272 



5. Sept. 20, green larva became yellow this morning. Sept. 21, sus- 

 pended. Sept. 25, green chrysalis. June 24, 1823, butterfly. 



6. Sept. 21, green caterpillar became yellow. Sept. 22, suspended. 

 Sept. 26, green chrysalis. June 24, 1823, imago. 



7. Sept. 23, green larva became yellow. Sept. 24, suspended on a leaf. 

 Sept. 27, green chrysalis in the morning. 



8. Sept. 23, green caterpillar became yellow. Sept. 25, suspended this 

 afternoon. Sept. 27, brown chrysalis. June 20, 1823, imago. 



9. Sept. 14, blackish larva becomes green. Sept. 27, green larva, be- 

 comes yellow. Sept. 28, suspended this afternoon. Sept. 30," chrysalis in 

 the morning. July 3, 1823, this became a butterfly, and was the last one. 



10. Sept. 14, small, blackish larva on the tree. Sept. 25, became green in 

 the morning, showed its scent organs. Oct. 11, changed and became yel- 

 low. Oct. 12, suspended. Oct. 17, chrysalis in the morning. June 25, 

 1823, imago. 



Chrysalis state lasts all winter; butterflies June 16th to July 3d. 



August 15, 1823. Found larva on a sassafras leaf. Color olive on the 

 back ; two black ocelli on the third segment, four small orange colored spots 

 placed two and two, with a central blue dot in each, the two anterior be- 

 tween the black ocelli and adjoining them, and the others behind them. 

 Back with about eight blue dots, two and two; sides and tail whitish; head 

 pea green ; a more dilated white spot behind each side of the enlargement 

 of the anterior part of the body. 



Aug. 23 and 24, remains at rest without eating. Aug. 25, A. M., had 

 taken its green color, having thrown off its dark coat the night previous. 

 Sept. 14, began to grow yellow. Sept. 15, remained at rest all day. 



Aug. 7, 1827. Found the larvae on the sassafras, two of them green, one 

 smaller, bronzed olive [PI. n, fig. 1], and one very small, blackish, with 

 white oblique lines. [PI. iv, fig. 16.] 



1. Aug. 11, P. M., largest became orange-colored. Aug. 12, A. M., sus- 

 pended. Aug. 13, A. M., chrysalis. 



2. Aug. 12, changed to an orange color. Aug. 12, olive color changed 

 to green. 



