Oshima: Fishes of the Family Centriscid^. ,263 



first dorsal spine, uppermost ray the longest; ventrals rudimentary, 

 inserted upon the carinated edge of abdomen, below the fifth rib, its 

 distance from the anterior orbital rims equal to that to the root of 

 the last anal ray; dorsal spines slender, inserted close together, con- 

 nected with the dorsal spine and with one another by a transparent 

 membrane, the uppermost spine much longer than the others; soft 

 dorsal ray slender and long, reaching beyond the end of the caudal; 

 caudal fin rather tiny, obtusely rounded. 



Color in alcohol uniformly pale yellow, with no markings; the 

 rostral tube, the place occupied by the air-bladder, and the broad 

 membraneous edge of the lower parts transparent; terminal spine and 

 all the fins whitish. 



Total length 147 mm. 



Described from a single specimen from Anpin near Tainan, col- 

 lected by M. Watanabe in the year 1919. 



Habitat: East Indies, north to Formosa. 



2. Centriscus capito Oshima, sp. nov. (Plate XIII, fig. 3.) 

 Taiwan Yoroi-uwo (Japan) (Formosan armour-fish). 



Head 2.72 in the total length ; depth 6.81 ; width of head 9.75 in its 

 length; interorbital space 10.75; ^ye 10.75; i-5 ii^ postorbital part; 

 D. Ill, 10; A. 12; P. 10; V. 4. 



Body very much compressed, elongate, thin, and very slightly 

 rounded above, tapering below to an extremely thin, drawn-out cut- 

 ting edge ; head tapering into a long tubular snout, having a small 

 terminal mouth ; dermal skeleton ends posteriorly in a sharply pointed, 

 long spine; interorbital space rather flat, with a shallow median 

 groove, both sides of which longitudinally striated; rostral tube com- 

 pressed into a cutting edge inferiorly; mouth terminal, a single pore, 

 with no teeth; nostrils lateral, close together, situated in front of the 

 orbit; eye moderate, posterior; operculum ovate, slightly longer than 

 high, antero-inferior edge acutely pointed downwards; suboperculum 

 broad anteriorly, curved and tapering posteriorly; prse- and inter- 

 operculum united, thin and transparent, forming a broad membranous 

 margin below the throat. 



The back of the trunk cuirassed by a bony sheath, which extends 

 downwards nearly to the middle of the sides, having a shallow notch 

 before and above the pectoral; the posterior end of the cuirass pro- 



ANN. CAR. MUS., XIII. l8, FEB. 21, I922. 



