238 BLENKHD^. 



the eye (in a specimen not full-grown). The anterior part of the 

 dorsal fin elevated ; caudal emarginate. A fringed tentacle above 

 the orbit ; small skinny flaps on the side of the head. Yellowish, 

 marbled with brown ; sometimes two or three occllated spots with 

 yellow centre along the back. 



Red Sea. [Seas of Banda Neira and Amboyna.J 



a. Eed Sea. 



22. Petroscirtes barhatus. 

 Peters in Wiegm. Archiv, 1855, p. 24S. 



B. 6. D. 26. A. 18. 



The height of the body equals the length of the head, and is con- 

 tained three times and two-thirds in the length of the body (without 

 caudal). The length of the snout equals the diameter of the eye, 

 and is twice the width of the interorbital space. A branched ten- 

 tacle above the orbit, and a pair of simple ones at the chin. The 

 anterior portion of the dorsal elevated ; caudal pointed. Greenish, 

 with ferruginous spots; the vertical fins banded and spotted with 

 brown. (Pet.) 



Mozambique. 



The " Blennechis a dorsaie elevec " of Lienard (Dixieme Rapport 

 de la Societe Hist. Nat. Maur. p. 35) belongs either to this or to the 

 preceding species. 



23. Petroscirtes thepassii. 

 Uleek. Ternate, p. 136. 



B.7. D.28(A). A. 17. 



The height of the body is contained eight times in the total length, 

 the length of the head four times and a half. Snout rather acute ; 

 a small tentacle above the orbit. The three anterior dorsal rays are 

 sepai-ated from the others by a notch. Body and vertical fins 

 marbled with brownish. {M.) 



Sea of Ternate. 



The " Blennechis marbre " (Lienard, Dix. Rapp. Soc. Hist. Nat. 

 Maur. p. 36) shows the same peculiarity in the structure of the 

 dorsal fin, has the same number of rays, and appears to be closely 

 allied to the above species. 



24. Petroscirtes anolis. 

 Blennechis anolius, Cuv. §• VaL xi. p. 288. 

 D. 29. A. 22. 



Head elevated into a high crest ; snout somewhat elongate. Five 

 or six of the middle dorsal rays very elongate, filiform. Greenish, 

 with darker vertical lines ; head with some silvery streaks ; cheek 

 and base of the pectoral with a black spot ; fins yellowish ; dorsal 

 blackish anteriorly, with numerous fine oblique brown stripes. {Vol.) 



Port Jackson. 



