Of the Nerves. 145 
to the Skin (of which it chiefly coiflifts), 
“ and Part of them inwardly, making ftili 
<< new Periofleums one after another, as the 
C( old ones become fo many Additions to 
“ the Bones 
Whoever would examine the Bones 3 muft 
fhave off, with a fharp Pen-knife, very thin 
Pieces, lengthways, crofs ways, and obliquely, 
and that from the Iniide, Outflde, and Mid¬ 
dle of the Bone. Apply to the Microfcope 
fome of thefe Shavings dry, and others moi- 
ffened with warm Water, and thus the"Vef~ 
fels will be feen in all Directions. But the 
belt Way of (hewing the bony Structure is ? 
by putting the Bones in a very clear Fire 
till they are red-hot; then taking them out 
carefully, you will find the bony Cells, tho* 
tender, perfeCt and entire : And being now 
quite empty, they may be viewed with great 
Eafe and Pleafure. 
* t • ri - n '■ "" '■ 1 
C H A P. XIV* 
Of the Nerve s» ' ^ 
M R. Leeuwenhoek endeavoured to 
difcover, by his Microfcope, the Struc¬ 
ture of the Nerves, in the Spinal Marrow 
* Crew’s Rarities of Grejbam College, p > 
