A N 
INDEX 
TO THE 
Forty-fixth VOLUME 
O F T H E 
Philofophical Tranfaclions, 
For the Years 1749, and 1750. 
f ■ A. 
ARJlrafls of feveral Obfervations of Aurora Borcales , 
n. 495, p. 4 99 -505- 
Acceleration of the Moon, by Rev. Mr. Richard Dun- 
t homey n . 492, p. 162. 
Adee , M. D. ( Swithin ) on the Virtues of Jcjfcp's Well 
Waters, n. 495, p. 4*1. 
.Agreement ot Thermometers, in London , and at Tooting, 
n. 493, p. 208. 
Air , Obf. of the Change of its Temperature, Nov. 22. 
1748. by Dr. Milesy n. 491, p. 3. 
Ammonites , or Cornua Arnmonis, .fome Vertebra, by the 
fame, «. 491, p. 37. 
Amphora , the Roman , n. 491, p. 70. 
Ancell , an antient Weight, «. 491, />. 55. 
Apotheojrsy or Beatification , an Electrical Experiment, by 
Prof. .Bo/e, 494, p. 350. 
Apple-trees , the EffeCts of the Mixture of their Farifia , 
n. 493, p. 20b. 
5 I> Approach , 
