INDEX. 359 
Hachisch, notice of - - - - -75 
Hebradendron cambogioides, ... 19 
tlippuricacid, - 337 
Historical remarks on Greek fire, - - - 52 
Hive syrup, ------- 186 
Hop, (Hamulus lupulus) examination of the strobiles of - 65 
Hydrated peroxide of iron as an antidote for arsenic, - - 239 
Hydrochlorate of ammonia, - 189 
Hydrochloric acid, 93 
« « - . - - - - 106 
Hydrosulphate of ammonia, - - - 93 
Hyoscyamus, oil of - - - - - - 106 
Hyponitrous acid, action of sulphurous acid on - - - 83 
Hyposulphite of soda, - - - - - - 102 
Impregnation, vegetable - - - - - -216 
Ink, black 1 - 189 
Iodate of soda, ------- 224 
Iodides ammonio, of mercury, ----- 89 
" of arsenic, -------97 
Iodide of iron, syrup of 74 
Iodide of potassium, action of sal ammoniac on - 195 
" sodium - - - - - - 224 
Iodine reaction with sulphuric acid, - - - 82 
Ioduret of iron, ------- 83 
Iodine, - -- -- -- - 213 
Iron, protoxide and peroxide, ----- 204 
" action of acids on sulphate of - 347 
» -------- 206 
" notice of several preparations of 72 
" sesquicitrate, &e. ------ 72 
" tannate of the sesquioxide of 73 
" syrup of iodide of - - - - - - 74 
" lactate of ------ 74 
" protection of, by zinc ----- 86 
" proto-iodide of - 113 
" sesqui-iodide of ------ 165 
" Vallet's proto-carbonate of - - - - - 183 
Isinglass plaster, ------- 320 
Itch, ointment for ------ 85 
" treatment of - - - - - - 172 
Ivory nipples, ------- 88 
Juniperus sabina, - - - - - * H 
