PEN 
PET 
73 1 
Pennant, Thomas. Account of the different fpe- 
cies of pinguins 
— Account of two new tortoifes 
Pepusch, John Christopher. Mus. D. On the 
mufic of the ancients 
Percival, Philip. Account of a luminous appear 
pearance in the air at Dublin, January 12 
1719-20 - - 
Percival, Thomas, M. D. On the Roman colonies 
and Rations in Chefh ire and Lancafhire 
— Account of a double child 
• Experiments on ihe Peruvian bark 
Experiments and obfervations on the waters of 
Buxton and Matlock 
— — On the population of Manchefter and other ad 
jacent places 
Supplement 
New and cheap method of preparing pot-afh 
Pereyra, Andr. Obfervations on an eclipfe of the 
Sun, July 15, 1730, made at Pekin 
•= on the immerfions and emerfions of 
Jupiter’s Satellites made at Pekin, 1730 
Perks, I. ConftruCIion and properties of a new 
quadratrix to the hyperbola 
An eafy mechanical way to divide the nautical 
lir e in Mercator’s projection, with an account 
of the relation of the fame meridian line to the 
curva catenaria 
Perry, Charlks, M. D. Experiments upon the 
water of the dead fea upon the hot fprings neai 
Tiberiades, and upon Hamman Pharoan 
water - 
An account of an earthquake felt in the ifland of 
Sumatra in Nov and Dec. 1756 
Peters, Charles, M. D. Cafe of a perfon bit 
by a mad dog - 
Petit, Pjerre. Advice touching the conjunct ioi 
of the ocean with the Mediterranean 
Letter abou; the load done 
Petiver, James. Catalogue of fome Guinea plants, 
with their native names and virtues, and re 
marks on them 
Account of fome Indian plants, Sec, with then 
names, clefcriptions, and virtues 
Remarks on fome animaljplants, Sec, fent frorr 
Maryland 
T ranf. 
Abridg. 
LVIIIox 
LXI 266 
XLIV 266 
X261 
XXXI 21 
VI 2 81 
XLVII 216 
— 360 
LVil 22i 
I XII 455 
f LXIV 54 
l J XV 322 
LX VI 1 bo 
LXX 54S 
XXXVII 179 
VI 183 
— 316 
— 249 
XXV 2253 
IV 37, 66 
XXIX 331 
— 456 
XLII 48 
VIII 643 
L49I 
XLIII 257 
T 41 
II 527 
III 683 
It 607 
XIX 677 
— 752 
XX 313 
— 725 
— 393 
- 252 
Petiver. 
