EXPLANATION OF PLATE L. 



—Anisota virginiensu, head and first four trunk segments of larva, stage I. 

 . — Anisota lirginiemis, head and first five trunk segments, stage III. 

 — Atnsota tirginlensis, end of body, stage III. 



— Anisota, rirghiiemis, second and third thoracic segments, full-grown larva. 



, — Anisota virginiensis, head and four trunk segments, and tubercles ) (horn) and Hi (at base of horn), full- 

 grown larva. 

 —A7iisota stigma, head and four trunk segments, and last three segments (viii-x) of stage I. 

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

 — Anisota .itigma, head and five trunk segments, stage III. 



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

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



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