NYMl'llALIXAE: CIIARIDRYAS NYCTEIS. 663 



there are suprastigmatal and iiifrastifjmatal rows of l)lackdots situated on the anterior 

 parts of the fifth to eightli sesnients; and al)ove the former, on all the abdominal 

 segments, is a slender, interrupted, blackish fuscous line; there is a pair of subven- 

 tral black lines, and the sides are marked more or less with blackish fuscous dots. The 

 tubercles are of the color of the adjoining parts, excepting that the dorsal and latero- 

 dorsal ones of the meso- and metathorax and first and second abdominal segments 

 are marked at the base anteriorly with black, sometimes tinged with reddish. Cremas- 

 ter very heavily edged with black. Length, 12.5 mm. ; width at oceliar prominences, 

 2.;5 mm. ; at basal wing promiHcncos, Ti mm. ; at metathorax, 4 mm. ; hciglit of thorax, 

 4.") mm. ; of abdomen, 5 mm. 



"The chrysalis of this species varies much. Some are light-colored, nearly white, 

 with delicate blackish spots and fine streaks of brown over the surface; others are 

 almost wholly black, while others again are between tlie two extremes " (Edwards). 



Distribution (22:5). This species, properly a meniber of the Alle- 

 ghanian fauna, is widely spread. Northward it occurs as far as Ha Ha 

 Bay on the Saguenay (Saunders), Quebec "rare" (Bowles), Montreal 

 (Caulfield), London, Ontario "not common" (Saunders), and even to 

 Sudbury and to Nepigon, north of Lake Superior (Fletcher). Southward 

 it extends along the Atlantic coast to Virginia (Reakirt), West Virginia 

 and even North Carolina (Edwards) ; otherwise east of the Mississippi it 

 has not been recorded further south than the Ohio River. It is far more 

 abundant on the western prairies than in the Atlantic states, Mr. Allen 

 finding it the most abundant species seen during a whole summer's collect- 

 ing in low^a. Westward it extends even to Edmonton on the north Sas- 

 katchewan (Geddes), to Nebraska (Carpenter), Kansas, where it is 

 common and New Mexico (Snow) , as well as to Colorado (Reakirt, Mead), 

 Arizona (Edwards) and Texas north of 30° (Aaron, Mead) ; but in the 

 elevated regions of these latter localities it varies so much from the type 

 that Edwards considers it a distinct variety (C. n. drusius), distinguished 

 by the excess of black over fulvous on the upper side. 



In New England it is a very rare insect although Mr. Lintner has 

 found it in some abundance near Albany, New^ York and in the Adiron- 

 dacks. In Maine single specimens have been taken at Lewiston (Sprague) 

 and Norway (Verrill, Smith), and it is also recorded from Orono (Fer- 

 nald) and Portland "rare" (Lyman). In New Hampshire it has twice 

 been taken on the Glen road at the very base of the White Mountains 

 (Sanborn, Morrison) and once at Walpole (Smith). In Massachusetts it 

 has been also occasionally taken, — Sutton (Smith), Blanford (Dimmock), 

 Ilolyoke (Johnson), Lenox (Edwards) and Williamstown (Scudder) ; 

 and in Connecticut at Farmington (Norton). Most of these New Eng- 

 land localities, it will be noticed, are upon elevated ground. They com- 

 prise all known captures. 



Haunts. In Colorado Mr. Mead found the butterflies only at about an 

 elevation of 7,500 feet in the mountains, and they were rare. In Iowa 

 wdiere they are extremely abundant they were found by Mr. Allen on the 

 Symphoricarpos which grows in prairie hollows ; others were seen in damp, 



