HOPOEINA. — MESOGONA. 31 



secondaries and body greyer ; wings below paler, the primaries showing the spots of the upper 

 surface ; transverse lines indistinct ; secondaries immaculate. Expanse of wings 1 inch 7 lines. 

 Yokohama (Jonas). 



HOPOEINA, Boisduval. 



Hoporrna sericea. (Plate XXX. fig. 10.) 

 Hoporina sericea, Butler, Ann. fy Mag. Nat. Hist. ser. 5, vol. i. p. 168 (1878). 



Coloration of H. croceago of Europe, but the primaries more elongated ; the grey markings 

 less distinct, excepting the three angulated transverse lines ; below redder, the markings better 

 defined ; secondaries with the markings less strongly defined. Expanse of wings 1 inch 8 lines. 



Yokohama (Jonas). 



This species chiefly differs from H. croceago in form. 



EEACHYXANTHIA, Butler. 

 Brachyxanthia peculiaris. (Plate XXX. fig. 11.) 



Brachyxanthia peculiaris, Butler, Ann. $f Mag. Nat. Hist. ser. 5, vol. i. p. 169 (1878). 



? . Primaries stramineous, crossed by brown lines, as in Xestia ochreago of Europe ; an 

 additional dark brown oblique line from apex to inner margin, from which a second is given off 

 (below the reniform spot), which runs to costa; secondaries silky brown, the costa, fringe, and 

 outer margin creamy whitish; body corresponding in colour with the wings : wings below pale 

 creamy yellow, with a brown discal line ; veins of outer margin, marginal lunules, and a costal 

 dash in primaries brown. Expanse of wings 1 inch 2-3 lines. 



<J, Hakodate (Whitely) ; ? , Yokohama (Jonas). 



The male has the disk of primaries purplish brown beyond the oblique line. 



MESOGONA, Boisduval. 

 Mesogona contracts (Plate XXXI. fig. 1.) 

 Mesogona contracta, Butler, Ann. <Sf Mag. Nat. Hist. ser. 5, vol. i. p. 169 (1878). 



Allied to M. acetosellaz of Europe, but with narrower wings ; primaries darker, the outer 

 stripe angulated ; no black discal dots, but a pale line limiting the greyish outer border ; secon- 

 daries greyer, with black marginal spots ; body greyer ; abdomen grey, bordered and tufted with 

 reddish : wings below sordid whitish, tinted with pink ; a black discocellular spot ; a blackish 

 discal stripe and black marginal dots ; primaries with the centre greyish ; body greyish brown. 

 Expanse of wings 1 inch 11 lines to 2 inches. 



Yokohama (Jonas). 



