TRACHEA. 193 



beyond it darker ; a terminal series of small blaek lunules. Hind 

 wing whitish, a small diseoidal lanule and fine terminal line ; the 

 underside with some dark irroration and diseoidal lunule. 



Hah. U.S.A., Montana. Exp. 36 millim. This species is 

 unknown to me ; figured from a drawing from type in U.S. Nat. 

 Mus. 



2960. Trachea dilara. (Plate CXIII. fig. 2.) 



Hadena dilara, Streck. Lep. Rhop. & Het., Suppl. i. p. 7 (1899) ; Dyar, 



Cat. Lep. N. Am. p. 115. 

 Hadena bultata. Smith, Can. Eat. 1906, p. 228. 



5 . Head, thorax, and abdomen ochreous white tinged with 

 flesh-colour and slightly mixed with brown ; tegulae with faint 

 dark line near tips ; tarsi blackish ringed with white. Fore wing 

 ochreous white tinged with flesh-colour and irrorated with brown ; 

 subbasal line represented by a slight black striga from eosta ; 

 a fuscous streak on eosta before the antemdial line, which is defined 

 by whitish on inner side, with blackish spot at eosta, then minutely 

 and irregularly dentate ; claviform faintly defined by brown, acute 

 at extremity ; orbicular and reniform Avith slight fuscous centres 

 and pale annuli defined by brown, the former upright, elliptical, 

 the latter constricted at middle ; an indistinct medial difi'used line 

 with blackish mark at eosta ; postmedial line with blackish mark at 

 eosta, slightly bent outwards below eosta, then dentate, excurved 

 to vein 4, then oblique, some pale points on a brownish patch 

 beyond it on eosta ; subterminal line pale defined on inner side by 

 brown suffusion, forming somewhat dentate marks at middle, some- 

 what angled outwards at vein 7 and excurved at middle ; a 

 terminal series of slight dark lunules ; cilia ochreous white with 

 diffused dark lines at middle and tips. Hind wing pale, uniformly 

 suffused with ochreous brown ; cilia yellowish white ; the under- 

 side whitish irrorated with brown, a dark diseoidal lunule and 

 diffused curved postmedial line. 



Hah. U.S.A., Colorado, Gienwood Springs, 1 $. Exp. 44 

 millim. 



2961. Trachea genetrix. (Plate CXIII. fig. 3.) 



Hadena genetrix, Grote, Can. Eut. x. p. 237 (1878) ; Smith, Oat. Noct. 

 N. Am. p. 143. 



S . Head and thorax grey mixed with fuscous and faintly tinged 

 with ochreous ; palpi blackish at sides ; frons with lateral black 

 bars ; tegulae with blackish line near tips ; tarsi black with pale 

 rings ; abdomen ochreous. Pore wing grey tinged with ochreous, 

 irrorated with fuscous and in parts suffused with brown ; a slighr. 

 black streak below base of cell ; subbasal line represented by a 

 slight striga from eosta ; antemedial line defined by grey on innor 

 side, minutely waved, retracted to inner margin ; claviform slightly 

 defined by black ; orbicular and reniform very indistinctly defined 

 VOL. vii. 



