Otfem(jicms on the Lens 
PtfA^i5?,N4 288. p.1498. 
fkmb'ftMff \mi\x9izx^^ extraaed 
ex ano^ N. 282. p. 1279. 
foyfons^ a Mechanical account of 
them, N. 28^ p.i?2©. 
l^rinting^ fee Inventions. 
¥ruxejh/ies, onekill'd by Iwal 
lowing them, 281. p.1248 
N. 282. p. 1283. ^ 
Tur^atives their Principles, N 
278. p. 1099» 
Uarrys very large at Mae- 
ftrkht^ N. 286. p. 1417 
1Q E^am perforated by 'Prune 
IX ftones fv^allowed, N. 281 
p. 1244. 
Rejpirdtion^ its Influence on the 
hearts motion, N. 281. p 
1 2 17, 
Rubies^ Obfervations on them 
N. 282. p. 1248. 
a 
SCrophicIarla nqmtica^ its great 
Virtues, N. 278. p. 1104. 
"Serpents m Ceylan^ fome not ve- 
nemous,N. 278. p. 1095;. 
Seeds of Plants and Animals, N. 
^87. p. 1 46 1, 1473. N. 289. 
p. 1294. , 
Secretion \n Animals bow made, 
N. 289. p, 1292. 
•Sbeep how their Lungs aie defe- 
N. 279» p, 1148. 
( 1 P ^ ) 
Senfitive Plafht of a new kind, 
N. 277. p. 1059, 10^4- 
Silver and G^/tf diffblvedin Aqua 
fort is^2ini Aqua Regis obferved, 
N. 286. p. 1494. 
Sen/es remain after the Ulcera- 
tion of the Brain, N. 277. p. 
1069. 
Shortnefs of breath how relieved, 
N. 279. p. 1 1-4?. 
Specijicks^ their ufe in Epilcpfies, 
N. 287. p. i486. 
Spots oblervcd in the Sun, N. 
288. p. 15: 0-2. 
Spout on the Land obferved, N. 
281. p. 1248. N. 284. p. 
Spouts at Sea, N. 277. p. 1077. 
Spar in Flints, N. 277. p. 1071. 
Stomach of a Fifh with Plant* 
like branchings, N. i^-j, 
1070. ^ 
Stones^ obfervations thereon, N. 
277. p. 10']2. 
Stones v^ith ImFpredions of 
Plants, N. 277. p. 1072. 
Stones of Plumbs and Prunes dan- 
gerous to fwallow, N. 282. Pi 
128^ 
S;^W/^j/^ its natur-e, N. 283. p, 
1324- 
Subterraneous Trees, N. 277. 
p. 1073. N. 279. ^p, 11$ 9. 
S;/;?, fee Spots. 
Sweating and Perfpiratton where- 
in difeent, N. 2^7. p. 1488. 
— Inamoderate hurtfulj N, 287, 
TAngents to curve lines, £f <?. 
284. p. 
Tarantula^ of it$ Bite, 28^ 
P»i3a2. p 
