( 403 ) 
a Stone like a Bone or Ofteocolla, 6 . ioi. 
. 0 . A Stone of excellent venues found in the 
head of a Serpent in the Indies^. io z. The 
O Cean? what Seas may be joined with it, caufes of Petrification inquired s 
J. 3 10 * 
OptzcJ^,Campani’sGlafTesdoexcell Divirii’sj Planets, fee Jupiter, Mars, Saturn , Sun, 
*tis eafieby them to diftinguilh people at Moon ; which are. tmbinated, and which 
four Leagues diftance, 1 31. -and i z. not, 8. 143. Tpfindthe true diftances of 
209. What theydifcover in Jupiter and the Sun and Moon from the earth, 9. 19 1. 
Saturn,. 1. i. and 2. The proportions of. pbyfittans of China commended, fee Mede- 
Apertures in Perfpe&ives reduced toaTa- cins. , 
ble by M<Au%out, 4 . fi Animadverted Prefervation, to prefer ve fmall Birds taken 
upon by M. Hoofa 4. 69. but of the fhell® or other Fatuf% for difco- 
How to illuminate Objeds to whatfcever pro- veries, x 2. 1 98. 
portion, propofed by M. Au\out , 4- 75. Pulfes of the Sick how diligently, and to what 
He v dim, Hugenm, and fome in England,cn- good purpofes obferv’d in China.g H» 
deavour to improve .Optick Glaffes, 6 , 98-. 249. 
Seigneur Burattini’s advance in the fame in- 
quired after, 19. 348. fome anfwer to it R. 
from Park, 21. 347. 
Divini makes good Optick Glafles of Rock- T} Ainbows ftrangely pofited, 13. 219. 
chryftal,that had veins {if he mifioolinot jf\_Raining of Alhes, and how, 21. 377* 
femewbat elfe for veins ) 20. 362. JRjce profpers beft in watery places , fee Mfc 
To meafure the diftances of Objeds on earth rijbes, 18. 3 2.8, 
by a Telefcope, undertaken by M. All-out, 
and others of the Royal Society , 7.123. S. 
How a Telefcope of a few feet in Diameter , 
may draw fome hundreds of feet, 7. 127. QAlamander, how it extinguishes fire , and 
How a Qlafs of a fmall convex-fphere may be feeds by licking Indian earth, 21.377. 
made to refled the Rayes of Light to a Salt by exceflrve ufo ftiffens, and deftroys the 
Focus at a far greater diftance than is ufual, body, 8. 1 3 8. 
202, Salt -Springs, fee. Springs. 
Salt-Peeter how made in the Mogols Domi- 
P. nions, 6,103. 
The proportion of Salt In beft Salt-Springs? 
P Arfley, <o make it Ihoot out of the ground and what grounds or figns of beft Salt , 8. 
in a few hours, r ee Hon. Fabri 18.325. 136. 
' Pictures, a curious way in. France of making Sea-fluxes, the caufe propofed by way of a new 
lively Pidures in Wax, and Maps in a low Theory, by Dr. Wallis, id. 263, feeTydes . 
relieve, 6 . 99. Seas, whether they may be united, 3, 41. 
The caufe why Pictures feem to look upon all Sil^-lVorms and sil^-Trade folficited, 5.87, 
Beholders, on which fide foever they place and 2. 2 6, and 12. zou 
themfelves, 1 8. 3 26. Snakes , how they differ from Yipers, & 
Ancient Paintings compar’d with the Mo- 138. 
dern, and a judgment of the Paintings in Rattle-Snafies, how fometimes kill'd in Vir* 
feveral Ages,, their perfedions, and defeds, ginia, 5.43. and 4.78. \ / 
fee M. F elibien, 21. 383. Snotv-houfes direde'/md how to preferve Ice 
Petrification, in the wombs of Women, 18. artdS'mw in Chaife, 8. 139,. 
320, in a Calf in the Cows womb, 1.10. Springs,of peculiar note, n. 7. 127, n.S.133. 
Stones found in the heart of the Earl of 135. and 136. n. 18. 323. 
Belcarris, 5. 86. Part of an Elm by in- 
cifion, or otherwife, petrified a foot above 
the root and ground, 19. 329. Wood petri- 
fied in a fandy ground in England ; and of 
£» g g a :T. Tafi.e 
l 
