INDEX, 
Old People, their Manner of Sight — — 
Opake Objects (Microfcope for) : vid. Micro/cope. 
to prepare and preferve 
Opium , how it.a£ts on the Blood — 
Ox-Fly defcribed — — 
* its Manner of Production 
Oyfierst Animalcules in their Liquor 
in their Semen ' 
Embryos 
their Size and Number 
Light on them — 
321 
p- 5 
60 
114 
226 
207 
239 
ibid . 
240 
241 
P. 
Pajle fall of minute Eels *— 
Way to preferve them 
People , old, or ihort-fighted, their Cafe 
Pepper-Water : vid. Animalcules. 
Perijiattic Motion vifible —• 
Poijes of Infedls : vid. Balances. 
Polype , a wonderful Animalcule fo called 
Pores of the Skin — — 
Way to view them —— 
how numerous — 
of Wood, their Numbers 
Pucerons — —. «, 
Pul/e beating: vid. Heart . 
— *-81 
—< ibid . 
~ — 4 
i 3 8 > l 79 > * 95 » 219 
— — 97 
— 174 
1 ibid. Sc 176 
— 1 75 
" — 287 
—* 270 
R. 
Rain- Water, its Animalcules — 
Razorr its Edge examin°d —- —., 
S. 
Sal Volatile oleafum , its Effect on the Blood 
Salts to prepare and examine —- 
their general Efxe&s —. 
in Vinegar — — 
how changed by Crabs Eyes 
in Wines, Vegetables, and Metals 
Sorts to be examined — 
their good and ill Effefts — 
(Sorts of) in Mineral Waters 
of Vitriol — _ 
unripe 
83 
293 
115 
5 S 
259 
ibid . 
260 
ibid . 
261 
ibid » 
262 
z6 3 
265 
Salts 
