388 THE BUTTERFLIES OF NEW ENGLAND. 



Prothoracic lobes pretty large, not very tumid, antei'iorly appressed, broadly rouuded 

 posteriorly, tapering a little exteriorly, but scarcely at all interiorly, four times as broad 

 as long, considerably higher than long. Patagia scarcely twice as long as broad, gently 

 tumid, very broad and nearly square at base, the outer border straight, the inner rather 

 deeply concave, so that the posterior lobe narrows rapidly at first and then tapers 

 gradually to a rounded point, the posterior portion being, as it were, triangular with 

 the outer hinder angle greatly produced ; the interior border is roundly, rather broadly 

 ridged. 



Fore wings (38 : 15) a very little more than half as long again as broad, the costal 

 margin considerably bent at a short distance from the base, beyond, nearly to the apex, 

 almost straight, very slightly convex, the apical part curved somewhat backward; the 

 outer border is a very little crenulate, its upper portion, as far as the middle of the 

 lower subcostal interspace, slightly concave, having a general direction at right angles 

 to the middle of the costal margin ; below this, to the middle of the succeeding inter- 

 space, suddenly receding and then passing in a nearly straight course, broken by the 

 crenulations, and by a little, broad, rounded projection, just below the lower median 

 nervule, to the well rounded lower angle ; inner margin very nearly straight. First 

 superior branch of the subcostal nervure emitted in the middle of the outer half of the 

 upper margin of the cell ; second, half way from the origin of the first to the tip of the 

 cell — both a little further from the base in the male than in the female ; origin of the 

 third midway between the tip of the cell and the base of the fourth, the latter arising 

 at more than three-fifths the distance from the tip of the cell to the apex of the wing ; 

 second inferior branch arising scarcely more than one-quarter way down the cell ; the 

 latter two-fifths as long as the wing and about three times as long as broad ; the dis- 

 tance from the origin of the second median nervule to the vein closing the cell is half 

 that to the base of the first median nervule. 



Hind wings with the costal margin somewhat bowed, rather more strongly on the 

 basal than on the apical half, the outer margin rather broadly rounded, pi-ojecting at the 

 tip of the upper median nervule into a moderate rounded tail, tapering at the base, 

 longer than broad, and with a slight, rounded projection at the tip of the lower median 

 nervule; inner border broadly expanded at the base, beyond straight nearly two-thirds 

 of the Avay to the tip, then, receding suddenly but a little diagonally to a great distance, 

 it resumes its former direction, and with a slight convexity passes to the abrupt, but 

 well rounded anal angle. Precostal nervure bent inward, originating considerably 

 beyond the divarication of the subcostal from the costal nervure ; cell closed by a 

 feeble vein. 



Fore legs small, cylindrical, a little depressed, thickly clothed with a depressed, 

 bushy bunch of long, somewhat spreading hairs, heavier in the male than in the female ; 

 the tibia slightly less than half as long as the hind tibia ; tarsi of nearly or quite the 

 length of the tibia, in the male consisting of a single joint, with exceedingly slight 

 indications of divisions — one being marked by a slight constriction near the tip — and 

 wholly imarmed; in the female distinctly composed of five joints, of which the first is 

 three times as long as the others taken together, and these successively smaller toward 

 the tip, each joint furnished at the tip beneath with a pair of very short, slender spines, 

 the first joint with others along the under edge. Middle tibiae scarcely longer than the 

 hind ones, furnished on either side beneath, and on the upper portion of the inner 

 side, with a row of not very frequent, long and moderately stout, spreading spines, 

 besides a few shorter scattered ones along the outer side, the terminal ones of the in- 

 ferior rows developed into moderately long and slender spurs ; tarsi with the first 

 joint as long as the three succeeding ones together, the second and fifth equal, the 

 third and fourth scarcely smaller, equal to each other ; furnished with four (the last 

 joint with two) rows of rather short and moderately stout spines beneath, and a few 

 scattered ones above at the base of the first joint. Claws moderately slender, not 

 large, tapering to a fine point, pretty strongly curved. Paronychia slender, tapering a 

 little, as long as the claws, but curving less though regularly, finely pointed, a little 

 incurved at tip. Pulvillus wanting. Last joint of tarsi furnished above with four 

 excessively fine, long, aciculate spines, directed betAveen the claws. 



