POLYBIA, 28 
In the British Museum there are some very remarkable 
nests made by hymenopterous insects belonging to the 
genus Polybia, several of which are drawn in the accompany- 
ing illustration. As it was desirable to include more than 
POLYBIA. 
one specimen, the figures are necessarily much reduced in 
size. Neither the nests nor the insects, however, are of 
large dimensions, and the former are so sombre in colour, 
D 
