Explanation of Plate XII 
(Except when otherwise indicated the specimens figured are in the 
collection of W. J. Holland.) 
1. Cossus centerensis Lintner, cJ', U. S. N. M. 
2. Hypopia bertholdi Grote, 9 • 
3. Hypopta henrici Grote, , U. S. N. M. 
4. Samia gloveri Strecker, $. 
^ 5. Artace punctistriga Walker, , U. S. N. M. 
6. Saturnia mendocino Behrens, cT- 
7. Actias luna Linmeus, cJh 
8. Hemileuca juno Packard, (Jh 
9. Hemileuca tricolor Packard, 
