NATHALIS. 21 



2. A. lanceolata Boisd. Ann. Soc. ent. 2me ser. X, 284. 



A little larger than A. genutia, but destitute of the auroral spot 

 in the male as well as in the female. 



Upper side white ; primaries with a black spot at one end of the 

 discoidal cellule, and at the other, some brownish black streaks. 



Under side of primaries with the costal spot as above, and the 

 summit reticulated with greenish gray. 



Under side of secondaries entirely marbled and finely reticulated 



with greenish gray, with the edge marked with some small white 



spots, of which one is largest. 



California — rare. 



Boisd. 



3. A. sara Boisd. Ann. Soc. ent. 2me ser. X, 285. 



Upper side white, or white slightly tinted with yellow ; that of 

 the primaries marked at the summit with a large triangular orange 

 red spot, bordered with black ; the black spot of the discoidal 

 cellule is connected with the black border. 



Upper side of the secondaries transparently showing the mark- 

 ings of the opposite side, and with some blackish, marginal spots, 

 more or less distinct. 



Under side of primaries a little more pale than above. 



Under side of secondaries finely pointed, and marbled with white 

 and greenish, like A. genutia. 



The females with a paler spot, not edged with black, and divided 



at the extremity by a series of sulphury white marginal points. 



California 



Boisd. 



NATHALIS Boisd. 



Head rather large, bristled ; palpi long, separate, extending 

 beyond the eyes, covered with stiff hairs ; second article long, the 

 last much shorter than the preceding ; antennas very short, joints 

 distinct, terminated abruptly by an oval, flattened club, a little 

 truncated at the summit; body moderate. Abdomen as long as 

 the secondaries. Wings not robust, discoidal cellule closed ; the 

 secondaries embrace a portion of the under side of the abdomen ; 

 the anterior border, in the male, with a small, oval, glandular, 

 naked impression. 



