i88 
NATURAI, HISTORY. 
that end of the cone it has left purpofely light 
enough to admit its pafl'age to another world 
of enjoyment. 
By calculation, one of thefe worms will 
produce between nine hundred and a thou- 
fand feet of filk at one fpinning : and fo 
thin and light is its texture, that the whole 
weighs no more than 21-2 grains. And as 
they were particularly formed to furnini 
mankind with a fubltance for drefs, that 
might render us more agreeable to each 
other, and thus inhance the few pleafures of 
our exigence, nature has caufed one fly to 
lay as many as 500 eggs. How grateful, 
then, we ought to be to the Creator, who 
thus forms, yearly, fuch an infinity of thefe 
manufatturers of the moft agreeable and 
beautiful fubflance the world affords, for our 
array and enibelliflmient ! By this worm, 
grandeur is more ennobled, and even royalty 
itfelf is rendered more majeftic. 
