DIPIITHEnA. 369 



somites; the 1st, 2n(l, 4th, and 11th somites with pencils of red 

 hair darker at tips and slightly feathered ; stigmata defined hy 

 brown; legs red. Food-plant, -P/;ii?s. 8-9. 



8183. Diplitliera portlandia. (Plate CCXXXIY. fig. 8.) 



Fanlhea portlandia, Grote, Mittb. Eoeni. Mus. Ililcl. iii. p. 14 (189G) ; 

 Dyar, Cat. Lep. N. Ain. p. 98., 



S . Head and thorax white mixed with brown ; antennae brown ; 

 palpi brown Avith some Avhite in front ; sides of frons brown ; 

 patagia with two obscure brown bars ; the pro- and metathorax 

 with diffused brown bands ; tibiae and tarei .banded with brown ; 

 abdomen reddish brown with white segmental lines, the venti"al 

 surface whitish. Fore wing white irrorated with brown ; subbasal 

 black-brown bars from costa and cell ; antemedial line strong, 

 black-brown, sinuous ; a slight dark streak in middle of cell before 

 the strong black-brown medial line, Avhich is oblique and slightly 

 sinuous to the submedian fold, then excurved ; a small black-brown 

 discoidal lunule ; postmedial line black-brown defined on outer 

 side by white, oblique, angled outwards at vein 6, excurved at 

 middle, then incurved and angled outwards at vein 1 ; subterminal 

 line black-brown defined on outer side bv white, ansrled outwards 

 below veins 7 and 6 and at veins 4 and 3, angled inwards above 

 and below veins -5 and 2 ; cilia chequered black-brown and white. 

 Hind wing Avhite, the basal half tinged with brown, the veins 

 sti'eaked with brown ; a diffused sinuous broAvn subterminal band 

 ending at tornus ; a black-brown terminal line ; cilia chequered 

 brown and white ; the underside with brown bar from middle of 

 costa and sinuous postmedial line. 



2 . The markings rather blacker and better defined. 



Kah. Caxada, Vancouver I. (Banhi/), 16, 3 $ ; U.S.A., 

 Pacific Stiites. Exj). 50-54 millim. 



8184. Diphthera gigantea. (Plate CCXXXIV. fig. 9.) 



Tlafi/cerura giganfcn, Freiicli, Can. Eiit. xxii. p. 134 (1890); Smith, Cat. 

 Noct. N. Am. p. '61. 



$ . Head and thorax white mixed with dark brown ; palpi dark 

 broAvn at sides ; patagia dark l)rown at tips ; tarsi ringed with 

 dark brown ; abdomen whit<.' irrorated with dark brown and with 

 narrow dark brown segmentil bands. Foi-e wing white thickly 

 iiTorated with dark brown ; subbasal line dark broAvm, from costa, 

 to submedian fold ; antemedial line dark brown, excurved to sub- 

 median fold, then incurved ; a diffused almost straight dark brown 

 medial line ; postmedial line chirk brown, slightly sinuous to vein 3, 

 then incurved, excvirved at vein 1 ; subterminal line white defined 

 on inner side by rather diffused dark brown, dentate, angled out- 

 Avards below vein 7 and excurved at middle ; cilia chequered dark 



VOL. XIIT. 2 b 



