308 ARCTIADJS. 



angled on median nervure ; the postmedial line excurved from costa 

 to vein 3, then incurved. Hind wing black-brown, the inner 

 margin with some rufous hair. 



2 . Fore wing with discoidal black lunule ; the postmedial line 

 sometimes obsolete ; hind wing with the inner and terminal areas 

 rufous irrorated with black ; a black discoidal lunule ; traces of 

 curved postmedial and subterminal lines. 



Ab. 1. danhyi. Head, thorax, and fore wing much browner. — Br. 

 Columbia. 



Ab. 2. walsingJiami. Ground-colour bright vermilion. 



Hab. Br. Columbia, Vancouver I. (Mathew), 1 (^ ; U.S.A., 

 California, Mendocino (Walsingham), 2 $ , Rouge B,. (Walsmgham), 

 1 2 type ivahingliami. Exp.^ <S 30, 5 40 millim. 



1798. Diacrisia imparilis. 



Spilarctia imparilis, Butl. A. M. N. H. (4) xx. p. ;394 (1877) ; id. 111. Het. 

 B. M. ii. p. 4, pi. 22. f. 4 ; Kirby, Cat. Het. p. 232. 



cJ . Dark brown ; palpi at tips and antennae black ; tegulae edged 

 with orange ; throat orange ; abdomen orange above, with dorsal 

 and lateral series of black spots. Pore wing with black point at 

 base ; a medial series of small black spots angled on median nervure; 

 a postmedial series of spots excurved from vein 6 to 3, then incurved, 

 and with three spots beyond it between veins 3 and 6 ; some sub- 

 terminal points from below costa to vein 3. Hind wing with 

 obscure subterminal maculate band from vein 6 to tornus. 



Ab. 1. Wings unmarked except for a medial black point below 

 vein 1 of fore wing. 



2 . Yellowish white ; palpi at tips and antennae black ; tegulae 

 edged with orange, patagia sometimes with black spot. Fore wing 

 with the series of black spots more or less developed ; a spot in 

 upper angle of cell sometimes present ; sometimes a subterminal 

 series of short streaks on each side of veins 7 to 3. Hind wing 

 immaculate, except sometimes two subterminal points towards 

 tornus. 



Hah. Japan {Jonas, Pryer), 2 cj" , 2 $ type, Yezo {Fryer), 3 S , 

 3 $ , Tokio {Fenton), 1 $ , Tsu-shima, 1 $ , Hakone {SmitJi), 1 5 . 

 Exp., 6 50, 2 ^^0 millim. 



1799. Diacrisia melaBna, n. sp. (Plate XLVI. fig. 11.) 



(^ . AntennsB with the branches long ; black-brown ; antenna? 

 reddish brown ; femora orange above ; abdomen yellow, with the 

 hair on bavse of dorsum black-brown, and dorsal, lateral, and sub- 

 lateral series of black spots. Fore wing with ochreous fascia in 

 submedian fold, sometimes not reaching termen or with small fork 

 near termen ; a postmedial line excurved between veins 5 and 3, 

 then incurved, but sometimes absent ; the terminal area usually 

 with three obliquely placed spots from near apex ; points above 

 veins 4 and 5 and another further from termen above vein 3. 



