EXPLANATION OF PLATE XLVIII. 



Fig. 1. — EacJes imperialix, stage I; ch, caudal horn, highly magnified. 



Fig. 2. — Eades hnperkdh, stage II, much enlarged. 



Fig. Z.— Eades imperialh, ^rm&iwre ol full-fed larva, first stage; I, II; second thoracic tubercles, ), Hi; III, the same 



of the third thoracic segment; la, a dorsal tubercle of the first abdominal .segment; r, caudal horn. 

 Fig. 4. — Eades cacicus, from Brazil; lettering as in fig. 3. 



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