SPHINX GORDIUS 145 



above with white, then with crimsou. The head was 

 very dark yellow-green. 



The fourth molt followed the third iu eight days. 

 The head was green, with yellowish face-lines edged with 

 deep red-brown, not pointed, but not round. The 

 body was apple-green covered with white dots, each 

 dot encircled by a black ring, except near the obliques, 

 where the rings were not found. The legs were red- 

 dish. The horn was short, stout, green above and be- 

 neath, black on the sides. The obliques were white 

 edged above with crimson, which was darkest at the 

 outer edge. 



The caterpillars began to eat at the top of a spray 

 of leaves, never left one leaf until all was eaten, then 

 took the next leaf below. 



When full fed the caterpillars were very blue-green, 

 with white, black-ringed dots everywhere except on 

 the anal segment in front of the horn. The body was 

 lighter green on the dorsum. The spiracles were 

 orange, with a yellow line around each. The legs were 

 light red, the props dark green, the obliques white 

 edged above with pale crimson, then deep crimsou, 

 with a hair-line of black at the upper edge. The head 

 was large, dull green, with light green face-lines edged 

 with brownish green. 



The caterpillars varied in size and color, those de- 

 scribed above being the most common form. Others 

 were of a deep olive-green color, overlaid with wine- 

 color, especially on the back, with the obliques of 

 white, crimson, and almost black. Others were of 

 a deep wine-color, the exact shade of the whortleberry- 



