INDEX. 27 



mena of life, xvi. 115-123. On its colouring matter, 173» 



174 

 Blount's (Sir T. Pope), Censura Authorum^ bibliographical notice 



of, xiii. 40 

 Blow-pipe, account of a new one, i. 65, 6Q 



(improved), account of, ii. 379-382 



• notice of, improvements for increasing its security, iii. 



575, 576 



- (pocket,) notice of, vii. 186 



« directions for using, xiii. 325 ; for oxidation and reduction, 



ibid. 326 ; glass tubes, S27. General rules for conducting 

 experiments with the blow-pipe, 329-331 



combustion by, under water, xvi. 167. Supports for the 



ignition of particles by, 379 



self-acting described, xvii. 236, 237 



support of substances before, xix. 151, 152 



Blue colour, analysis of a new one, xiv. 437, 438 



action of alum upon vegetable, xviii. 396 



matter from certain urines, notice of, xx. 409-411 



Blue Mountains, journal of an excursion beyond, ii. 455-457 

 Boa Constrictor, observations on the temperature of, vi. 115, 116 

 — ^— — — — killed at the island of St. Vincent, notice of, 



ii. 428 

 i urate of ammonia found in the excrement of, 



xvi. 177 

 BoAG (Mr.), notice of his discoveries in Egypt, v. 172 

 Bodies, on the specific heat of^ vii. 379-383 

 Bohnenberger's electrometer, notice of, xi. 208 

 Boiling water, effects of, xiv. 237, 238 



points of saturated solutions, xviii. 89-91 



variation of, xix, 1 48 



Boletus Igniarivsj observations on, xvi. 185 



BoLLAERT (Mr. \y.), experiments by, on the oil of mace, xviii. 



317-319 

 Bojnbicc Disparair., ravages of, vi. 163 

 Bonne, notice of the uniA'ersity at, ix. 211, 212 



