head ; a 



