NATURAL HISTORY. 193 
bands, one on the middle, and two narrower ones 
on the fides. The iegients of the abdomen are blue, 
with a black. ring towards their pofterior extremity. 
They are nine in number; the two laft larger than 
the reft andentirely brown. ‘This infect is found in 
meadows. 
_. The remaining libellula is only a variety in colour, 
§ the body being of a fine red. 



hee ETS Tg agoh > 
GENUS II. 

: EPHEMERA. 
CHARACTER. 
"Tar mouth has neither teeth nor fpiral tongue. 
The wings are ere&t, and the hinder fhorteft. The 
fail is furnifhed, with hairs, or briftles. The horns 
are fhort and briftly. 
EPHEMERA.—-DAY FLY. 
I HESE flies derive their name from the _fhort pe- 
riod of their exiftence. Some of their different {pe- 
cies live feveral days; while others, that take their 

