8G 



HALF HOURS WITH INSECTS. 



[Packard. 



dropped three or four times, from a height of about ten 

 inches, upon the bacli of the first joint of the thumb. The 

 sensation did not differ materially in kind from the sting of 

 the nettle, but was more acute. In a few minutes the sur- 

 face became reddened, and in a short time numerous sliglitly 

 elevated whitish blotches made their appearance, accompa- 

 nied with a burning and itching. The following day the 

 thumb could not be bent without experiencing a sensible 



Fig. CG. 



3y ^\\ \ a/^ ■ i 



Caterpillar and Pupa of Maia Moth, after Riley. 



degree of pain, which was materially increased by an attempt 

 to bring the joint to a right angle. This stiffness of the 

 joint continued for four days. When the blotches subsided, 

 small purplish spots of coagulated blood appeared in their 

 place, which by degrees became more circumscribed, until 

 after the lapse of a few days, when they presented an appear- 

 ance similar to that of grains of gunpowder burned beneath 



22 



