354 BRITISH BUTTERFLIES. 



2'5mm. across to extreme of eye-covers (in both cases along the curve, not 

 direct) ; centrally and laterally it has a good many lenticles and short 

 hairs, almost without on an intermediate line ; the lines of network 

 are rather transverse in front and laterally, longitudinal centrally and 

 further back, less of a network than elsewhere, but essentially the 

 same sort of reticulation. The eye-covers show a smoothly curved 

 bounding-line, of darker tint, outside which the lines of the network 

 of sculpturing fall on it perpendicularly, i.e., radially; within the line 

 is a broad arc of eye-points, and, centrally, is a portion of ordinary 

 reticulated surface with five or six hairs and three or four lenticles. 

 The labrum is a small square, about 0*25mm. across, with angles 

 crosswise ; it is fairly well-marked off. The mandibles are, on the 

 other hand, continuous with the face-piece, with no suture, and meet 

 in the middle line for about 025mm. ; where no suture can be seen 

 (as here) it is very possible the mandibles are absent or buried, and it 

 is the face-pieces that carry them that meet each other ; it is more 

 probable, however, that the suture and not the whole mandible is 

 evanescent, in any case, it is convenient to call the mandible anything 

 that meets across below the labrum. A very minute diamond of tissue 

 in the middle line, so small that one can hardly say it is between the 

 mandible and the maxillae, represents the labium. The maxillae, broad 

 at tip, extend down for 3 -5mm. when they disappear, being covered for 

 the rest of their course by the antennae. . The first legs, very broad at 

 top, narrow rapidly and end in a sharp point, at 2mm. long ; they 

 touch the antennae for about 05mm. ; then the second legs begin as 

 sharp points, widen, and terminate as the first pair, descending nearly 

 lmm. beyond them, and 0'5mm. before the maxillae are also covered 

 by the antennae. The external appearance and the mass of filmy inner 

 dissepiments present, strongly suggest that the legs (first and second) 

 are not here, as in many pupae, exposed to their extremities, but that 

 a considerable portion of their extremities is covered up by the 

 antennae lapping over them, just as in the case of the maxillae. This 

 view is confirmed by finding that the traces of hairs and lenticles on 

 them, and which occur (as already described under the Theclids) about 

 the tibio-tarsal and tarsal joints, here occur close to the ends where 

 they disappear ; these would be on the tarsus, as there are others, 

 representing the tibio-tarsal joint, a little higher up. The legs present 

 no trace of sutures marking the tarsal joints. The antennae are about 

 7- 5mm. long, and meet in the middle line for the last 2-5mm. to 3mm. 

 of their length, they are somewhat broader here, for a length greater 

 than the club of the antennae. The reticulations, like those of the 

 legs, are delicate, almost faint, the lines largely transverse, but giving 

 no indication of the antennal segments except for about their basal 

 third. The prothorax has a median suture, about lmm. long, 

 margined in a very dark tint in coloured pupae, each half about 2mm. 

 to external, sharp, angular point; a large area a little be} T ond the 

 middle of either half is crowded with lenticles as closely packed as 

 possible ; where, round the margin of the patch, they are separate 

 enough for it to be seen, each is observed to occupy the centre of a cell 

 of (he network of the fine skin-sculpturing, which occurs everywhere 

 on the pupa ; this crowd does not intrude on the inner fourth or front 

 third of the piece, which presents only one or two hairs and lenticles; 

 there must be 300 to 400 lenticles in the patch of either side, in a, 

 space of about l'Omni. x 0-3inm. To the front of the prothorax is 



