Description of Plate I. 
Larva of Hypsipyla robusta, Moore . 
Fig. 1. Fourth stage larva, x4, lateral view. 
Fig. 2. Fourth stage larva, x4, ventral view. 
Fig. 3. Diagramatic representation of the arrangement of setiferous tubercles on 
the body; Ti, first thoracic segment; Tii—iii, second and third thoracic segments : 
A iii, third abdominal segment; A viii, eighth abdominal segment; A ix, ninth abdominal 
segment; A x, tenth abdominal segment. 
I, a, b, c,=anterior trapezoidals. 
II, a, b, c,=posterior trapezoidals. 
Ill, 
=supraspiraculars. 
IV, V 
= subspiraculars. 
VI 
=laterals. 
VII 
= marginals. 
