NORTH AMERICAN LEPIDOPTERA. 165 



spines. Venation: fore wings 11 veins, 4 and 5 separate, 10 sepa- 

 rate or stemmed ; hind wings 2 near angle; 3 separate or stemmed 

 with 4 and 5, 6 stemmed with 7. 



Synopsis of Species. 



Fore wings brownisli ochreous along iunei' margin .■ excaiitalis. 



" fuscous brown " " e<lwai'(l<i»ialis. 



" black all over atrella u. sp. 



1. M. edwarditiialis Hulst, Trans. Am. Ento. Soc. xiii. 163, 1886 {Mega- 

 phycis) ; Ento. Am. v, 156, 1889. 



polyphemella Eag., Diag. N. A. Phyc. p. 10, 1887. 

 Exjjaiuls from 35 to 45 mm. Head, thorax, abdomen and fore wings fuscous 

 to blackish fuscous; post-discal and submedian veins lined with black ; an outer 

 light fuscous cross Hue, before which all veins have a short black dash continued 

 beyond on ouster space; hind wings lighter dull fuscous; beneath even fuscous. 



Nevada. 



The following is Mr. Ragonot's description : 



" Expands % 46 mm. 9 36 mm. Fore wings narrower at base, glossy brownish 

 gray, dusted with whitish scales, the veins dusted with black scales, the veins 

 dusted with black scales, marginal spots distinct, discal spots illy-defined. Cross 

 lines in the male hardly discernible ; in the female very distinct, whitish, broadly 

 edged with black in median area; first line oblique, irregular; second line ob- 

 lique, much indented on the folds." 



Mr. Ragonot sent me a specimen of his polyphemella, and it was 

 the same as my edwardsialis. 



2. M. excaiitalis Hulst, Trans. Am. Ento. Soc. xiii, 163, 1886 (Anerastia) ; 

 Ento. .\m. v, 156, 1889. 



pullatella Eag., N. A. Phyc. p. 9, 1887. 

 Expands 22—36 mm. Palpi light fuscous; the rest of the insect, except abdo- 

 men and hind wings, soft fuscous brown, the middle field of fore wings percept- 

 ably darker. Abdomen soft blackish fuscous; hind wings fuscous, with a faint 

 darker marginal line; beneath concolorous, wit!) hind wings above. 



California. 



Mr. Ragonot's description is as follows : 



"Expands % 36 mm. J 24 mm. Male very Wke polyphemella, but less dusted 

 with white, less glossy, browner, much dusted and washed with black, especially 

 in basal area and along the costa and nervures ; dorsal fold brownish ochreous. 

 Lines more distinct, pale, not margined. The female is black, very finely dusted 

 with white, basal area paler; lines whitish, black margined in median area; 

 first line oblique, straight, second line oblique, slightly sinuous on the folds." 



By comparison with specimens sent me I am able to make this 

 reference; my brief description was from the 9 only- Both this 

 and the preceding s[)ecies vary considerably in depth of coloring and 



