a4 PL AsT Bx xix. 
Number, though the latter is already reprefented in the early part of 
the Work. 
We have nothing particular to add to our former account of its 
hiftory. In the larva and pupa ftate, it is found crawling at the bot- 
toms of pools or ditches, and fubfifts on the larve of Gnats and 
other Infects; but in the laft ftate, it leaves its aquatic abode, and 
fubfifts on fmall winged infects, efpecially Moths; it is not uncom- 
mon to fee one of this fpecies ftop fhort in its flight; dart down like 
a Hawk upon a Moth or Butterfly, and tear it to pieces in an inftant; 
ot Ay with it in its mouth, to fome mote convenient place to devour 
it, 
PLATE 
