NYMPHAIJD/E. 159 



no trace of the nervure, but on each side of its proper 

 position is a slight ridge or fold running out to the hind 

 margin, each again dividing on the way. 

 On the wiug in July and August. 



Larva 2 inches in length. Head broad, having two pro- 

 duced points above, the ocelli prominent, and the face set 

 ■with stout pointed hairs ; second segment wider, and the 

 bodj' increasing in breadth to the fifth, and decreasing from 

 the tenth. Second segment with two long, lateral, pointed 

 and branched spines, pointing forward ; remaining seg- 

 ments with two, four, or six spines, pointed aud abundantly 

 branched with finer hair-like spines. Colour of the head 

 and its hairs glistening black, with the upper lip yellow, and 

 a marbling of pale yellow on the crown. Dorsal line black, 

 bounded on each side by a stripe of brilliant yellow, out- 

 side which is a row of velvet-black oblong spots. Sides 

 yelvety reddish-brown, with a lateral row of black streaks, 

 and some fine ragged lines of brownish ochreous. Spiracles 

 black ; spines reddish ochreous, with black tips and branches ; 

 ventral portion blackish brown, with paler spots ; legs and 

 pro-legs black, shining aud hairy ; the latter pinkish be- 

 neath. 



The very young larva, however, is ochreous yellow, with 

 the warts, from which the spines and bristles arise, large 

 aud shining, and on the seventh, ninth, and eleventh seg- 

 ments deep, dull, brownish ochreous spots. As it grows 

 these spots disappear, the ochreous colour gradually changes 

 to brownish, and the dorsal lines begiu to appear of a 

 brownish colour, but it is not until after the third moult 

 that the spines appear, short and stumpy, pinkish-brown, 

 with black tips and branches. The body is now black, with 

 the dorsal stripes whitish-violet, and it s not until after the 

 fifth moult that the colours, as in the full-grown larva 

 already described, begin to appear. In this, as in some 

 other cases, the description is condensed from the exceed- 

 ingly full and elaborate account by the late Mr. W. Buckler, 



