158 My lanation of Plates. 
PLATE XV. 
Skin of larva in third stage x 18. 
Puate XVI. 
Skin of larva in fourth stage x 19. 
PiatTeE XVII. 
Skin of larva in fifth stage (last) x 15. 
PuratTE XVIII. 
Skin of larva in fifth (last) instar x 18. 
PLATE XIX. 
To show dorsum of 7th abdominal segment (honey-gland region). 
—_ 
. In second instar x 50. 
WY  jilanneal yy oe HOY 
PLATE RON. 
. In fourth instar x 60. 
5, fifth eh eG! 
moo 
PRATE CAA 
Showing prothoracic plate in fourth (1) and fifth (2) larval 
instars x 100. 
PLatTe XXII, 
Showing 1, prolegs and 2, claspers of last stage larva x 100. 
PEATE SOX LIT. 
Fig, 1. Leaf of Soldanella alpina x 4, showing how young larva 
makes small round holes and mines out the intermediate 
tissue of the leaf. 
2. Pupa case spread out x 6. 
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