sn 
@ 
Miucrocrapala, 
very confpicuous necr the knee, as ih the cleft KK; when the Beaid was 
drys upon the difcovery of which. 1 began to think, that it wast the 
{welling of this porous pith upon the accefs of moiftute or water tharthe 
Beard, being made longer in the midft,was ftreighthed,and by the fhtinka 
ing or fubfiding of the parts: of that Spongie fubftanée tovether. when 
he water or moifture was exhal'dvor dried, the pith varaedeite parts 
growing fhorter, the whole became twifteds 91) is vor! vere .Brsed 
~ But this] cannot be pofitive in, for upon cutting the wreath’d part in 
many places tranfverfly, TP was not fo well fatisfy d with the fhapeand 
manner of the pores of the pith; for looking onthefe tranfverle Seétiong 
with a very good Adicrofcope, I found’ that | the ends of -thofeceran 
verfe Settiohs appear'd much of the mainer of the third Figure-of the 
r5-Scheme ABCKFE, and the middle: ot pith CC pfeem’d very fullof 
poresindeed, but all of them feem’d torunthe longswaye 6) 1 Leo 
This Figure plainly enough fhews in what tantier thofe clefts,Kiand L 
divided the wreath’d Cylinder into two unequal parts, ‘and aloof what 
; 
kind of fubftance the whole body confifts’ for by cuttin che faihe Beard 
im many places, with tranfverfe Sections, I found much the fame ‘ap 
pearance with this exprefs'd 5 fo that thote pores feem to run, ‘asin mot 
other fuch Cany bodies, the whole lengthiof it. 0 0 2 0 Sian 
The clefts.of this body KK; and LL} feem'd (as'i8 alld exprefy'd ‘in 
the Figure) to wind very oddly in the inner pait of the wreaths and 
infome parts of them, they feem'd fluffed, as it wete,with that Sporigie 
fubftance,: which I julttnow defcribeds) © > asS1og Moy orm ob fat iy 
~ This fo oddly conftinuted Vegeeable fubftance; isfirft Céhiat Uhave 
met with) takennotice of by Baptita Porta, in his Natural Magick, asa. 
thing known to children and Juglers, and it has beeneall’d byfome of | 
thole laft named perfons; the better to cover their cheat, theLegg of an 
Arabian Spider, or the ccegot an inchanted Egyptian Fly, and hasbeen * 
ufed by them to make a {mall Index, Cro, or the like, tomove round 
sary noses of it with a drop of Watet,and muttering Cotas 
Worms, (6.2 zlsic Wathed gilt io x .cansodes biqeer bas 
» But the ufe that has been made of it, for the difeovery of the various 
conftitutions of the Air, as to drinefs and moiltnets, is incompatably 
beyond any other ; for this it does to adthitationy The manner of cori 
triving it fo, as to perform this rae effect, is onely thus : | 
sao rere ae large Box 0 sibes aoe pertosied beet | 
what ou fhall judge conve accor to | 1 
of Saldeusd of des nro of thefe {niall Beards,ordered in 
the manner which I fhall by and by defcribe)let all-the fides of this Box be 
turned of Batket-work (which here in London is eafily enough procur d) 
full of holes,in the manner almoft of a Lettice, the bigger, ot more the 
Jolesare;the better,that fo the Ait may have the more free paflage tothe 
inclofed Beard,and may the more eafily pafsthrough the Inftrament 5 it 
will be better yet,though not altogether fohandfor,if infteed of the Baf- 
ket-work onthe fides ct the Box,the bottom and top of the Box be joir’d 
together onely ‘with three or four finall Pillars, after the tanner repre- 
fented 
