August, 1902] 



PSYCHE. 



3S1 



51 — Proc. Davenport acad. sci., IX, A. brcvicaiida. The New Mexican 



1902). At Mr. Scudder's request I have species is a true Dichopetala but a 



just examined the species concerned and change in the specific appellation is 



find that the first described is a short- necessary and hrcvihastata (a name siig- 



winged Arethaea closely allied to A. gested by and to be credited to Mr. 



carita .Scudd., (First list orth. New Scudder) may take its place. 

 Mex., p. 52) and consequently becomes A. P. Morse. 



GROUP CHARACTERISTICS OF SOME NORTH 



TERFLIES — II. 



AMERICAN BUT- 



Hy SAMUEL H. SCUDDER, CAMBRIDGE, MASS. 



Subfamily EUPLOEINAE. 



Mature caterpillar : Head smooth, un- 

 crowned. Body cylindrical, tapering 

 anteriorly, naked, but provided with a 

 greater or less number of lateral ranged 

 fleshy protuberances or filaments, never 

 with spines, and gaily and brightly 

 colored, generally with transverse stripes. 

 Feeds almost exclusively on Asclepiada- 

 ceae and Solenaceae. Chrysalis: With 

 no conspicuous prominences, all the part 

 rounded, the thorax and abdomen gener- 

 ally not deeply separated, the appen- 

 dages not raised above the general curve 

 of the body, the abdomen plump, or with 

 some portion of the body specially plump. 



some paleogean genera), but no rows of 

 erect hairs. Females witii short and 

 club shaped fore tarsi. Egg: (Distinc- 

 tion from Ithomyini not known) Cater- 

 pillar at birth: Some of the body seg- 

 ments provided, besides the ranged 

 bristles, with low roughened tubercles. 

 Mature caterpillar: Body furnished with 

 slender and filamentous appendages ; 

 otherwise naked ; markings mostly trans- 

 verse. Feeds on Asclepiadaceae. Chry- 

 salis: Dorsally very tumid at about the 

 third abdominal segment, often trans- 

 versely ridged in this part ; markings 

 not unusually prominent. 



Synopsis af the genera. 



Tribe Limnaini. 



I. Anosia. Butterfly: Cell of fore 

 wing nearly three fifths, of the hind wing 

 Butterfly: Males provided on hind about two thirds, as long as the wing- 

 wings with one or more spot-like pockets No spots in the middle of median inter- 

 concealing androconia, or a surface patch spaces of fore wings. Egg: Half or less 

 or patches of androconia (wanting in than half as high as broad, with more 



