p. PANDORUS AND ACHEMON 103 



among the vines, examining every lobe of every leaf 

 of every long trail of vine, and finding many eggs and 

 a few liatchlings. The eggs were laid singly on the 

 upper side of nearly full-grown leaves, except in two 

 instances, when each egg was laid on a grass-blade 

 which lay across a leaf and an inch and a half or two 

 inches above it. It was hot work kneeling in the sun 

 and grew hotter every moment, and the passing farmers 

 nearly tumbled off their wagons in their efforts to see 

 what " the Bug- woman " could be doing, while the 

 boys who were driving cows to the pastures over the hill 

 and down the other side made a pretense of picking 

 up stones to throw at laggards, or cutting unneces- 

 sary switches from the one small willow, in the hope 

 of making out why One of Us was on her knees in 

 that place at that hour. 



After careful examination several long s^Drays were 

 marked as having no eggs on them, and One of Us 

 went home, hot but triumphant, to repeat the per- 

 formance several times, getting eggs each time and 

 learning the exact date of the laying of the eggs found 

 on the marked sprays. Then came the waiting to 

 find out if she had both species or only one, and this 

 was patience-trying. 



The eggs were almost globular, dark, bright green, 

 and grew yellower before hatching. The egg-period 

 was six days for some, and seven for others found in 

 cooler weather. 



The young crawlers had large, round, pale-green 

 heads, yellow-green bodies, feet, and props, and dark 

 caudal horns exactly as long as their bodies between 

 horn and head, and ending in two setae. Around the 



