PIERINAE: THE GENUS EURYMUS. 1097 



from the apex of the cell to the outer margin, its upper branch forking at about half 

 way to the tip;* cell a little less than half as long as the wing and scarcely three 

 times as long as broad. 



Hind wings vith the costal margin well roundod, more strongly on the basal than 

 on the apical half, the outer margin a little full aud roundly augulated in tlio upper 

 part of the subcostal region, especially lu the $, below broadly aud pretty regularly 

 rounded, more convex in the $ than in tlie $ ; inner border broadly expanded at the 

 base, beyond slightly convex, the apical third somewhat excised; the angle rounded 

 broadly. Costal nervure without any branch ; vein closing the cell striking the sub- 

 costal and median nervurcs at about equal distances beyond their second divarication. 



Fore tibiae a little more than two-thirds as long as the middle tibiae; fore tarsia 

 little longer than the fore femora aud a little shorter than the middle tai'si or still 

 shorter than the hind pair; hind femora two-thirds {$) or more than three-quarters 

 (?) the length of the miildlc pair. Femora fringed rather heavily with long hairs. 

 Tibiae armed beneath on either side with a row of distant, short and very slender 

 spines, with a similar row on each side and at tip a p.air of rather short and slender, 

 tapering spurs. First joint of tarsi scarcely shorter than the others combined, the 

 tliird and fifth equal, the fourth more than half as long as the second, all armed 

 throughout with frequent, short and slender spines, mostly arranged in longitudinal 

 rows ; beneath with greater regularity than above, there being four rows, and the apical 

 spines of each joint are a little longer than the others ; claws rather lai-ge, compressed 

 rather regularly but not greatly curved, somewiiat divaricate, bifid for more than half 

 their length, the lower branch shorter than the upper and more curved; paronychia 

 aud pulvillus entirely absent. 



Eighth abdominal segment produced posteriorly in the male as a rather stout and 

 blunt hook, usually rather strougly curved. Hook of upper orgau small, about half 

 as long as the hook of the eighth segment and similar to it, but rather equally curved 

 aud tapering regularly to a point. Clasps scarcely one-third as long as broad, broadly, 

 roundly and rather deeply excised on the posterior margin, the upper portion curving 

 inward and bearing posteriorly a slight tooth. 



Bgg. Ro\inded subfusiform, largest in the middle, tapering below nearly as much 

 as above, broadly rounded next the summit, which itself is squarely truncate, flat, 

 thickened at the rim ; provided with a considerable number of vertical ribs slightly 

 raised and rather delicate, all of which reach the base,, but a few, before attaining the 

 summit, unite with their neighbors to form a single rib, and connected by numerous 

 distinct but very delicate raised cross lines. Micropyle rosette occupying nearly the 

 whole summitof the egg, and composed, besides the few oval cells surrounding the cen- 

 tre, of numerous small angular cells. 



Caterpillar at birth. Head broadest at the summit, a little broader than high, the 

 sides narrowing a little only in a curve as far as the ocellar field, the part below well 

 and regularly rounded, summit almost square. It is deeply shagreened and furnished 

 both with occasional rather long, tapering hairs and with distant, pellucid, papilla- 

 mounted bristles, like the wine glass shaped ones of the body but longer. 



IJody of the form of the adult but slenderer than the head, roughened uniformly 

 with multitudinous raised points, armed also with regular rows of slightly elevated 

 small, conical warts, each bearing a very short pellucid bristle, the upper ones infun- 

 dibuliform or short wine glass shaped, the lower club shaped (86: 42); they are 

 arranged in longitudinal rows as follows : a laterodorsal series, one on the anterior por- 

 tion of each segment; a supralateral row, one on the posterior part of each segment ; 

 a suprastigmatal row, one in the centre of each segment ; and a substigmatal row, two 

 on each segment the posterior higher than the anterior. The position of these warts 

 on the thoracic segments is modified, they being arranged on the anterior half of the 

 segments, in a transverse row; the terminal segment has a few long, backward directed 

 hairs ; the first thoracic segment bears a transverse row of not very long ones and there 



•The second and third sulico.stal nervules are closely approximated in E. eurytheme. 



