1895.] OP THE 8CH(EN0BIIN^ AITD CBAMBINJB. 963 



B. Fore wing with veins 4, 5 stalked ; hind wing with veins 4, 5 

 stalked, or 4 absent ; antennae of male thickened and flattened. 



(3) Mesolia incertella, Zinck. Germ. Mag. iv. 253. U.S.A. 



fPrionopteryx olivella, Grote, Bull. "U.S. Geol. Surv. vi. 274. 



c. Both wings with veins 4, 5 from cell. 



(4)tMES0LiA whiteheadi, E. Wollaston, A. M. N. H. (5) iii. p. 340. 



St. Helena. 



(5)tMESOLIA TENEBBELLA, n. sp. 



9 . Fuscous brown irrorated with grey. Fore wing with a 

 black discocellular spot ; two iadistinct pale lines across apex, with 

 some chestnut between them, the inner continued as an obscure 

 dentate submarginal line with a grey patch beyond it at middle 

 on which are two black streaks. Hind wing paler fuscous. 



Eah. Ichang, China. Exp. 20 mm. 



Sect. II. Fore vring with veins 4, 7 and 11 absent ; hind 

 wing with vein 4 absent ; antennae of male cihated. 



(6) Mesolia apicisteiqella, Meyr. P. L. Soc. N. S.W. 1879, 

 p. 209. Australia. 



Genus Peionopteetx. 



Prionopteryx, Steph. 111. Brit. Ent., Haust. iv. p. 317 (1834). 



Nuarace, Wlk. xxvii. 188 (1863). 



Palpi thickly clothed with hair and extending about twice the 

 length of head ; maxillary palpi triangularly scaled ; proboscis well 

 developed ; frons with a conical prominence ; antennae of male 

 bipectinated ; tibiae with the spurs long. Fore wing with the 

 outer margin produced from apex to vein 5 ; vein 3 from before 

 angle of cell ; 4, 5 separated at origin ; 7 when present from cell ; 

 10 free. Hind wing with vein 3 from before angle of cell ; 6 from 

 below upper angle. 



Fig. 46. 



Prionopteryx nebulifera, (S . \. 



Sect. I. Fore wing with vein 7 present. 



A. Fore wing with vein 11 becoming coincident with 12 ; 

 hind wing with vein 4 absent. 



a. Fore wing with the projection of outer margin blunt. 



(l)tPEio]!TOPTEETX ettgeaphis, Wlk, xxvli. 188. San Domingo. 



