AjaJuarryPih8f7m"}  Analysis  of  the  Bark  of  Honey  Locust,  41 
with  sodium  hydrate  and  again  agitated  with  this  solvent.  The 
chloroformic  layers  were  allowed  to  evaporate  spontaneously.  The 
residues  were  dissolved  in  alcohol,  but  failed  to  crystallize  on  spon- 
taneous evaporation.  The  test  solutions  for  alkaloids  were  then 
applied  to  the  residue  from  the  chloroform  shaken  with  the  alkaline 
solution,  with  the  following  results : 
Potassium  tri-iodide,  no  precipitate. 
Mayer's  solution,  precipitate. 
Gold  chloride,  precipitate. 
Phospho-tungstic  acid,  precipitate. 
Picric  acid,  precipitate. 
Platinic  chloride,  precipitate. 
Tannic  acid,  no  precipitate. 
Two  and  one-half  kilogrammes  of  the  bark,  when  operated  on  in 
the  manner  described  above,  furnished  a  larger  quantity  of  this 
principle.  The  residue  obtained  upon  evaporating  the  chloroform 
was  dissolved  in  absolute  alcohol,  and  the  solution  filtered  through 
animal  charcoal.  The  filtrate  yielded  crystals  of  the  principle  when 
allowed  to  evaporate  spontaneously.  The  following  reagents  were 
applied  to  these  crystals  on  a  porcelain  surface : 
Sulphuric  acid,  dark-red  color. 
Sulphuric  and  nitric  acids,  brownish-red  color. 
Sulphuric  acid  and  potassium  bichromate,  dark-brown  color. 
Nitric  acid,  brownish-red  color. 
Gold  chloride,  brown  color. 
When  the  crystals  were  heated  with  soda-lime,  ammonia  was 
evolved. 
The  substance,  removed  from  the  acid  filtrate  by  shaking  it  with 
chloroform,  was  dissolved  in  absolute  alcohol,  but  failed  to  crystal- 
lize on  spontaneous  evaporation.  Dissolved  in  water  it  gave  pre- 
cipitates with  the  following  reagents  for  organic  acids : 
Lead  acetate,  yellow  precipitate. 
Silver  nitrate,  dark  precipitate. 
Ferric  chloride,  black  precipitate. 
Potassium  bichromate,  brown  precipitate. 
Gold  chloride,  black  precipitate. 
France  finds  her  Algerian  cork  oaks  a  convenient  and  satisfactory  source  of 
direct  revenue.  According  to  a  recent  official  bulletin,  the  department  of 
Algiers  contains  65,000  acres  of  cork  trees  in  the  hands  of  the  Government. — 
The  Forester. 
