The I N D E X. 
The Attrition of GUfs. No %o8. p.2%32. Light produ- 
ced by the Effluvia of one Glafs falling on another in 
motion. No. 3 10. p. 23 1 3. The Quantity of Air pro- 
duced from a certain Quantity of Gunpowder. N. 311. 
p. 2409- Air comprefied requires time to recover its 
Natural State. N» 3V1'. p. 241 2. The Difficulty of fe- 
parating two Hemifphercs upon Injefting an Atmo- 
fphere of Air on their outward Surfaces. No. 310. 
p, 24* 5 * 
F. 
Flea, Microfcopical Obfervations on its Sting. No. 307. 
p. 2311. . in • 
Glafs produces Light by Attrition. N. 3 10. p. 2413. See 
more in Experiments. 
Gunpowder, what Quantity of Air produced from it. No. 
3 u.p. 2409. 
H. 
Balls of Hair found in the Uterus, No. 309. p. 2387, 
Healthinefs of the Parifhes of Kinardfey and Donington. 
No. 310. p. 2418. 
Hottentots, their Cuftoms and Manner of Living. No. 310. 
p.2424. 
Hydatides. See Anatomical Obfervations* 
Hypocaujla. See Antiquities. 
I. 
Jaundice. See Difeafes. 
Jefuits Bark,} the Figure of its Parts. No. 312. p. 2446. 
Juniper - 
