108 LEPIDOPTERA OF NORTH AMERICA. 



8. H. agricola Boisd. Ann. Soc. Ent. 2me ser. X, 314. 



Upper side blackish ; that of the primaries having the mark pro- 

 longed to the summit by a blackish streak, a transverse row of 

 yellow points between the border and this mark. That of the 

 secondaries with the black border rather wide, and the base more 

 or less brown. 



Under side of the primaries yellow, with the mark less definite 

 than above ; that of the secondaries yellow, with a kind of trans- 

 verse band, nearly median, of a paler tone. 



California. 



Boisd. 



9. H. pratincola Boisd. Ann. Soc. Ent. 2me ser. X, 315. 



Upper side bright yellow, nearly without border, having only in 

 certain males some blackish triangular streaks on the nerves ; that 

 of the primaries with the mark as in H. sylvanus, ordinarily sur- 

 mounted towards the summit with a blackish streak more or less 

 distinct. 



Under side uniform yellow ; that of the primaries having towards 

 the summit, on the edge, a small spot a little paler than the ground; 

 that of the secondaries without spots. Female larger, with a ser- 

 rate blackish border; that of the primaries having an oblique, 

 blackish ray, surmounted towards the summit by a spot of the 

 same color. Under side of the primaries nearly as in the male ; 

 that of the secondaries with a transverse, Irregular row of spots 

 paler than the ground color._ 



California. 



Boisd. 



10. H. ruricola Boisd. Ann. Soc. Ent. 2me ser. X, 315. 



Wings a little sinuous, yellow, with a small brown border ; pri- 

 maries with the mark distinct as in I£. sylvanus, marked longitu- 

 dinally with a small whitish line. 



Under side yellow, with all the surface of the secondaries and 



the summit of the primaries greenish. 



California. 



Boisd. 



11. H. campestris Boisd. Ann. Soc. Ent. 2me ser. X, 316. 



This species is distinguished from all the other California spe- 

 cies, by the large truncated spot, which forms the mark of the 



