266 SCLERODBRMI. 



p, q. Several examples, adult, half-grown, and young. Amboyna. 



Purchased of Hr, Frank. 

 r. Half-grown. Siam. Purchased of Mr. Jamrach. 

 s. Adult : skin. India. Purchased of Mr. Warwick. 

 t, u, V. Half-grown and young. China. 

 w. Adult: skin. Island of Nairai (Feejee Islands). Voyage of 



H.M.S. ' Herald.' 

 oe-y. Half-grown. Micronesia. Purchased of Mr. Wright. Very 



young. New Gmnea. Presented by Mrs. Stanley. 

 ^, a, /3, y-l, €-<;. Adult (14 inches long), half-grown, and young. 

 ij-/f. Adult, half-grown, and young : skins. 



/3. Abacana. 



Aracana, Gray, Ann. Nat. Hist. i. p. 110. 



Acerana, Capropygia, Kentrocapros, et Anoplocapros, Katm, Wiegm. 

 Arch. 1855, p. 219. 



Carapace not closed behind the anal fin. 

 Japanese and Australian seas. 



1. Aracana aculeata. 



Ostracion aculeatu?, Houtttiyn, Verh. Holl. 3faatsch. Wet. Haarlem, 



XX. 2. 1782, p. 3465 Bl. Schn. p. 500. 

 hexagonus, Thunberg, Vet. Ac. Nva Handl. xi. 1790, p. 107, 



tab. 3 ; £1 Schn. p. 502. 

 stictonotus, Schleg. Faym. Japan. Poiss. p. 297, tab. 131. fig. 3 ; 



Bleek. Vei-h. Ak. Wet. i. Japan, p. 15. 



Carapace six-ridged, there being a ridge along the middle of each 

 side ; no crest on the back or abdomen ; a naked stripe in front of 

 the vent. No supraorbital spines ; a short flat spine in the middle 

 of each dorsal and ventral ridge ; sometimes some additional spines 

 on the lateral and ventral ridges. The upper half of the body with 

 brown spots. 



Japan. 



a-b, c-e. Adiilt (6 inches long) and half-grown. Japan, 



2. Aracana nnistriata. 



Acerana (Capropygia) unistriata, (Cfrag) Kaup, Wiegm. Arch. 1856, 

 p. 220. 



Body ^x-ridged. Four large compressed spines; one on each 

 lateral dorsal ridge and one near the end of each ventral ridge. No 

 supraorbital spines. Interorbital space concave. A blackish lon- 

 gitudinal band from the eye along the side. 



Habitat ? 



a-c. Types of the species : skins, 3-4| inches long. 



3. Aracana aurita. 



Ostracion auritus, Shaw, Nat. Misc. tab. 338, or Gen. Zool. v. p. 429, 

 pi. 173; Lac6p. Ann. Mus. iv. p. 58; Richards. Trans. Zool. Soc. 

 lii. p. IGO, tab. 9. 



