590 
INDEX. 
Vienna  glycerin,  impure  «   548 
Vleminckx's  solution  for  the  itch   523 
Vinum  pepsicum   239 
Wallace,  Z)7\,  on  animal  charcoal   425 
Wayne,  Edward  S.,  on  bi-tartrate  of  potassa  and  other  products  from 
Catawba  wine   ^5 
"            <£        on  quicksilver  in  North  Carolina   ^(5 
"            "        on  American  opium  ,   ^ 
"            11         on  mata...    122 
"            "        on  the  gizzard  of  the  South  American  ostrich   123 
Weights  and  measures,  international   I84 
Weights  and  measures,  English  and  French   445 
Weldon,  Walter,  on  a  new  manufacturing  process  for  the  perpetual  re- 
generation of  oxide  of  manganese  used  in  liberating  chlorine  from 
hydrochloric  acid       254 
Wells' process  for  copper-plating  iron   415 
Wenzel,  Prof.,  on  carbolate  of  quinia     449 
Werber,  A.,  on  the  detection  of  nitro-glycerin  .   449 
Westphalian  pyrites   435 
Wet  method  of  reducing  chloride  of  silver   268 
What  is  opium  ?     524 
What  is  a  prescription?   471 
Whey  as  food  for  infants  ,   395 
Williams,  John,  F.  C.S.,  on  the  preparation  of  urea    260 
Wood,  C.  H.,  F.  C.  S.,  on  hydrargyri  iodidum  viride,  B.  P  >  337 
"       "         "       note  on  hypophosphite  of  iron  ,   342 
Wormley's  test  for  free  sulphuric  acid   10*7 
Wright,  Charles,  on  a  tropical  air  plant   537 
Zinc,  relation  of  percentage  to  density  in  solution  of  chloride  of   396 
