234 sclj=:hodermi. 



ing beyond the abdominal flap. Browli, marbled with darker ; a 

 large black blotch below the anterior part of the dorsal fin ; caixdal 

 fin with three dark cross bands. 



Celebes; Amboyna. 

 a. Type of the species, 3^2- inches long. Amboyna. I'rora Dr. 

 Meeker's Collection. 



5. Monacanthus curtorhjnichus. 



Mouacauthus curtorhynclius, Bleeh. Nut. Tyds. Ned. Ind. viii. 1855, 



p. 430. 

 Paramonacanthus curtorhynclius, BUeh. Atl. Icldh. Bali.d. p. iJ'.O, 



pi. 227. tig. 2. 



D. 28. A. 27. 



Skin finely velvety. Body oblong, its depth being two-fifths of 

 the total length (without caudal). Pectoral fin situated behind the 

 vertical from the orbit. Snout produced, with the upper profile 

 convex. Dorsal spine rather feeble, -rough, but without barbs, 

 three-filths as long as the head, situated above the hinder part of 

 the orbit. Caudal fin rounded, sometimes the upper ray produced 

 into a short filament ; anterior part of the dorssal and anal fint 

 elevated. Ventral spine tapering, moveable, without spinclets pro- 

 jecting beyond the abdominal llap. Erown, clouded and spotted 

 with darker ; caudal fin with two blackish cross bands. 



Amboyna. 



(t. One of the typical specimens, 4 inches long. From Dr. Bleekoi's 

 Collection. 



3. Ventral spine none. 

 6. Monacanthiis prionums. 



Alutarius prionurus, Bleeh. Verh. But. Gen. xxiv. Balist. p. 20, pi. 3. 

 fig. 6 ; JloUurd, Ann. Sc. Nut. 1854, ii. pi. 14. fig. 10 ; 1855, iv. 



P-21- 

 Paralutorcs prionurus, Bleelc. Atl. Ivhth. v. p. 1.38, pi. 227. fig. 1. 



D. 25. A. 24. 



Skin finely granulated ; sides of the taU. with fine bristles and 

 two pairs of spines pointing forwards. Body moderately elevated, 

 its depth being one-half of the total length (without caudal"). Snout 

 moderately produced, Avith the upper profile slightly concave. 

 Dorsal spine of moderate strength, curved, shorter than the snout, 

 without barbs, inserted behind the orbit. Gill-opening below the 

 hind part of the orbit. Caudal fin rounded ; dorsal and anal fins 

 low. Ventral spine none. Three broad black bands across the 

 back ; head and anterior part of the trunk with black dots, confluent 

 into undulated lines on the throat. (BUcr.) 



East-Indian archipelago ; New Guinea. 



7. Monacanthiis trossiilus. 



Aleulerius trossulus, liu/iurd-: Voi/. Erch. Sc Terr. Fifh. p. t>H, pi. 40. 

 figs. 5 & Ci: Hollurd, Ann. Sc. Nut. 1855, iv. p. V,, pi. 1. fig. I. 



