22 PLA ELE VCLAXX VET. 
had been more than twenty years endeavouring to make his cabinet 
the moft complete in England, never met with it. 
About three years fince, they were taken in great plenty near 
London, both at Batterfea and Highgate; and haye been met with 
in other places fince that time. Like the Ephemerz, and other 
gaufe-wing Infects, it delights in moift places, particularly among 
the reeds, The larva is unknown, but we fuppofe that it lives in 
that ftate in the water ; and which moft likely it does not leave till 
it becomes a winged creature. The larva of fome fpecies of this 
genus feed on the {maller kinds of Infects. 
The wings are the moft pleafing objects for the microfcope that - 
can be imagined: the reticulations and feathered edges are fo tranf 
parent, that they may be examined with the deepeft magnifiers, 
_ which is an advantage few objects of fuch a fize poffefs. The 
magnified figure is given, with the natural fize in the annexed 
plate. 
Fabricius has erroneoufly quoted the feventh and eighth figure of 
the fifth plate of Schaeffer's Icones, which is certainly no other than 
the eommon kind, Hemorobius perla, and which is fo often found 
in gardens with a fine golden eye. “Uhe figure quoted in Su/ger and 
Roefel agree with our fpecimen. 
PLATE 
