6x 
Hcemajlatla. 
of burnt Feathers, ^c, have an Effect on the 
difordered Spirits of thofe who are in Fits. 
Thus alfo A[fa Fcetida^ Cajlor^ 6cc. which a^ 
bound with a fubtilc Sulphur, are found to be 
friendly to the Spirits of the Hyftcrick: ; as 
on the contrary are many Fumes mofl: offenfive 
to the Spirits of others. 
25?. If the Skin be flead off the Belly of a 
live Frog, and the Abdomen opened on cacli 
fide, fo as that its Brait Mufcles may by draW'* 
ing a little on one fide, have a ffrong focal 
Light caff on the Infide of them ; if in this 
Pofture thofe Mufcles be viewed thro* a good- 
Microfeope, the parallel Fibres of the Muff 
cles are plain to be fecn, with the Blood run- 
ning alternately up and down, between each 
Fibre, in capillary Arteries fo fine that only fin- 
gle Globule can pafs them. If the Mufeie 
happens to ad while thus viewed, then the 
Scene is inftantly changed from parallel Fi- 
bres, to Series’s of Rhomboidal Ftnmd£ which 
immediately difappear as foon as the Mufde 
ceafes to ad. It is not cafy to get a Sight of 
this mofl agreeable Scene, bccaufe that on the 
Adion of the Mufcle, the Objed is apt to gec 
out of the Focus of the Microfeope ; but 
thofe who arc expert in the Ufe of thofe Glar- 
es 
