36 BULLETIN OF THE BUREAU OF FISHERIES. 



Family MONACANTHIDjE. 



MONACANTHUS Cuvier. 



187. Monacanthus chinensis (Blooh). 



Head 2.30 in length: depth 1.10 equal to length without caudal peduncle; dorsal I, 28; anal 28. Color 

 brownish gray, with numerous small dots of brown, caudal with dusky tip. One small specimen an inch 

 long from Manila. 



188. Monacanthus nemurus (Bloch). 



Head 3.10 in length; depth 2.12; eye 4.20 in head; dorsal spine with a row of spinules on each side, 

 1.75 in head; dorsal 28; anal 29. Color brownish gray, mottled with darker blotches; caudal with 2 dusky 

 bands. Three specimens from Manila, length 3 inches, and 2 specimens from island of Panay, 1.50 and 3.50 

 inches long. 



ALUTERA Cuvier. 



189. Alutera monoceros (Osbeck). 



Head 3 in length; depth 2.25; eye 4.75 in head; dorsal 48; anal 50; dorsal spine feeble, without barbs, 

 situated over middle of eye, its length 3.50 in head; caudal 1.30. Color uniform brownish, posterior part of 

 caudal shaded with dusky. One specimen from Manila, length 5 inches. 



Family 0STRACIID.€. 



0STRACI0N Linnaeus. 



190. Ostracion cornutum Linna?us. 



Head 3 in length; depth 2.10; eye 2.05 in head. This well-known species is easily distinguished by the 

 long cow-like orbital spines, about equal to length of head. Color grayish or yellowish white, without dots. 

 Five specimens from Cavite, length 1 to 2.50 inches. 



191. Ostracion gibbosum Linnanis. 



Head 3 in length; depth 2. Four ridges to carapace, the 2 upper much closer together and surmounted 

 by a very large strong spine; 4 strong spines along lower lateral ridge. Color yellowish white, with about 4 

 dusky oblique bars on side. Eleven specimens from Cavite, length 1 to 2.50 inches. 



192. Ostracion tuberculatum Linnanis. 



Head 2.10 in length; depth 1.20; eye 2.20 in head; carapace four-ridged, without sharp spines; a ridge 

 with blunt short spine on middle of carapace. Each plate with a round brown spot about size of pupil. 

 Three specimens from Cavite, length 0.50 to 1 inch. 



Family TETRA0D0NTIM. 



SPHEROIDES (Lacepede) Dumeril. 

 193. Spheroides lunaris (Bloch). 



Head 3.20 in length; depth 3.10; caudal lunate. Color grayish above, white below; top of caudal 

 peduncle dusky. Five specimens from Cavite, length 2 to 4.50 inches, and 2 from Manila, 4 inches long. 



The Japanese species called Spheroides spadiceus (Richardson) is probably not distinct from Sphinx,/, 

 lunaris. 



194. Spheroides ocellatus (Osbeck). 



Back covered with small spines from interorbital space to dorsal fin. side naked, belly spiny. Brownish 

 above; one or more wide blackish cross-bands, one on middle of back, one very indistinct from base of dorsal; 

 tip of head and snout dusky; whitish spots over hack and side separated by narrow brownish network, tip 

 of caudal dusky. Two specimens from Manila, length 2.75 and 3.75 inches. 



