534 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



g. CH^TODON COLLARIS Bloch. 

 CHOCHOUWO, BUTTERFLY-FiSH; rCIIIWAl>AJ (FAN, I'FKCH). 



Chxtodon coUaris Bloch, Ichth., 1785, pi. tcxvi, tig. 1; Japan. — Cuvier and 

 Valenciennes, Hist. Poiss., 1831, VII, p. 53, (copied, not Cludodon or Telrn- 

 gonopterus coUaris, Bleeker, which is an East Indian species with dusky 

 ventrals ) . 



ChcCtodon aurei(K Schlegel, Fauna Japonica, Poiss., 1847, ]>. 81, ]>]. xlii, fig. 1; 

 Nagasaki (not ('Invtodon anreua Black). — Richardson, Ichth. China, 1846, 

 p. 246; Canton. — GItnther, Cat. Fish., II, 1860, p. 29, copied. — Ishikawa, 

 Prel. Cat., 1897, ]}. 52; Tokyo, Saganii Bay, Kagoshinia. 



Chsetodon auripes Jordan and Snyder, Check List, 1900, ]>. 90 (substitute for 

 aureus, preoccupied ) . 



Head 3|; depth If; D. XII, 23; A. Ill, 20; P. I, 15; V. I, 5; scales 

 about 45 (squamation damaged). Body short, deep, and strongly com- 



H.^TOIION COI.I.ARIS 



])ressed; scales large on the sides, small on the head, soft dorsal and 

 anal, and the base of the caudal. Head small, the profile very steep; 

 snout produced and pointed; eye a little greater than the snout and 3 

 in the head; mouth small, the maxillary extending to the first nostril; 

 n(jstrils small, close together and in front of the eye; teeth curved 

 and })r()iecting in l)rush-like l)ands in each jaw; interorbital space 

 convex: gill-opening long, the m(Mu})rane a narrow free fold across 



