EXPLANATION OF PLATE XIX. 
Palingenia robusta, larva. 
Fic. 9.—Right maxilla from below. 
10.—Right labial palp from below. 
11.—Left fore leg from below. 
12. 
», 13. ¢Spines and hairs from fore leg. 
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15.—Left middle tibia and tarsus from above. 
16.—Left hind tibia and tarsus from above. 
