EXPLANATION OF PLATE L. 



Fig. 1. — Ariisota virginiemu, head and first four trunk segments of larva, stage I. 

 Fig. 1«. — Aiiisota virginiensis, head and first five trunk segments, stage III. 

 Fig. 16. — Anisota virginiensis, end of body, stage III. 



Fig. Ic. — Anisota rirginienm, second and third thoracic segments, full-grown larva. 



Fig. Id. — Anisota virginiensis, head and four trunk segments, and tuliercles i (horn) and Hi (at base of horn), full- 

 grown larva. 

 Fig. 2. — Anisota stigma, head and four trunk segments, and last three segments (viii-x) of stage I. 

 Fig. 2a. — Anisota stigma, end of body, end of stage II (length of larva 10 mm. ). 

 Fig. 26. — Aniiota stignra, head and five trunk segments, stage III. 



Fig. 2r. — Anisota stigma, second thoracic horn, and the third (reduced ) thoracic horn, stage III. 

 Fig. 2d.— Anisota stigma, head and four thoracic segments, stage IV. 



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