•400 
PRO 
PUM 
Proportion. The general mathematical laws wliic 
regulate and extend proportion univerfaUy, as 
method of comparing magnitudes of any kin 
together, m all the pofiible degrees of increa 1 
and decrcafe - - Glen 
Providence, An argument for Divine Providenc< 
taken from the conilant regularity obferved i 
the births of both fexes - Aebuthno 
Prusa. An account of the o-ity of Prufa, in Bythini 
Smii 
Ptarmigan. Obfervations on thelagopus, orptarini 
Pudenda. A letter concerning the praeter- 
flru£lure of the pudenda in a woman 
Puerpera. An account of an hydrops 
with a new and exa£t figure of the gl 
renales, and of the uterus in a puerpera 
ovarii. 
Pull i es. An account 
friflion of pul'ies 
of two experiments 
pullies - - Smeatoi 
Pulmonary Vein. A letter, giving an accoun 
of a polypus refembling a branch of the pul 
monary vein, coughed up by an aftmatic per- 
fon - - Nicholl 
the correfpondence of the 
Pulp. 
Inftances fhewing 
alfo of the bark, or fap in the bark, with i 
pulp of the fruit, or fome encompaffing a 
or cod containing the feed - B 
Pulse. Cafes of the remarkable efFe£!s of bliflers 
leffening thequicknefs of the pulfe in coug 
attended with an infardlion of the lungs 2 
feveF - - fFh 
Pumice stone. Microfcopical obfervations on 1 
pumice (lone - Leeuwenh 
— — — A letter relating to a furprifing fhoal 
of 
pumice Hones, found floating on the fea 
Pump. 
pump, 
which 
contrived by Mr, Conyers, a trial 
was made at the repairing of the new 
Tranf. 
a 
d 
e' 
r LX VII 450 
Abridg. 
> 
t XXVII 186 
a 
b XIV 43 1 
V 2 240 
III 473 
* LX 1 II 224 
.1 
/XXXIII 142 
vii 551 
s XXV 2317 
V 294 
j XXXVII 394 
f 
jXLVII 494 
t 
VI 322 
1 XXXVII 123 
VII 504 
y 
l IV 919 
1 
II 710 
» 
1 
t L 569 
} XXIV 2138 
f 
V 2 267 
* 
XXXV 446 
) 
f 
1 XII 888 
1 545 
and 
