Plate XXXIII. 



Fig. 1, la. Heterocampa guttmUa, Stage III; 1ft, face; Ic, protljoracic tubercle. 



Fk;. 2, 2a. Heferocampa ijiilMvUUi, fully grown larva, .July 21, ou scrub oak (the motli reared). 



Fic. 3, 3a. Heterocampa ijuttrntla, ."^tage IV, of tig. 2. 



Fig. 4, 4a. Heterocampa iinicolur: Stage I, 4/;. 4c, dorsal tubercle of prothoracic segment. Bridgbam del. 



Fig. 5. Heterocampa on oak, Georgia. Leconte del. 



Fig. 6. Heterocampa, Georgia. Leconte del. 



Fig. • 7. Heterocampa on oak, Georgia. Leconte del. 



Fig. 8, 8a. Heterocampa umbrata (iithereo, piilrerea), copied from Doubleday's figures iu the Entomologist. 



Fig. 9. Heterocampa astarle, copied from Doubleday's figure in the Entomologist. 



358 



