THE FISHES OF SAMOA. 365 



1269. Amanses scopas (Cuvier). SUilui. Samoa; New Guinea (Macleay); East Indies. 



(_)f this singular species we have four fine examples from Apia, the first recorded from Polynesia. 

 Life colors of a specimen called sisitid, dark brown, a little paler below, a little darker on head and 

 tail; dorsal anal and pectoraJ colorless, the rays olive, with some bluish on membranes, caudal black; 

 spines of side black at base. 



OXYMONACANTHUS Bleeker. 



This genus is near Cantherines, from which it differs in the elongate form and very long, sharp 

 pnout. Unlike the other filefishes, the single species of this genus is gaudily colored. 



1270. Oxymouacanthus longirostris (Bloch & Schneider). Alem. Samoa; Guam; Fiji; New 



Calfchinia; East Indies. (PI. l, fig. 2.) 

 Of this fantastic little fish we have about 15 specimens, none over 3 inches long, from the reefs 

 uf Apia and Pago Pago. Life colors of one from Apia, sky blue with rows of bright orange spots; ven- 

 tral flap orange; a brown area above it with fine white dots; fins pale; dorsal and anal reddish, the 

 cauilal yellowish brown with two faint broad cross shades; breast light green. 



CHffiTODERMIS Bleeker. 



1271. Chaetodermis penicilligerus (Cuvier). New Guinea; East Indies; Australia. 



MONACANTHTJS Cuvier. 



This genus is characterized by the movable ventral spine. In most of the species the ventral flap 

 is moderate, and the dorsal spine serrated. These belong to the subgenus Stephanolepis, which differs 

 from Momirantlnis only in the reduction of the ventral flap, a character of slight importance. 



1272. Monacanthus chinensis (Bloch). New Guinea (Macleay); East Indies; China. 



1273. Monacanthus melanocephalus Bleeker. Pa'u-mea; Moloasi. Samoa; New Guinea (Mac- 



leay I ; East Indies. 

 Monaranthus vielanocephatus Bleeker, Nat. Tijds. Ned. Ind., V, 95, East Indies. Bleeker. Atlas, v, 1*27, tab. ccxxm, 



tig. 1, East Indies. Gunther, Cat., vin, 242; from Bleeker's type. 

 Monacanthus janthinosoma Bleeker, Nat. Tijds. Ned. Ind., vi, 603, East Indies. 

 Monacanthus aspricaudtis Hollard, Ann. Sci. Nat. 1*54, n, 530, Batavia. 

 Of this well-marked species we obtained about a doxen specimens from Apia and one from Pago 

 Pago, the first record in Polynesia. It reaches a small size, and is known at once bv the checkered 



