xxxviii 
INDEX. 
Oxalate of ammonia, action of, on sul- 
phate of lead, xvi. 271 
Oxalhydric acid, v. 345, ix. 350 
Oxalic acid, iv. 86, vi. 265, vii. 348, x. 
27, xiii. 93, xxi. 64 
" " lozenges, ii. 251 
' { " on blood and dead tissues, 
xviii. 319 
« " volatility of, iii. 139 
« ether. iv. 119 
Oxamic acid, xiv. 136 
Oxamide, iii. 134 
Oxide of gold, preparation of, xx. 102 
" iodine, iv. 346 
Oxide of mercury, red, iv. 201 
" platinum, preparation of, xv. 
32 
c< silver, xiv. 99 
" zinc, x. 24 
Oxides, metallic, i. 57 
" " separation of, in ana- 
lyses, iv. 259 
" of mercury, i. 218, iv. 192,201, 
vii. 338, x. 259 
Oxygen, new mode of preparing, xvii. 
74 
Oxymuriate of lime, i. 275 
Paint, red iodide of mercury as a, xvi. 
155 
Palm oil, vi. 85 
" " purification of, vii. 83 
" sugar from India, xvii. 52 
" wax, viii. 172 
Palmic acid, vi. 84 
Palo-de-vaca, milk from. 
ii. 343 
Papaver somniferum, report on. xvii. 
126 
Paper, epispastic, xvii. 279 
" hydrographic, vi. 347 
Paradise, grains of, xv. 95 
Paraffin and eupion, v. 61 
Paraguay roux, vii. 349 
Paregoric elixir, xiv. 283 
Pareira brava, viii. 193 
Parillina, i. 56 
Passiflora, viii. 101 
Paste for whitening the hands, iv. 347 
" liquorice, ii. 251 
« of jujube, ii. 251 
Pastilles de Sante, vi. 264 
" fumigating, ii. 341 
C£ of charcoal, ii. 162 
ce of milk, iv. ]74 
Patent for amorphous quinine, xix. 45 
" for dry and Nordhausen sulphuric 
acid, 
xx. Ill 
tl for improvement in the manufac- 
ture of chlorine, xvii. 313 
C£ for the manufacture of Epsom 
salts, &c, xvii. 231 
" inks, and new salts of gold, xx. 
65 
{£ medicines, v. 20, xi. 67 
" " report on, vi. 60 
Pathological specimens, preservation of, 
xvi. 159 
Patna opium, xxi. 193 
Paullinia, xii. 206 
Paullinia, use of guarana for, xiii. 53 
Peach blossoms, xvii. 209 
" tree leaves, peculiar substance in, 
iii. 216 
Peas, suppurative, ix. 349 
Pectase and pectose, xxi. 151 
Pectic acid and the pectates, vii. 63 
in gentian, 
viii. 351 
Pellitory of Spain, tincture of, xvii. 115 
Pepper, culture of, in India, xiii. 134 
Pepsine, xii. 192 
Perchlorate of oxide of ethule, xiii. 32 
Perchloric acid, xiv. 312 
e , e " crystallization of, iv. 
83 
" " test for mineral alkalies, 
iv. 86 
" ether, xiii. 32 
Perchloride of iron, preparation of, xvi. 
142, 167 
Perchromic acid, xx. 54 
Pereira, bark of, xii. 147, xvii. 86 
Perfumed oils of Jasmine and Bela, xii. 
348 
Peroxide of gold, viii. 110 
u iron, viii. 82, xii. 1, xiv. 
266, xvi. 252 
" " hydrated, decrease of 
power in, 
xiv. 29, 
xix. 62 
" ce " mode of pre- 
paring, 
xiv. 34 
" " " report of 
committee 
on, xiv. 37 
Perropine, xii. 328 
Persalts of iron, deoxidation of, xvi. 252 
Persesquinitrate of iron, iv. 169 
Persian musk root, xvi. 119 
