The I N 
Long-worm 199 
Lumbricus hydropicus 5, feq, 
M 
MAD Dog, a Child bit by ^^ 
M^giQlanthorn 301 
Marble, Colouring of 496, feq. 
Maryland, nn Auount of 446, jeq. 
Medical Ohjervatiom 399, feq. 
Mercury in ConjunSlion with the 
Sun 7, feq. 
Mercury, its Height at the Top of 
Snowdon Hill 218, feq. 
■ Height at the Top of the 
Monument 240, feq. 
to meafure its Height in 
the Barometer 243 
Alcridian Line, a Way of drawing 
506 
Microfcope reflefling 2 1 5 
Microfcopical Obfervationi I ye^^feq* 
Animals 1 74, feq. 
Mineral Spring 3 1 1 
Mineral Waters 30 1, feq. 
Monochord, theDivifion of 20^^^ feq. 
Mortality, an Eflimate of the De- 
grees of 34, feq. 52, feq, 
VLvi^clQSyan ahfolute Command of 2^2 
Mufick, ancient examined 291,/^^. 
N 
NEGRO Boy dappled with 
white Spots 2-^g 
NewEn gland, Obfervations in 269 
New Holland, Obfervations in 300 
New Caledonia, an Account of 471 
Numeral Chara^ers, their Anti- 
^^ify 396, feq. 
O 
/^Bfervations microfcopical 171 
v^ Obfervatory ^/"Tyc.B rah 6494 
O'lh producing an Explofcn 1 22y>^. 
Opium, itsUfe among theTwrks 175 
OpoiTum, /// Diffe£lion 250, feq. 
Organ, its Imperfeaion 276, feq, 
OihsiQites, Firtaes of 3'i9* feq'. 
Ovary Hydropical 356, feq 
Oyfter-lheJIs, Beds of 456, feq. 
P 
P A L S Y Periodical 281, feq, 
^ Parallax of the fxt Stars , to 
fi^'i 69, fe^. 
D EX. 
Paracenicfis, an Hydropical Woman 
dying after it 183,/^. 
Parhelia 348, 354, 471 
"PsiroqMQt, its Dije^ion 11^, feq. 
Pear double 453, feq, 
Pearl-fifhing ')Zy feq. 
Pepper- water, Animalcula in-jijeq. 
Phofphorus, theProcefs ofmaking^z 
metallorum 301 
Phyfiognomy 1 10, feq. 
Pig, monjirous ^^^/feq. 
Pitch, the making of 290 
Planets, inferior Conjunflions of, 
with the Sun 7^ feq. 
Plants, a Stove for preferving them 
121, feq. 
' prefermng Specimens of z^z 
the Nature and Difference 
of their Juices 1 89, feq^ 
in Jamaica 349, y>^, 
Pneumatical Engine applied to Cup~ 
ping-glaffes^ 442, feq. 
PoifoDs, Obfervations on 117, feq. 
Polarity of Iron \ 28, feq. 
Polypus of the Lungs 475, feq. 
PolTum, its DiffeSlion 250, fee, 
Pofture-marter Clarke 2S2^ feq, 
Preflure of Water at fever al Depths 
4, feq. 84 
Purple-fiili 47, feq^ 
R 
"D A I N, to meafure its ^an- 
if.^\nbovj extraordinary ^'J^ffeq, 
Rarcfadion of the Air, Experiment 
°^ 400, fea 
Rat. Diffeaion of ^33, jfq^ 
R^d-cohw produced by afulphureous 
Spirit and a volatile A /call 215 
~ — ;— to make 247 
Red-wine, to make yellouf 247 
Refleaing Microfcope 215 
Rcfpiration, Ufe of 270, feq, 
Rhcumatilms, the Caufe of the 
Pain in j-^ 
Rheumatic convuiflve Pains 4-54 
Kom^n Antiquities 234, 293, /?.;. 
480 
— — ^;./W^ 274, >f. 
— : <^off,n 203, fiq, 
^Q^m, the making of 290 
Rami- 
