254 



OBSERVATIONS 



ON 



INSECTS AND VERMES. 



INSECTS IN GENERAL. 



The day and night insects occupy the 

 annuals alternately: the papilios, muscae, 

 and apes, are succeeded at the close of day 

 by phalaenae, earwigs, woodlice, &c. In 

 the dusk of the evening, when beetles 

 begin to buz, partridges begin to call ; these 

 two circumstances are exactly coincident. 



Ivy is the last flower that supports the 

 hymenopterous and dipterous insects. On 

 sunny days quite on to November they 

 swarm on trees covered with this plant ; 

 and when they disappear, probably retire 



