Ltpidopterci from the South Pacific. 293 



Proterocosma, n. g. 

 Head smooth ; no ocelli ; tongue moderate. Antennae from 

 four-fifths to as long as fore wings, in male serrate, pubescent or 

 simple, basal joint long, somewhat compressed, with distinct 

 pecten. Labial palpi very long, recurved, smoothly scaled, second 

 joint somewhat exceeding base of antennae, rather compressed, 

 terminal joint longer than second, slender, acute. Maxillary palpi 

 rudimentary. Posterior tibiae clothed with dense hairs above. 

 Fore wings narrow, lanceolate, vein 1 furcate at base, 2 from 

 beyond three-fourths of cell, 5 separate or sometimes out of 7, 

 6 out of 7 or absent (coincident with it), 7 to costa, 8 out of 7 before 

 6. Hind wings one-third to one-half of fore wings, hnear-lanceolate 

 or linear, cilia three to six ; veins 6 and 7 stalked or sometimes 

 coincident, 7 to costa ; a pencil of scales from angle of costa. 



It is not at present necessary to regard the differences 

 of neuration in this genus as other than specific. 



Sect. A. Fore wings and hind wings with vein 6 absent 

 (coincident with 7). 



169. Proterocosma triphinctis, n. s. 

 (? , 12 mm. Head and thorax dark fuscous, face ochreoixs- 

 whitish. Palpi ochreous-whitish, terminal joint anteriorly blackish. 

 Antennae as long as fore wings, ochreous-whitish, spotted with dark 

 fuscous, with two dark fuscous bands before apex. Abdomen dark 

 grey, sides and apical tuft whitish ochreous. Legs dark fuscous, 

 with ochreous-white rings. Fore wings with vein 5 separate ; 

 greyish fuscous, irrorated with dark fuscous, with four small 

 whitish ochreoiis spots ; first triangiilar, on costa somewhat beyond 

 middle ; second dot-like, beyond and below apex of first ; third and 

 fourth dot-like, placed opposite one another on costa and inner 

 margin near before apex ; cilia grey, lighter towards anal angle, 

 with a dark fuscous line round apex. Hind wings linear-lanceo- 

 late, cilia tliree ; gi'ey ; cilia pale greyish ochreous. 



Tonga {MdtJieir) ; one specimen. 



Sect. B. Fore wings and hind wings with vein 6 present, 

 stalked with 7. 



170. Proto-ocosmd cpizona, n. s. 

 S , 10 nun. Head and jiulpi wliitish oclu'eous, terminal joint of 

 palpi with a dark fuscous median ring. Antemue and thorax dark 



