142 INSECUTOR INSCITl/E MENSTRUUS 



Nearest to C. saxicolana Walsingham, but darker and without the 

 dorsal white markings of this species. 



Dorata sagittella, new species. 



Female : Labial palpi light drab colored sprinkled with black scales. 

 Face, head, and thorax light drab colored. Forewings uniformly light 

 drab colored with a silvery sheen irregularly and sparsely dusted with 

 single black scales ; at the end of the cell is a small black dot, consisting 

 of half a dozen black scales. Cilia concolorous. Hindwing light ochre- 

 ous fuscous, shiny. Abdomen dark fuscous. Legs light drab colored, 

 sprinkled with black. 



Alar expanse, 48-52 mm. 



Habitat : Tehuacan, Mexico, October (R. Miiller). 



Type No. 1 6664, U. S. Nat. Mus. 



This species is very close to but much larger than Dorata inomatella 

 Busck, from which it differs by the black dusting and black second dis- 

 cal spot. 



A male, which I presume belongs to this species, has somewhat darker 

 drab colored forewings and much darker blackish fuscous hindwings and 

 legs. 



Alar expanse, 38 mm. 



Acrolophus apertella, new species. 



Male : Labial palpi very long, overreaching head and thorax, evenly 

 and loosely tufted throughout its length ; dark reddish brown with blackish 

 brown base ; head and thorax dark brown ; patagia light reddish brown. 

 Forewing light reddish brown wath a conspicuous, broad, oblique black 

 streak at the end of the cell directed toward tornus ; beyond it within 

 the terminal edge is a large round black dot and the triangle limited by 

 these two markings is suffused with blackish brovm ; a marginal series of 

 about ten equidistant, small, and inconspicuous blackish dots along costa 

 from base to apex ; cilia reddish browTi. Hindwings dark purplish 

 brown, with lighter ochreous base. Abdomen blackish brown, with 

 large, light reddish brown anal tuft. Underside of body long-haired, 

 blackish brown. Legs light brown. 



Alar expanse, 29 mm. 



Habitat: Zacualpan, Mexico, July (R. Miiller). 



Type No. 16665, U. S. Nat. Mus. 



