COCCUS'. 
194 
scarlet in grain ; the animal having been popularly 
considered as a grain: the colour is a durable, 
deep red, called ox-blood colour, much inferior to 
the brilliancy of Cochineel scarlet, but far more 
lasting, and less liable to stain. Mons^ Hellot, in 
his Art de tiendre, observes that the figured cloths 
to be seen in the old tapestries of Brussels and 
the other manufactures of Flanders, which have 
scarcely lost any thing of their liveliness by stand- 
ing for two hundred years, were all dyed with this 
ingredient. 
Coccus Polonicus. This may be considered as 
the Cochineel of the North ; being found only in 
cold climates. It is sometimes collected for the 
use of dyers, but is greatly inferior as a colour 
to the American Cochineel. It is chiefly found 
on the roots of the plant called Scleranthus per- 
ennis, and is principally produced in Poland. 
Coccus cataphractus. This very singular species 
was described several years ago in the fifth volume 
of the Naturalist’s Miscellany, from a specimen 
communicated by the ingenious Mr. Dickson, 
Oardener to the British Museum, and well known 
for his assiduous researches into that difficult 
branch of Botany the class Cryptogamia. Mr. 
Dickson, soon after its discovery, requested me to 
examine its characters, and endeavour to ascertain 
its genus. I accordingly made a microscopic sur- 
vey of the animal, and could not but conclude it 
to be a species of Coccus. 
, The natural size of the insect, (of which the 
