5. PETKOSCIRTES. 231 



length of the head one-tifth. Suout obtuse, rounded, scarcely pro- 

 jecting beyond the cleft of the mouth ; tentacles none. The width 

 of the interorbital space equals the diameter of the eye. A small 

 straight canine tooth in the upper jaw. The dorsal fin is not elevated, 

 and commences on the occiput. Violet, with two bluish longitudinal 

 bands on each side ; fins yeUow, the dorsal with seven, the anal with 

 five brownish blotches ; caudal with a large blacldsh spot at the 

 base. {Bl.) 



Sea of Amboyna. 



4. Petroscirtes taeniatus. 



Aspidontus tasniatus, Quoy Sf- Gaim. Voy. Astrol. Poiss. p. 719. pi. 19. 



fig. 4. 

 Petroscirtes paradiseus, Bleeker, Amhoina, v. p. 495. 



B. 6. D. 39. A. 26. 



The height of the body is one-sixth of the total length, the length 

 of the head one-fifth. Snout produced; tentacle none; the width 

 of the interorbital space is more than the diameter of the eye. The 

 dorsal fin is not elevated, beginning before the gill-opening and 

 terminating at the root of the caudal. A black longitudinal band 

 from the snout through the eye to the caudal, becoming broader 

 posteriorly, and occuj^ying the middle of the caudal fin. 



Coasts of Amboyna, Goram, New Guinea, and Guam. 



5. Petroscirtes filamentosus. 



Blennechis filamentosus, Cur. Sf Vol. xi. p. 280. pi. 326. 

 Petroskii-tes rostratus, {Solamhr) Bleek. Act. Soc. Sc. Indo-Nederl. ii., 

 Amhoina, p. 62. 



D. 36-37. A. 26-28. V. 3. 



The height of the body is one-seventh of the total length, the 

 length of the head one-fourth. The snout Ls somewhat elongate, 

 longer than the eye, and has the upper profile nearly hoiizontal. 

 The anterior rays of the dorsal fin are elongate and filamentous ; the 

 dorsal does not extend on to the caudal. A blackish longitudinal band 

 from the snout through the eye along the side of the body ; vertical 

 fins blacldsh, the caudal with the upper and lower margins, the anal 

 with the lower one whitish. 

 . Coasts of New Guinea and Amboj-na. 



6. Petroscirtes punctatus. 



Blennechis pimctatus, Ciiv. Sj- Veil. xi. p. 286. 



D.^. A. 23. 



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

 the length of the head five times and a half. Snout sliort ; the 

 iijiper canine tooth one-half the size of the lower. The dorsal fin 

 extends on to the root of the caudal. Greyish, with three longitu- 

 (Unal series of small blackish spots, the ujjper along the base of the 



