INDEX. 
581 
Coal  naphtha,  purification  of   58 
Coal,  improvement  in  obtaining  the  volatile  products  of    .       .       .       .  551 
Coal-tar  creasote   54 
Cod-liver  oil  with  quinia   319 
Cochineal,  on  a  new  variety  of   262 
Cochineal  of  the  Canary  islands   434 
Colchicin,  test  for   539 
Colchicum,  poisoning  by          .........  539 
Colignon,  "L.,  on  the  active  principle  of  Centaurea  calcitiapa    .       .       .  266 
Composition  of  tannic  acid   49 
Compound  syrup  of  squill   219 
Compounds  of  arsenious  acid  with  iodide  of  potassium      .       .       .  270 
Constantin,  M.,  on  the  emulsions  of  the  gum  resins         ....  61 
Concentrated  wine  of  assafetida  .216 
Contributions  to  toxicology   533 
Conversion  of  cane  into  grape  sugar  in  the  syrup  of  iodide  of  iron     .       .  393 
Conia  from  Cicuta  maculata   292 
Constitution  of  coal-tar  creasote   54 
Copney,  William,  on  nitrate  of  silver  and  tannic  acid  in  pills    .       .       .  413 
Copalche  bark   161 
Corydalis  formosa,  or  Turkey  corn   205 
Corydalia   207 
Corrosive  sublimate,  value  of  albumen  and  hydrate  of  magnesia  as  anti- 
dotes for  .  .  .  .  .  .  .533 
Court  nosegay  perfume   178 
Cotton  plant  root,  its  use  in  medicine   419 
Copper,  detection  of,  in  medico-legal  analyses   535 
Creasote  from  coal-tar   54 
Cream  of  tartar,  its  falsification  with  sugar  of  milk         ....  451 
Cream  syrups  for  mineral  water      ......  407 
Cream  syrups          ........  500 
Crew,  B.  J.,  on  a  substitute  for  tar  beer     .  .  .  .  .13 
Culture  of  the  coca  in  Peru  .  .  .  .  .  .35 
Culture  of  cochineal  in  the  Canary  islands             ....  434 
Culture  of  castor  oil  in  Illinois        .  .  .  .  .  .99 
Cubeba  clusii,  or  black  pepper  of  Western  Africa            .          .          .  267 
Cucurbita  laginaria,  a  purgative  gourd        .....  235 
Cutting,  James  A.,  patent  for  photographs  on  glass           .           .           .  548 
Danger  of  keeping  tobacco  in  leaden  boxes          ....  472 
Daniell,  W.  F.,  M.  D.,  on  the  frankincense  tree  of  Western  Africa        .  338 
Daniellia  thurifera    ........  339 
Darby,  Stephen,  charcoal  as  a  medium  of  inhalation          .          •          •  431 
Delfs,  Prof.  W.,  on  a  reagent  for  caffein  272 
Delphinium  consolida,  aconitic  acid  in     ......  152 
Deodorized  alcohol    379 
Deodorizing  and  disinfecting  properties  of  charcoal,  lime,  sand  and  gravel  518 
Depilatory   82 
