[184] Hoffman’s anodyne liquor,

[350] Honey, poisonous,

[33] Hydrate of potash, preparation of pure,

[36] Hydrate of soda,

[26] Hydrocyanic acid and bitter almond water, strength of,

[127] Hygeine, public,

[259] Hyposulphite of soda, easy method to make,

[152] Impurities, test for, in acetic acid,

[106] Indelible ink,

[305], [371] Inks, writing,