220 
A  ustralian  Sandarach. 
Am.  Jonr.  Pharm. 
April,  1895. 
microcarpa,  Benth.).  A  sample  of  resin  from  this  species  dissolves 
almost  entirely  in  rectified  spirit,  forming  a  pale  yellow  solution. 
The  insoluble  residue  amounts  to  4  6  per  cent  Petroleum  spirit, 
when  digested  on  the  resin,  removes  no  less  than  35  8  per  cent,  of 
a  transparent,  colorless  resin.  This  is  a  remarkable  percentage,  and 
it  would  be  interesting  to  inquire  whether  Australian  Sandarach 
becomes  increasingly  soluble  in  that  menstruum  by  age.  An  ordi- 
nary sample  of  commercial  Sandarach  yielded  8-9  per  cent,  to 
petroleum  spirit. 
Callitris  citpressiformis,  Vent.:  "  The  Oyster  Bay  Pine  of  Tas- 
mania," partly.  This  is  the  pine  already  referred  to,  and  a  brief 
account  of  the  resin  has  been  copied  into  many  of  the  text-books.  I 
have  collected  resin  of  this  species  from  Port  Jackson,  clear  and 
transparent  as  water.  It  turns  pale  amber-colored  if  placed  in  a 
bottle,  but  its  brilliancy  shows  no  sign  of  diminution  in  that  time. 
The  Sydney  trees  readily  exude  their  resin  on  slightly  wounding, 
and  the  same  remarks  apply  to  the  Tasmanian. 
Callitris  calcarata,  R.  Br.  (Syn.  Frenela  Endlicheri,  Parlat).  A 
sample  of  Red  Pine  resin  from  the  Lachlan  River  has  freshly  exuded, 
and  has  the  color  and  appearance  of  best  selected  Sandarach.  Rec- 
tified spirit  nearly  wholly  dissolves  it,  forming  a  beautifully  clear, 
slightly  yellowish  liquid,  with  1-3  per  cent,  of  residue.  Petroleum 
spirit  extracts  22-1  per  cent,  of  an  apparently  perfectly  colorless  and 
transparent  resin. 
APPENDIX  A. 
Gum  Sandarach. 
London,  nth  May,  1892. — The  market  is  very  dull.  At  auction  sale  last 
Thursday  a  few  packages  sold,  without  reserve,  at  59s.  6d.  to  61s.  for  fair  palish 
gum. 
London,  16th  September,  1893. — Sold  cheaply  to-day  at  a  decline  of  about  3s. 
to  4s.  for  a  parcel  of  13  casks,  offered  without  reserve;  it  brought  from  72s.  to 
74s.  per  cwt. 
London,  14th  October,  1893. — A  parcel  of  12  casks  sold  cheaply,  without 
reserve,  at  65s.  per  cwt.,  one  lot  realizing  is.  more. 
London,  25th  November,  1893. — Nineteen  casks  sold  very  cheaply  to  day; 
ordinary  dirty  and  dusty  at  48s.  6d.,  medium  quality  at  from  64s.,  rising  to  69s. 
per  cwt. 
London,  3d  March,  1894. — Seven  casks,  mostly  oil  damaged,  sold,  without 
reserve,  with  fair  competition,  at  41s.  to  565.  per  cwt. 
The  latest  London  quotation  of  a  wholesale  London  firm  is  125s.  per  cwt. 
