1492 



THE 15UTTERFLIE.S OF NEW ENGLAND. 



flap, directed upward and a little outward, its apex scarcely at all rounded. Ijutthe 

 outer an i;le i)rodnced into a small, incurved, rounded pad. liujht clasp: Main body 

 similar to that of the other side, with rather deeper excisions and more prominent 

 projections. Blade exceedingly broad and short, its outer surface gibbous, es- 

 pecially near the apex, and twisted a little in its course so as to bring its outer 

 surface somewhat upward, its curve the continuation of that of the main body, 

 as on the opposite side, the lower edge directed a little upward with a sinuous curve, 

 the upper edge curved upward, the apex broader than the base, squarely docked, the 

 lower angle rounded, the upper square, almost produced and armed with a few minute 

 spinules beyond the central excision of the apical edge ; basal process almost entirely 

 concealed ; it is a small, narrow, appressed, dentiform, bluntly pointed piece, directed 

 almost straight inward from the base of the upper edge of the blade. Lobe exceed- 

 ingly broad and very short, nearly twice the breadth of that of the opposite side, and 

 having a similar direction, its apical border excised, the angles forming the upper and 

 hind processes, the former well rounded, gibbous and incurved, the latter greatly 

 produced as a prolonged flap, uniform in breadth, well rounded at apex, gibbous and 

 bent strongly inward at right angles, crowding against and concealing the basal 

 process of the ijladc, which it equals in length, and almost coming in contact with the 

 blade itself. 



Described from 13,3$. 



Accessory sexual peculiarities. The costal fold of the fore wing of the male en- 

 closes a dense clustered mass of pediform bristles (47 : 9 f) about 1.25 mm. long; 

 aadroconia (9 a-d) of varying shapes, and large cover-soales (9 e) differing in no 

 apparent way from those of T. juvenalis. 



Comparisons. This species is darker even than T. horatins, but difl'ers especially 

 on fore wings by the distinct, cinereous patchatthe tip of the cell and cinereous clouds 

 next outer border, which are present only with greatly diminished force in the female 

 of T. horatius; the vitreous spots average much smaller and especially the lowest of 

 the subcostal series is more frequently smaller than any of the others, and the cellular 

 spot is always minute or obsolete. It difters from T. juvenalis in the greatly dimin- 

 ished size and abundance of the vitreous spots, the lack of pretty uniform gray fleck- 

 ing over the fore wing, the even otherwise much darker color and the much less 

 clearly defined, darker bands; so, too, the distinct, cinereous patches of the outer half 

 of the wing are wanting in T. juvenalis. 



This butterfly is doubtless found through tiie wliole latitudinal range of 

 the Carolinian and AUeghanian faunas (28 : 6) , but only east of the AUeg 

 hanies and mostly near the seaboard. From soutli northward the places 

 from which it is known to me are Appalachicola (Thaxter) and other 

 parts of northern Florida, Georgia, South Carolina (Atkinson) and North 

 Carolina (Morrison). 



It is not again reported farther north until we reach New England, where 

 it has been taken in Farmington, Conn. (Norton) and Deerfield, Mass. 

 (Sprague). 



As to its seasons we know nothing except that it must be double brooded, 

 as Mr. Sprague's specimen, a female, was taken August 13. It is there- 



