^80 PROCEEDINGS OF THE NATIONAL MUSEUM. 



advance of the anal, and behind the large spine on the back; caudal, 

 3i in the length of the carapace; pectoral large, equal to the snout, 

 which is twice as long as the depth of the caudal peduncle. 



Color in alcohol dull brownish, under surface of the carapace plain; 

 sides of body with blackish blotches forming 5 indistinct bars obliquely 

 directed backward; a ])lackish spot on spine of the back, l>ase of dor- 

 sal, caudal peduncle, base of anal; and 2 blackish bars across caudal fin; 

 interorbital region and tip of the snout dark. Length, l^^^g inches. 

 Here described from an example from Cavite, Philippine Islands. 



This common East Indian species has been once recorded by Bleeker 

 from Kaminoseki in the Inland Sea of Japan. It may be known at 

 once by the hump-like spine on the back. It was not seen by us in 

 Japan. 



{gthhosus, gil)ljous. ) 



21. OSTRACION IMMACULATUM Schlegel. 

 GINHAGI (SILVEE SCRAPER); HAKO FUGU (BOX PUFFER). 



Ostracionimmaculafiix Schlegel, Fauna.Japonica, Poiss., 1846, p. 296; 



Bleeker, Nalez, Ichth. Japan, 185.S, p. 55; Nagasaki. — Brevoort, Exped. 



Japan, 1856, p. 284; Shimoda. 

 Ostracion cubicas Ishikawa, Prel. Cat., 1897, p. 3; Misaki. 



Head 4; depth 2f ; D. 9; A. 9; scales 11 from gill opening to end 

 of carapace, 9 across widest part of ventral region, 7 across widest 

 part of dorsal region, and 7 across widest part of lateral region. 

 Head small; profile in front steep; snout protruding, concave above; 

 mouth low, level with base of pectoral, subinferior; eye high, 3 in 

 head, 2 in snout, and 2 in interorbital space; lips thick and fieshy; 

 teeth rather small and pointed; interorbital space concave; nostrils 

 small. Gill-slit behind eye, in front of pectoral, obliquely vertical, 

 about 2 in head, and with narrow fleshy flap; carapace -l-angled, 

 the edges rounded, and without any spines. Dorsal altogether in 

 advance of the anal, and a trifle higher; caudal long, obtusel}" convex, 

 about 1 in carapace; pectorals long, equal to dorsal and inferior in 

 position; scales of carapace mostly hexagonal on sides; caudal pedun- 

 cle rather thick, about equal to eye and gill opening. 



Color in alcohol brownish, pale below and dark above, where most 

 of the scales together with those of the sides show traces of a dark spot 

 nearly as large as the pupil; snout dark; fins all plain, with their outer- 

 most portion dark; caudal peduncle brownish, darker above, and with 

 traces of dark spots. In life olive with sky-blue spots on the scales 

 of the side. Length of longest example, 7i\ inches. Here described 

 from specimens from Hakata, and one from Nagasaki. The largest 

 specmien we have of this species is from Wakanoura, and is Sf inches 

 long. 



This trunkfish is connnon in tiie bavs Avashed bv the KuroShiwo from 



