INDEX. 
587 
New  process  for  sulphuric  acid         ....  136 
New  process  for  bryonin  and  colocynthin        .             .             .  166 
New  process  for  preparing  formic  acid             .             .             .  557 
New  process  for  Dover's  powders      ....  515 
New  process  for  arresting  corrosive  vapors      .             .             .  525 
New  method  for  preparing  caffein      ....  232 
New  method  of  detecting  sulphur  in  hops         .             .             .  349 
New  form  of  astringent  application    ....  443 
New  proximate  principle  from  Sanguinaria  canadensis     .             .  521 
Nickel,  on  proto-sulphate  of             .             .             .             .  415 
Nickles,  M.  Jerome,  on  a  new  proeess  for  soda               .              .  121 
Nickles,  E.,  on  the  purification  of  amorphous  phosphorus          .  439 
Nitrate  of  mercury,  acid    .....  5 
Nitrates,  their  action  as  manures       ....  567 
Nitro  glycerine  or  glonoine             ....  48 
Noelhier,  C,  on  chlorimetry             .              .              .              .  61 
Note  on  Canadian  isinglass             ....  133 
Note  on  various  phenomena  of  oxidation          .             .             •  136 
Note  on  syrup  of  poppies  .....  399 
Notes  on  the  mercury  of  New  Almaden          ...  97 
Notes  and  queries  in  practical  pharmacy  .  .  .  397 
Notice  of  meeting  of  the  Amer.  Pharm.  Association    .                274,  372,  477 
Nux  vomica  as  an  aperient               .             .             .             .  116 
Nux  vomica,  a  new  test  for                          ...  220 
Obituary  notices  of  Majendie,  Johnston,  Beck,  Quevenne,  Huraut,  Baget, 
and  Hallows        ....  192 
Obituary  notice  of  Charles  Schaffer   ....  277 
Oblique  direction  of  ligneous  fibres  a  cause  for  twisting  in  trees      .  66 
Oil,  analysis  of  sperm        .....  3 
Oil  of  cotton  seed              .....  487 
Oil  of  pignut  hickory          .....  488 
Oil  of  turpentine,  poisoning  by                       .             .             .  533 
Oil,  iodized         ......  526 
Oils  of  croton  tiglium,  nutmegs  and  laurel  berries         .             .  446 
Oleo  margarate  of  zinc,  in  lieu  of  lead  plaster              .              .  220 
Oleum  morrhua  cum  quinia             ....  28 
Oliveria,  Pimental,  and  J.  Bonis,  on  the  production  of  palmetic  acid  from 
from  mufurra  tallow              .  163 
Olivine              ......  79 
Owen  Prof.,  note  on  American  isinglass           .             .              .  133 
Oxalic  acid  substituted  for  strychnia             ...  24 
Oxalic  acid,  on  some  reactions  of                   .             .             .  345 
Oxide  of  iron,  its  reduction  by  carbonic  oxide             .             .  118 
Oxyphenic  acid  of  wood  vinegar       .  343 
Oxygen  in  a  nascent  state               ....  74 
Pulmaceae,  useful  products  from        ....  129 
