140 FEE COMMONER BUTTERFLIES. 



hind wings, except next outer margin, much besprinkled with 

 dusky scales. Expanse 1 inch or more. 



Caterpillar. — Head green. Body green with a purple dorsal 

 stripe and on each side a double stigmatal stripe of purple and 

 yellow; a pair of reddish, conical, forward-projecting processes on 

 back of Urst thoracic segment. Length | inch. 



Chrysalis. — Body not bent in the middle, wing-cases but little 

 protuberant; front rounded, with no distinct horn; yellow-green, 

 thickly dotted with yellow-white. Length | inch. 



This pretty butterfly is very common indeed in the Sonth- 

 western States and occurs in our district in southern 

 Illinois and Missouri. Its transformations have been fol- 

 lowed by Mr. AV. H. Edwards, through whom the above 

 as yet unpublished details are given. The caterpillar 

 feeds on Tagetes, but its seasons are not yet known except 

 that the butterfly flies at the end of June and in July and 

 again very late in the season ; doubtless also at other times. 



Two other genera of Red-Horns occur in the district: Fhoebis, with 

 one species, P. agarithe, an extreme southern type said to have been 

 taken in Nebraska; and Pyrisitia, also with a single southern species, 

 P. mexicana, which has been taken occasionally in the West, as far 

 north as Iowa and Wisconsin, and once even in southern Ontario. 



TRIBE ORANGE-TIPS. 



40. Genus Anthocharis. 



ANTHOCHARIS GENUTIA— THE FALCATE ORANGE TIP. 



Butterfly. — Upper surface of wings dull white, the fore wings 

 with a minute black spot at the tip of the cell, the edge of the 

 falcate portion of the wing brown with white dots, and, in the 

 male, the whole apex orange. Under surface of fore wings like 

 the upper, but with no orange tip in either sex; hind wings 

 flecked with light brown collected into large open blotches. 

 Expanse If inches. 



Caterpillar. — Head pallid with greenish inky blotches, crowned 

 with papillae. Body very slender, naked, pilose, numerously 

 striped with orange, green, dark blue, white, and yellow, but 



