Neither is he wanting in giving an accurrateaccdinpt of the 
fine texture of t\i% Spinall Marrow^ and the Cranium, 
But from the Anatomy of the parts he proceeds to ihtit Fee- 
dingy and obferves the various fpace of time for it. 
He takes further notice , that though stench be no prejudice 
to them, yet a Southern ^m^i and an extreme Hot AirmskQ 
them fick. He informes us alfo, how they are ordered after they 
have fed enough^ and are ready to fpin 5 as alfo , how they fpin ^ 
what motions and poftures tbey ufe in that work 5 how they 
apply their feet and claws ^ hov^^ they hold their head and other 
parts of the body > of what figure their Webb is 5 in what time 
the Bagg is finiflit 3 together with the difference of the Silk on 
one and the fame bagg 5 and the conjunftion fometimes made 
by/w worms in fpinning^?;;ebagg , which he faith caufeth fuch 
an intanglement that the Silk cannot be vvound off. 
He forgets not tofet down thtgrahd Change of the Silk- 
worm, after 'tis exhaufted byfpinningj how all the parts are 
altered 5 the tefticles enlarged ^ and the whole difpofed to af- 
fume the form of the Amelia or Chryfalis , diverting it felf of its 
coat in the fpace of i. min, 10. fee > the manner of which he 
very curioufly defcribes , having attentively beheld it himfelf. 
He adds , how the Wings a^d other parts are form'd for the Pa- 
f iUo or Butterfly J and how indeed the Win^ are latitant un- 
der the fecond and third King of the Wormf^ before it works the 
bagg. 
of the Aurelia he defcribes its iliape and all the parts , and 
particularly the remaining Veftighoi the filky Inteftins^ the Ven- 
tricle 3 and the concrete melleous Juyce therein , together with 
fome though rare and fcacce perceptible motion of the Heart. 
Then^ how the Aurelia changes into a Butterfly ^ and in what 
time n)iz>, in the fpace of 10. daysinSummer^andinaMonths 
timem Autumne and Winter, Where he adds, howthe^gji 
begin in the Femals upon their change into Aurelia and how at 
laft the Butterfly breaks out by themeanes of its Claws and a 
iharp liquor. 
To this he fubjoyns a particular defcription of the form of the 
Butterfly , and all its parts 5 of the Motion of its Heart , of the 
diffeieacing m^^rksof the ^ak from the Female of the curious 
ftruftuce 
