212        Recent  Literature  Relating  to  Pharmacy.  {AmAprH*Fmrm" 
phosphate,  dissolving  the  ash  in  hydrochloric  acid,  and  determining 
the  phosphorus  as  magnesium  pyrophosphate.  The  author  con- 
cludes that  the  phosphoric  acid  in  glycerophosphates  can  be  deter- 
mined very  closely  and  rapidly  by  the  method  he  describes ;  that 
the  glycerophosphates  of  lime  appear  to  decompose,  even  during 
heir  preparation ;  and  that  undecomposed  calcium  glycerophos- 
phate seems  to  require  a  quantity  of  acid  equivalent  to  that  of  the 
soda  necessary  to  act  on  phenolphthalein  in  order  to  react  on 
methyl-orange. — Journ.  Pharm.  Chim.  [6],  vii.,  5,  through  Pharma- 
ceutical Journal,  February  19,  1898. 
In  the  issue  of  the  Journal  of  the  American  Medical  Association 
for  February  I2th,  appears  a  paper  having  the  above  title,  by  A.  T. 
Cuzner,  M.D. 
The  author,  after  considering  the  respective  merits  of  arrow-root 
and  cassava  as  sources  of  food,  then  gives  an  account  of  the  third 
member  of  the  group. 
ARROW-ROOT,  CASSAVA  AND  KOONTI. 
Koonti. 
