Explanation of Plate X 
(Except when otherwise indicated the specimens figured are in the 
collection of W. J. Holland.) 
1. Rothschildia orizaba Westwood, 9 . 
2. Basilona imperialis Drury, $ . 
3. Citheronia regalis Fabricius, C 
4. Cither onia mexicana Grote & Robinson, cJh 
5. Adelocephala bicolor Harris, 
6. Adelocephala bicolor Harris, 9 . 
7. Syssphinx albolineata Grote & Robinson, cJb 
8. Coloradia pandora Blake, cT • 
9. Malacosoma disstria Hiibner, U. S. N. M. 
10. Malacosoma erosa Stretch, (Jb 
11. Malacosoma californica Packard, <Jb 
re. Malacosoma americana Fabricius, 9 » U. S. N. M. 
