(90) 
never break oflf, thsmfelves. This, he affirms,they put out with 
lomuch quicknefs, and draw it fo fubtle and fo long, that, 
without an Hyperbole^ the ^o^/ or chread of every Ca/e may have 
two Leagues in length. He advertifeth, that they muft be 
by no means interrupted in their work, to the end, that all the 
Silk, they have in their bellyes, may come out. 
Some eight dayes after they have finilhed their Workj as 
many of the beft Cafes, are to ferve for feed^ i/i^^.the firft done, 
the hardeftjthe reddeft and beft coloured^muft be chofen,and 
put a-part ; and all diligence is to be ufed to winde oflF the filk 
with as much fpeed3 as may be, efpeeially if the Warms have 
nimbly difpatched their work. 
Here he fpends a good part of his Book^in giving very parti- 
cular loftruitions, concerning the way of winding off the filk, 
letting alfo down the form of the Oven and Inftruments ne- 
eeffary for that work, which is the painfulleft and niceft of all 
the reft. 
Touching their Generation^ he prefcribeth that there be cho- 
fen as many male as itmoXe-Cafes ^ which are difcerned by this, 
that the males are more pointed at both ends of the Cafes, and 
the females more obtufe on the ends, and bigger- belly ed ) and 
that care be had, that no Cafes be taken, but fuch wherein the 
Worms are heard rolling ; which done, and they being come 
forth in the form of Butterflyes^haying four wings, fix feet, two 
horns, and two very black eyes, and put in a convenient place, 
the males fluttering with their wings, will joyn and couple with 
the females, after that thefe have firft purged themfelves of a 
kind of reddifh humour by the fundament : in which pofture 
they are to be left from Morning (" which is the ordinary time 
of their coming forth) till cvening5and then the females are to 
be gently pulled away, whereupon they will lay their eggs, ha^ 
ving firft let fall by the Fundament another humour,efteemed 
to proceed froni the feed of the males ; but the males are then 
thrown away as ufelefs,He advertifeth, that if they be coupled 
longer then 9. or 10. hours,(which they willbe,and that fome- 
times for 24 hours together, if they be let alone) either the fe- 
male will receive very great hurt by it, or much feed will re- 
miin in h^r belly. 
The 
