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XXIV. Natural Hiftory of the InfeB which produces the Gum 
Lacca. By Air. James Kerr, of Patna ; communicated by 
Sir Jofeph Banks, P. R. S. 
Read May 24, 1781. 
COCCUS LACCA. 
Head and T HE head and trunk form one uniform, oval, 
trunk. comprefled, red body, of the fhape and magni- 
tude of a very fmall loufe, confifring of twelve 
tranfverfe rings. The back is carinate ; the belly 
flat ; the antennae half the length of the body, 
filiform, truncated, and diverging, fending off 
two, often three, delicate, diverging hairs, longer 
than the antennae. The mouth and eyes could 
not be feen with the naked eye. 
Tail. The tail is a little w T hite point, fending off two 
horizontal hairs as long as the body. 
Feet, 3 J has three pair of limbs, half the length of 
the infedh 
I have often obferved the birth of thefe infedls, 
but never could fee any with wings ; nor could I 
find any diflindlion of fexes, nor obferve their 
connubial rites : nature and analogy feem to point 
out a deficiency In my obfervations, poffibly 
4 owing 
