HYDRaXTA. 45 



a rufous termiual line ; cilia yellowish at base, rufous intersected 

 with yellowish at tips. Hind wing yellowish white. 



Hah. U.S.A., Middle and Central States, New YoY\{Dovhleda;i), 

 2 5 type, Illinois, Colorado, Gleuwood Springs, Denver. E.vp. '6(\- 

 46 millim. 



4345. Hydrcecia diplocyma, n. sp. (Place CXXXVIIT. fig. 2.) 



Hi/drm:i(t sfraj/tet/iosa, Moffat, Can. Eat. xxxii. p. 61, pi. 2. f. 5 (nee 

 Guen.). 



Head and thorax pale yellow mixed with rufous ; palpi tinged with 

 rufous ; teguke with rufous line near tips and a brown line behind 

 them ; patagia with brown line near upper edge ; metathoracic crest 

 tipped with rufous ; fore legs suffused with rufous ; abdomen pale 

 yellow, the basal crest tipped with blackish, the anal tuft and ventral 

 surface tinged with rufous. Fore wing pale yellow suffused with olive - 

 green, rather more strongly before postmedial line, the costal area 

 tinged with purplish pink, the postmedial area not tinged with olive, 

 the terminal area slightly tinged ; subbasal line indistinct, rufous, 

 curved, from costa to vein 1 ; the antemedial area with brownish 

 marks on costa, below cell and at vein 1 ; antemedial line brown, 

 inctirved in cell, then excurved ; claviform represented by a diffused 

 red-brown mark; orbicular and reniform yellowish defined by brown, 

 the former elliptical, open al)0ve, the latter slightly angled inwards 

 on median uervure, some red-brown suffusion between them in cell ; 

 a faint oblique line from lower angle of cell to inner margin ; post- 

 medial line red-brown, bent outwards below costa, oblique and 

 very slightly incurved below vein 5 ; subterminal line with diffused 

 red-brown bar from costa, angled outwards at vein 7 and inwards 

 in submedian fold, then double, waved ; a deep rufous terminal 

 line; cilia yellow tinged with rufous and mixed with red-brown at 

 tips. Hind wing yellowish white with slight rufous terminal line ; 

 the underside with the costal area faintly tinged with rufous. 



Huh. Canada, 1 $ , Montreal {A. F. 'Wian), 1 S type ; U.S.A., 

 Colorado. Exp. 46-52 millim. 



4346. Hydrcecia juvenilis. (Plate CXXXYIII. fig. 3.) 



Gortyna juvenllh, Grot.e, Bull. US. Geol. Geog. Surv. Terr. vi. p. 207 

 (1881) ; Smith, Cat. Noct. N. Am. p. 174. 



Head and thorax yellow slightly mixed with red-brown ; palpgia 

 red-brown at tips ; abdomen rufous mixed with red-brown. Pore 

 wing bright yellow slightly irrorated with rufous, the medial area 

 except towards costa and the area beyond subterminal line suffused 

 with rufous; antemedial line rufous, oblique, sinuous; claviform 

 rather small defined by rufous ; orbicular and reniForni vellow 

 defined liy rufous, the former round ; medial line dark brown, 

 oblicjue from lower angle of cell to inner margin ; postmedial line 

 strongly bent outwards below costa, then oblique, dentate, some 



