580  INDEX. 
Color-tests  of  strychnia,  as  modified  by  morphia   227 
Color  of  wafers   327 
Commercial  belladonna  leaves..,   123 
Compound  infusion  of  gentian   307 
Cones  of  Cinnabar   510 
Cones  of  iodide  of  sulphur  ,  ,  510 
Cones  of  iodine   510 
Cones  of  stramonium   510 
Contributions  to  the  history  of  naphthalin   236 
Construction  of  basins  and  reservoirs  unattackable  by  acid  and  alkaline 
solutions   367 
Conversion  of  lactin  into  oxalic  acid   445 
Contrayerva  root   545 
Copper  test  for  sugar   247 
Cork,  production  of   541 
Cream  of  tartar,  solubility  and  purification  of   39 
Cream  as  a  substitute  for  cod-liver  oil   189 
Croton  erythraema   334 
Crystalloids   313 
Curiosities  of  leech  culture   453 
Culture  of  the  elaterium  plant   504 
Decomposition  of  oxalic  acid  by  light   216 
De  Luca,  M.  S.,  chemical  researches  on  the  spontaneous  decomposition  of 
pyroxylin   401 
Detection  of  paraffine  in  wax   34 
Detection  of  strychnia   212 
Detection  of  l-1000th  of  a  milligramme  of  quinia   334 
Detection  of  arsenic  by  copper   350 
Detection  of  picrotoxine   454 
Deville,  H.}  on  the  preparation  of  hydrofluosilicic  acid   223 
Dialyser   314 
Dialysis,  remarks  on   312 
Diamonds   89 
Diffusate   314 
Dorpet,  if.,  on  the  adulteration  of  tincture  of  iodine  and  the  means  of  pre- 
venting it   368 
Dorstenia  contrajerva   545 
Dorstenia  Braziliensis  ,   645 
Draper,  Harry  Napier. ,  F.  C.  S.,  on  oil  of  cajaput  as  a  means  of  distin- 
guishing between  amber  and  copal   445 
Dujfield,  Samuel  P.,  Ph.  D.,  remarks  on  the  analysis  of  brandy   118 
Durability  of  hemlock  wood   377 
Effervescing  carbonate  of  iron   157 
Elaterium  plant,  culture  of  the   504 
Electro-chemical  coloring   77 
