584  INDEX. 
Guiller,  Jules,  on  marking  inks  for  linen,           ....  33 
Green  coloring  matter  from  China,         .....  174 
Hainault's  dentrifice,        .......  213 
Harris's  patent  sieve,        .......          ,  31 
Headland,  on  the  action  of  medicines,      .....  304 
Helleborus  niger,  a  new  crystalline  body  from     ....  145 
Hetile's  general  pathology,           ......  384 
Hennig,  M.,  Examination  of  kino,                                                  ;  541 
Herapath,  Dr.  William,  on  a  newly  discovered  salt  of  quinia,    .          .  136 
Hops,  oil  of          .          .          .          .          .          .          .  .442 
Hospital  sulphate  of  quinia,          ......  84 
Howards  and  Kent  on  the  substitution  of  sulphate  of  quinidin  for  sulphate 
of  quinia,       ........  470 
Hubschmaii,  Fr.,  on  Sabadillin,     .           .....  133 
Hicria  and  Brunei  on  the  preparation  of  sulphate  of  alumina,     .          .  45 
HusJcisson,  "William,  on  chloroform,       .          .          .           .  .41 
Hydrocyanic  acid,  to  ascertain  its  proportion  in  pharmaceutical  prepa- 
rations,         ........  551 
Hydro-alcoholic  extract  of  ergot,  ......  211 
Hyposulphite  of  soda  and  silver,   ......  367 
Hydrosulphocyanic  acid  in  commercial  ammonia,           .          .          .  461 
Hydrate  of  magnesia  as  an  antidote  in  poisoning,            .          ,          .  462 
Hydrated  sesquioxide  of  iron,        ......  104 
Ice  spring  in  the  Rocky  Mountains,         .....  271 
Injurious  effect  of  chemical  works  on  growing  timber,  &c,        .          .  39 
Indigo,  Arabian     ........  231 
fnfusum  juniperi  compositum,      .          .          .          .          .  205 
Inhalation  of  iodoform  in  phthisis,           .          .                     .  472 
Inks  for  marking  linen,     .......  33 
Ink,  purple  red,  for  linen,             ....;.  367 
Inspection  of  drugs,          .......  370 
Inspection  of  drugs  at  the  port  of  New  York,       ....  75 
Insolubility  of  alum  in  brandy,     ......  213 
Iodide  of  ammonium,  its  preparation,       .....  134 
Iodide  of  iron,  pills  of       .......  138 
Iodide  of  iron,  strength  of  syrup  of  .  •  »  .56 
Iodide  of  iron  and  manganese,  syrup  of              .          .          .          .  198 
Iodide  of  morphia,           .......  126 
Iodide  of  quinia,     ........  126 
Iodides,  new  test  for         ......  142 
Iodine,  its  existence  in  milk,  eggs,  and  the  air,  disproved,         .           .  520 
Iodine,  administration  of    .          .          .          •          .          .          .  272 
Iodine,  a  delicate  test  for             ......  461 
Iodine  in  plants,  distribution  of    .  .  .  .  .  .64 
Iodine,  estimation  of         ......          .  263 
Iodine,  its  separation  from  bromine  and  chlorine,          ....  257 
Ipecacuanha  from  Carthagena,   474 
