PLATE XII. 



CALLOSAMIA PROMETHEA. 

 Larval stages. 



Fig. 1. — First stage. Bridgham del. Food, sassafras and wild cherry; July 15. 



Fig. 2. — Second stage. Bridgham del. Food, sassafras and wild cherry; July 23, 1888. Spot on side of last abdom- 

 inal leg should be crescentic. A, dorsal view; B, side view; C, dorsal tubercle, side view; D, dorsal 

 tubercle, from above; E, front view of head. 



Fig. 3. — Third stage. Joutel del. Two different larva?. "Promethea has only four stages: ctcropia, polyphemus, 

 tuna, usually five stages, sometimes six stages; gloveri five and six stages; californica five stages." (Note 

 bv Packard on back of Joutel's drawing.) 

 300 



