( It 
• Of Marbte, W. sSf. f, 
Of le V cral Birk8,N. 7^6. 
p. 1845, 
Oi Vitrity'd Salts of cal- 
cined Hay, N. 296. 
1858/ 
Of Infcas, fee Infefts. 
Mimralsy Foffils and Stones, 
N. 291. p. 1604. 
Mimrals and FofBls from 
Prujfia^ N. 302. p. 2082. 
Motala River, of its Prog- 
noftick (topping, N. 298. 
Miffcii^ iu Theory f educed to 
Arithmetick and Geometry, 
N. i^ol. p. 2072» 
Mufick, its incredible va- 
riety, N. 299. p. 1^6^, 
N. 
IsJAmef of the week- days 
whence, N. 300. p. 2019. 
Norman Coins found at Tork, 
N. 303. p. 2127. 
N^7r/tf»^fends yearly vaftquan- 
tities of Birds io Sweden^ 
N. 3C0. p. 2028. 
Numbers of words pofTible 
from the 24 Letters, and 
of the prodigious variety 
Mufick, N. 299. p. 1969, 
f\¥0^m defcribed and dif- 
^ Icfted, R :^9D. p, i$Sf. 
Optickf, fee Macbematicks* 
Orbita. Ranetarum CalFmiana, 
fee Mathenraticks, 
; 
pEnduleSy a Query, as their 
different length between 
the Tropicks, d^f» N. 294« 
; ^-789- 
'PetrifaSions^ Petrify^d Water 
at the tops of Cayes, N. 
289. p. 1547. 
Pe/rfj^y Shells fold by 
mp Drffides^s mira- 
culous , N. 2^1. p. 
1566. & 1604 
PetrifaSions only of three 
forts, and their caufe^ N. 
291. p. 1571. 
Some from Priijjia, N. 
302. p, 2082. 
Hewn Wood petrifyed, 
N. 291. P. 1570. 
Pewter Irijh money ^ N. 297. 
p. 1875; 
Pbstnix^ the Fable explained, 
N. 300, p. 1023. 
Phofphorus Mercurial, fee Mer- 
cury* 
Phofpborus SoWA^ fee Light. 
Pift in a Fowls Gizzard, 
301. p. 2045. 
Lllllllllllll PU. 
