348 Or THE SILK-WORM. 
provided you make it of the fame; therefore we by all 
means recommend your reeling yours of the finenefs of 
five to fix cocons, no coarfer at any rate if avoidable. 
And we further beg leave to recommend your giving or- 
ders to your workmen to be extremely careful in afforting 
the filk, obferving that all that is put into one parcel be 
exactly, if poffible, of the fame finenefs ; for if it is not, 
it will very much prejudice its Tale; a neglect in this par- 
ticular is complained of in all the filk that has hitherto 
been received from America. If the filk, which was very 
good in itfelf that we received from Georgia, had been 
properly afforted, we certainly fhould have fold it 1/6 or 
2/. per Jb. better than we did. If you reel your filk fine 
the China filk rather promotes its fale than otherwife, as 
it is neceflary to have fine filk to work up with that of 
China. 
We hall at all times be very ready to communicate 
to you any intelligence in our power. 
We are, with refpect, 
Sir, 
Your moft obedient fervants, 
HARE & SKINNER. 
Cuap. I. Of the Silk-Worm. 
THE perfon who purpofes raifing a quantity of filk~ 
worms, and preferving good eggs, mutt begin a year be- 
fore hand. He muft choofe a certain number of good 
cocons, or filk cods, the fuperficies of which, he flightly 
pierces with a needle and thread and ftrings them by 
{cores ; which done, he hangs them up in a convenient 
room, this being the moft proper pofition for them. Af- 
ter the moths or butterflies contained in the cocon, have 
eaten their way through their natural inclofure, (which is 
generally about four days after the cocon is finifhed*) you 
may 
* It happens fometimes the butterfly is longer before its birth, i, e. from 15 to 30 days if 
the weather is chilly. They generally come out in the morning, 
