NORTH AMERICAN LEPIDOPTERA. 197 



wliich intersects at interual margin, a blackish patch. Beneath, yellowish im- 

 maculate, the dots on costa of primaries before apices repeated ; fringes brown. 

 Body rust-brown. Expanse 36 mm. 



Hah. — Northern Atlantic States westward ; Europe ; Northern 

 Asia. [We are indebted to Dr. Packard for the recognition of 

 L. americana Harvey.] 



Genus I>ataiia Walker. 

 1855.— Walker, Cat. Brit. Mus. Pt. v, p. 1060. 



Synopsis of Species. 



Outer margin of primaries distinctly excavate between the veins. 



Color entirely smoky or blackish brown anglisii. Mf 



Color yellowish brown or paler. 



Discal spots faint or absent, size medium. 



Color yellow-brown niinistra. T' 



Color testaceous califoriiica. 



Discal spots distinct, size large drexelii. 



Outer margin indistinctly excavate, nearly entire in the % . 

 Color tawny brown or purplish. 



Tawny brown, discal spots distinct, size large major. 



More or less purplish, discal spots indistinct, size medium. 

 Thoracic patch reddish brown. 



Fore wings dull whitish lilac, more or less covered with cinnamon- 

 brown scales palmij. 



Fore wings dark brown with a purplish flush floridaiia. 



Thoracic patch ocherous modesta. 



Color yellowish buff. 



Thoracic patch tawny brown ... perspictia. ' 



Thoracic patch as pale as thorax robiista. 



Outer margin of primaries eiitire, or a little wavy in the 9 . 



Primaries dark reddish brown, lines and fringe coucolorous..iiitegerriiiia. " "^ 

 Primaries luteous tawny, lines and fringe not concolorous COiitracta. 



D. aiigusii Grote and Robinson. 



1866. — Grote and Robinson, Proc. E'nt. Soc. Phil. vol. vi, p. 9. 

 1888. — Beuteumiiller, Can. Ent. vol. xx, p. 135. 

 Deep smoky-brown throughout, costal margin of fore wings and outer edge 

 darker; five blackish, narrow lines across the wing, the two outer ones con- 

 tiguous; an oblique apical streak ; discal dots faint or wanting. Head and two- 

 thirds of thorax covered by a square or constricted, deep chocolate-brown patch. 

 Hab. — Northern Atlantic States westward. 



D. miiiistra Drury. 



1773.— Drury, 111. Ex. Ent. vol. ii, pi. xiv, f. 3. Phaliena. 



1888. — Beutenmiiller, Can. Ent. vol. 3X, p. 16. Datana. 

 Reddish brown, fore wings irrorate with brown scales, costal edge slightly 

 brighter in tone, hind wings paler. The lines as in angusii. Thoracic patch 

 deep red-brown, shading into ocherous brown ou the head. Expanse 35 — 45 mm. 



Hab. — Atlantic States westward. 



TRANS. AM. ENT. SOC. XXI. JUNE, 1894. 



