NATURAL HISTORY. 
Microdon apiformis, (Figured by Curtis, pl. 70.) 
Oxycera xylota. 
Conops pipens, 
picta. Cliffs at Teignmouth, 
variabilis. 
- sepulchralis. 
Ochthera mantis. Taken by Dr. Leach. 
It has been calculated that the number of Insects 
found in Great Britain, exceeds 16,000 ;—and there 
is every reason to believe that this district produces 
its due proportion, The above catalogue which 
does not enumerate above 250, is therefore intended 
only to note a few of the most remarkable, or of 
such as are most interesting fur their rarity or 
deauty. 
