the branches of that tree : the young larvae fhelter 
themfelves in cells contained in the tumour. The 
white down, under which the larvae of the pine- 
chermes is found, feems to be produced much in the 
fame manner. That of tile box-tree produces no 
tubercules, but its pun&ures make the leaves bend 
and grow hollow, in the fhape of a cap. Both larva 
and chryfalis eje£f a white fweet-tailed matter, not 
unlike manna : it is found in Imall white grains. 
4 * 
The plate is magnified* 
GENUS ii.—COCCUS. COCHINEAL. 
The males have two ere£L wings ; the females are 
"without. 
The females fix themfelves and adhere almoft im¬ 
movably to the roots, and iometirnes to the branches 
of plants ; fome of them having thus fixed them¬ 
felves, lofe entirely the form and appearance of in¬ 
fects ; their bodies fwell, their fkin ftretches and 
becomes fmooth, and they fo much refemble fome 
kinds of galls or excrefcences found frequently on 
the leaves and branches of plants, that, in general, 
they are miffaken for Tiich-; after which changement, 
the abdomen ferves only for a kind of covering or 
fhell, under which the eggs are concealed. Geoffroy 
'calls thefe chermes . 
Others again (though they like wife fix themfelves, 
and adhere immovably to the leaves of plants) pre- 
D ferve 
