INDEX. 
Pliny, N. H. XXXV. i. explained, p. 134: 
Pococke, fee Offory , Bp. 
Polypes, the feveral fpecies of them, p. 77. — one fpecies 
frequently found in the pools about Mounts bay, p. 80. 
Porter , James , Efq; his Majefty’s ambaffador at Conftan- 
tinople, his obfervations there on the tranlit of Venus, 
p. 226. 
Poyfonous animals in England, much fewer than is gene- 
rally imagined, p. 475. 
Pitlteney , Mr. Richard , his cafe of a man whofe heart was 
enlarged to a very uncommon fize, p. 344^ 
R. 
Raper, Matthew, Efq; his remarks on a paflage of the e- , 
ditor of La connoiffanoe des mouvments celejlespour I'annee 
1762, p. 366. 
Refrattions of the rays of light double in fome cryftals, 
p. 486. 
Regifter, extra# of one, of the parifli of Holy-Crofs, Sa- , 
lop, p. 140. 
Rock , a burning one, near IQamabad, in the Eaft-Indies, 
p. 415. 
Rome , an ancient ftatue of Venus difcovered there, p. 44. 
Rowland, the authority he produces from Hecataeus that 
the ancients had magnifying glaflfes, ill founded, p. 125. 
j Rujfell, Dr. Alexander , his account of a remarkable marine 
production, p. 554. 
S. 
Samnite denarius , under the Social war, explained, p. 2 8, 
et feq. 
Schaeffer, James Chrijlian , his work containing remarkable 
Fungi, and propofals for engraving more, p . 495. 
Sea, the violent agitation of it before the earthquake, 
A. D. 1761, p. 420.— at Barbadoes before contagious 
colds, p. 477 near Penzance July 1761, p. 507. 
Sea nettle, fee Urtica marina. 
Sector, fome improvements on Mr. Silfon’s, p. 607, 8. 
Shirbern Cattle, it’s latitude, p. 177. 
4 S Short*. 
