dOtfCINELLA. 
378 
of trees ; and in its larva date is a devourer of plant 
lice *. The different fpecies of thefe animals are known 
principally by their colour, and the number of fpots with 
which their wings are adorned. Linnaus has enumerate 
ed no lefs than forty-nine kinds. 
* Vide Rai Inf, p. 86, 
