NAT. ACAD. SCIENCES, VOL. 9. 



FIRST MEMOIR, PLATE XV. 



L. H. .Toutel. del. A. HOEN A Co.. UTH.. BALTIMORE. 



1. Citheronia spleudens; 2. C. laocoou; 3. Eacles imperialis, var. 4. Egg of C. regalis. 



