264 NEW YORK STATE MUSEUM 



EXPLANATION OF PLATES 



Plate I. Sugar orchard of Ely Swart, near Arkville, Delaware co., 

 showing extensive defoliation by the forest tent caterpillar.^ 



Plate 2. Nearer view of a portion of the same. 



Plate 3. Single tree on same place. 



Plate 4. Maples and birches near Margaretville, Delaware co., 

 showing work of same insect. 



Plate 5. Larvae of Mamestra picta on portion of beet leaf. 



Plate 6. Eurypelma hejitzii. Fig. i, dorsal aspect of cast skin: 

 a^ dorsum of cephalo-thorax; b^ location of eyes; <:, empty coxal 

 cavities ; <?, loose skin of abdomen ; f^ palpi, 



Plate 7* Eurypelma hentzii. Fig. 2, ventral aspect of cast skin : 

 d, poison fangs; other lettering as in the preceding. 



a Plates 1-4 are from photographs taken by H. B. Ingram, of Kingston, N. Y. , July 8, i8qS. 



