INDEX.  589 
Uva  ursi,  fluid  extract  of         .          .          .          .          •          •  301 
Valerianate  of  ammonia  .  .  .  .  .  .27,  366 
Van  Der  Burg,  E.  A.,  on  the  detection  of  strychnine  .          .          .  267 
Vanilla  .   315 
Varieties          ........  561 
Veratrum  viride           .......  474 
Vteiguth,  F.9  on  the  recognition  of  phosphorus           ...  29 
Vinegar,  on  testing  the  amount  of  acetic  acid  in         .          •          •  441 
Vitis  vinifera     ........  83 
Vokl}  H.,  on  phaseomannite,  a  new  sugar        ....  41 
Vogel,Jr.,  M.  A.,  on  a  new  method  of  preparing  oxide  of  iron  for 
polishing  glass  and  metals       ....  69 
Vorwerk,  F.,  on  the  preparation  of  chemically  pure  sulphuric  acid     .  167 
Wagner,  Prof.  R.,  on  the  preparation  of  drying  oils     .          .          .  168 
Wayne,  Edward  S.}  investigation  of  a  spurious  Winter's  bark  .          .  1 
Weaver,  Thomas,  on  the  solubility  of  gallic  acid  in  glycerin    .          .  82 
Weights,  examination  of  grain           .          .          .          .          .  15 
Wertheim,  Prof.  T.,  on  conhydrin,  a  new  alkaloid  from  conium  maculatum  321 
WicJce,  W.,  on  the  superphosphate  of  decomposed  bones       .          .  80 
Wild  senna       ........  230 
Winter's  bark,  on  spurious       .  .  .  .  .  1,  212 
Wittstein,  Dr.  G.  C,  on  chemico-legal  analysis  of  blood        .          .  30 
"              on  a  new  cinchona  bark,  and  its  alkaloid  cinchonidin  115 
"               on  iodine  water    .....  398 
Wohler  and  St.  Claire  Dcville  on  boron  .....  339 
Wood  oils         ........  139 
Writing  ink  in  cakes,  preparation  of    .          .          .          .          .  352 
Wurtz,  Adolph,  on  the  artificial  formation  of  glycerin          .          .  428 
Xanthoxylum  piperitum          ......  444 
Zinc,  lactate  of  , 
426 
