120 PERFECT SOCIETIES OF INSECTS. 
nest; in some species it not being more than fifty or 
sixty.—They may more easily be studied than either 
wasps or hive-bees, as they seem not to be disturbed 
or interrupted in their works by the eye of an ob- 
server *, 
Iam, &c. 
2 This account of the proceedings of humble-bees is chiefly taken 
from Reaumur, vi. Mem. 1.; and M. P. Huber in Linn. Trans. vi. 
214-- . 
