98. CH^TODONTIDiE POMACANTHUS. G15 



tropical seas; most of them have the body crossed by transverse black 

 bars, ixfj^i'rj, bristle; oJwv, tooth.) 



963. f. cssrai^iBiociBicliis (Gill) J. <Sc G. 



Oli^■aceolls, darker above; a dark-brown band from beginning of dor- 

 sal (in obUquely forwards through eye and across the cheeks; a second 

 bar beginning in a blotch on soft dorsal, runs vertically across the body. 

 Body suborbicular, closely compressed ; profile steep, concave, tlie short 

 snout projecting; mouth very small, maxillary not reaching the vertical 

 from the anterior nostril; caudal peduncle very short ; lateral line, begin- 

 ning at upper angle of opercle, running obliquely upwards to opposite 

 the base of soft dorsal and then decurved, ending opposite extremity 

 of soft dorsal. Head 2| in length; depth U. D. XII, 10; A. Ill, 17. 

 Atlantic coast, rare, 



{Sarofhrodiis macidochietiis Gil!, Proc. Acai. Nat. Sci. Phila. 1831, 1)9.) 



329.— POMACAIVTHUS Lacdpede. 

 [Chct'todon, Holacanthus, and Acaniliocha-.todon Bleeker.) 

 (Lac^pede, Hist. Nat. Poiss. iv, 517, 1802: typo Chcvtodon arcuatus L.) 



This genus diliers from Chcvtodon chiefly in the presence of a strong 

 spine at tlie angle of the preopercle. Body much compressed and ele- 

 vated; dorsal tin entirely scaly, with 8-15 spines; the anal with 3; 

 scales moderate or small; branchiostegals 6 ; air-bladder with 2 poste- 

 rior horns ; pyloric coeca numerous. Species numerous in the tropical 

 seas. Many of them are brilliantly colored. (-w/7.a, oi^erculum ; u/.a>Oa^ 

 spine.) 

 a. Dorsal spiues 12 to 15. (HolacaitthiDi* hac.) 



9G4. P. eaPflai'JS (Linn.) J. & G.. — Angel-Ji.'ih ; InahdUa. 



Brownish olive, each scale with a crescent-shaped mark of lighter ; 

 nape with a dark -brown spot ocelhited with blue ; chin, base of ])ectoral. 

 borders and spines of opercle aiul i)reopercle bright cobalt blue ; fins 

 with blue and yellow. Body oblong, compressed and elevated; mouth 

 small; scales ciliate; soft dorsal and anal with the anterior rays pro- 

 duced in long streamers. Head 4 in length ; deptii about 2. D. XIV, 

 20; A. HI, 20; scales 8-50-30. West Indies, occasional on our South 

 Atlantic coast. 



(Chwtodon dVuins Linn. Sj'St. Nat.: Holacatiihiis ciliaris Laccpc'do, Hist. Nat. Poiss. 

 iv, 527, 1802: Holacanthus ciliaria Giinthcr, ii, 4G: Holacanthus ciliaris Goode, Bull. U. 

 S. Nat. Mu8. V, 4:5.) 



*Lac^pcdo, Hist. Nat. Poiss. iv, 525: type Chwlodon tricolor Bloch. (oAoS, complete; 

 axavOa, spine.) 



