INDEX. 
Preferving dead Creatures for Mufeums , by M. de Re ait 
mur , ik 487, p. 304. 
Produbhve Foue , that there is a real, in Nature, 77.490, 
p.645. 
ProjeAiles, of their Motion, by fZ’Aj. Simpfon , 77. 486, p. 1 3 7. 
Q- 
c Qiiab, a Fifn fo called in RuJJia , from Dr. Mounfey , 
77 . 486, p. I74. 
Quadrupeds, dead, how to preferve them, by M. Reaumur, 
n ‘ 487? P* 3 * 9 ; 
Quantity, an Elfay on, by the Rev. Mr.R?/d, from Dr. 
iW/’/w, 77. 489, p. 505. 
Quito, its Height above the Sea, 77.486, 7 >. 257. 
R. 
Rtf 7 j des Alps , wz/rej Alpini , 7;. 486, p. 182. 
Keadmtr (M. Rer.atus Anton, de) Method of preferving 
dead Animals for Mufeums , 487, p. 304. 
Re.'d (Rev. Mr.) an Eftay on Quantity, and fimple and 
compound Ratio’s , applied to Virtue and Merit, 77.489, 
p. 505. 
• — ~ — obf Eclipfe of the Sun, July 1^, 1748. 
at New Macchar , 77. 490, p. •5:93. 
Reptiles, dead, how to preferve them, by M. B.eaumur, 
77.487, p 3 1 9y 
Refins, their ipecific Gravity, 77.488, p 460. 
Roaches, a Mortification in the Tails, n. 487, p. 321. 
Roberts (Edward) a Piece of Lath thrult into his Eye, 
77. 489, p. 520. 
Roche (Mr. Robert ) of Fuftian fet on Fire by Etc Ari city, 
77. 487, p. 323. 
Rock-Salt , 77.487, p. 358, 
S. 
,&/ Rupiiim , the Rock-Salt of the Chcmifts, n. 487, p. 358. 
Salt , the Art of making the common, by Dr. Brownrigg, 
77. 487, p. 351. by Mr. Lowndes, ib. p. 355. 
. Rock, Bay-Salt, white Salt, ib. p. 358. 
Salts, their fpecific Gravity, 77.488, p. 468. 
Salt-Pits, to be made in England, n. 487, p. 369. 
Sapphires, 
