128 Journal New York Entomological Society. [Voi. v. 
The maxillae just fall short sufficient to show the extremities of the 
third pair of legs. 
The first pair of legs extends two-thirds of the way down, and be¬ 
tween these and the maxillae, extending one-third of the way down from 
nearly the top of the maxilla, is a piece (first femur) jointed in the 
centre. The second leg has a small facet against the maxillary palp, 
cutting off the first entirely from the antennae. 
Each prothoracic portion has two hair points some distance apart; 
the two on the mesothorax are close together. 
The metathorax appears to have two pairs on each side. The hind 
wings do not disappear under the fore wings till they have reached the 
fourth abdominal segment; they present a well marked Poulton’s line ; 
this is also very well marked along the extremity of the forewing. 
The first four abdominal segments are fixed : the spiracles of the sec¬ 
ond and third find room by slightly indenting the wings. 
The fifth and sixth segments are free. On the second and following 
abdominal segments is an anterior trapezoidal and a supraspiracular 
hair; also a prespiracular hair ; and on the fourth and following a sub- 
spiracular hair. A posterior trapezoidal is nowhere determined dis¬ 
tinctly ; but above and behind the spiracles is a small pale area with 
three small circular lacunae. The abdominal spiracles project as pale 
truncate cones. 
The last segment terminates in a conical spine apparently with an 
elaborate armament, and has several fine hooks round its base and some 
hair-like spines in the anal region; but it is impossible to clear this of 
silk sufficiently to make sure of anything. 
The whole surface of the pupa is marked by transverse lines or sulci 
waved and with fine branches running into the intermediate areas 
(Plate VI, Fig. 7), reminding one, especially on the wings, and probably 
similar in structure to the sulci between cerebral convolutions ; these 
vary very much over different parts of the pupa; on the centre of the 
wing, for instance, forming a vortex like the ridges of the tip of the 
finger. On portions of the abdominal segments the fainter mark¬ 
ings are disposed more like the folds in a cushion where it is uphol¬ 
stered. These folds are very beautiful on the antennae, but here and 
elsewhere are too complicated for a detailed description. The claws 
(Plate VI, Fig. 2) on the true legs of the larva are remarkably long and 
narrow, the same length, and one-fourth the width of the preceding 
joint; this appearance is emphasized by this joint being of very uniform 
width and squarely truncated at its distal extremity. The pupal nerva- 
