Explanation of Plates. 159 
PLATE XXIV. 
Showing face and appendage covers x 20 and portions of leg 
covers (and of antenna and. wings x 50), to show the lenticles over 
the tibio-tarsal joints. 
PATE OXY, 
Shows dorsal head piece, prothorax, and mesothorax (of one side) 
of pupa x 30. 
PrATE XOX VI. 
Shows metathorax (of one side) of pupa with parts of first and 
second abdominal segments and of mesothorax and wing covers x 30 
and the region of the right spiracle of the fifth abdominal segment, 
with suture 4-5 in front x 100. 
PLATE XXVIII. 
Fig. 1. Ventral portions of abdominal segments 5, 6, 7, 8 
and 9 x 50. 
2. Continues fig. 1 on to dorsum, showing cremastral armature 
of hooks. Segments 9 and 10 (abdl.) are not here 
distinguishable x 50, 
