42

128  Magnetic  iron  sand  from  the  South  ° f  Indl ®-.
129.  Wootz,  or  native  steel-iron,  produced  from  this
130.  Iron!  of  native  manufacture,  with  oharcoal,
from  near  Salem.  Sent  hy  the  Mysore  Com-131
  Wootz,  of  native  manufacture,  with  oharcoal,
from  near  Salem.  Sent  hy  the  Mysore  Committee. ­
  Of  excellent  quality.
132  Crucible  used  in  the  manufacture  of  tms  steeliron.
  Sent  hy  Madras  Committee.
133.  Pig  iron,  from  the  Salem  Ironworks  (not  now
134.  Pig  iron & (white),  from  the  East  India  Ironworks ­
  at  Porto  Novo.  ,.  ,  ,
135.  Pig  iron  (grey),  from  the  East  India  Ironworks
at  Porto  Novo.  ,  .  ,  ,,
136.  Pig  iron,  with  graphite  crystalhzed  in  hollows.
137-  Specular  iron  ore,  from  Burmali
138.  Brown  hfematite,  with  magnetic  iron,  trom
Tavoy,  Tenasserim.  .
139.  Brown  hiematite,  from  Mergui,  Tenasserim.
140.  Steel  wire,  of  various  thicknesses.  Ihiss
used  for  the  different  stnngs  or  wes  of  the
native  sittara  or  guitar.  Sent  ,hy  the  Mysore
Committee.
Chkomium.
141  Chromite,  from  Hanle,  Eadak.
142!  Chromite,  from  Salem.  Sent  by  Madras
143  Chromite,  from  near  Salem  (the  so-called
“Chalk  Hills”).
144.  Bichromate  of  potash,  from  Salem  ore.
Manganese.
145.  Psilomelane,  with  limonite,  from  Tavoy,  Ten3iS
  s  cron  •
146.  Psilomelane,  from  Mergui,  Tenasserim.
Tin.

147  Impure  tinstone,  from  north  of  Parisnath  Hill,
in  the  district  of  Hazanhagh.  Contams
32'  4  per  Cent,  of  tin.  This  lode  was  worked
for  a  few  months,  hut  unsuccessfully.
148  Tin  produced  from  No.  147,  from  north  o
Parisnath  Hill,  in  the  district  of  Hazaribagh
149  Tinstone  (stream  tin),  from  Kaymakhpeu,  .)
miles  from  Tonghoo,  British  Burmah.
150.  Tinstone,  in  crystals,  from  the  Karen  Hi  s,
east  of  Tonghoo.  ,  „
151.  Tinstone,  in  crystals,  crushed,  ready  for  the
152.  Tin!  produced  from  No.  151,  cast  in  the  hollow
of  a  split  bamboo.
153  Tinstone,  from  Henzai  Bay,  Moulmem.
154'.  Tinstone,  artificially  washed  from  the  decomposed
  granite  of  a  vein,  No.  154a,  in  the
Kahan  Hill,  near  Mergui.
154a  Felspathic  vein,  holdmg  crystals  of  tinstone.
“’ÄÄ'.’S'ff'Äts
157  Tinstonej  with  wolfram,  from  Gahmon  Mine,
Mergui.  This  and  the  followmg  show  each
the  result  of  separate  washings  of  the  stream
tin  from  the  various  localities.

158.  Tinstone,  from  Thabawliek  River,  Mergui.  _
159.  Tinstone,  from  Khamoungtang  River,  Mergui.
160  Tinstone,  from  the  Malewun  River,  a  tributary
of  the  Pakchan,  Tenasserim  Provmces.  Each
separate  hottle  shows  the  result  of  a  separate
washing  of  the  stream  tin  deposit.
161.  Tinstone,  from  the  Bhenong  River,  a  tributary
of  the  Pakchan  River.
162.  Tinstone,  from  the  Bokpyen  River,  a  tributary
of  the  Pakchan  River.
163.  Tinstone,  from  the  Thengdau  River,  a  tributary
of  the  great  Tenasserim  River.
164.  Tin,  in  small  ingots,  produced  from  stream  tin,
weight  ahout  1  lb.  4f  oz.
165.  166.  Tin,  in  rüde  castmgs.  These  are  locally
used  as  money,  or  exchanged  for  goods,  at  the
rate  of  four  annas,  or  sixpence,  each.
167.  Tin,  in  ingots,  from  Tenasserim.
168.  Tin  Castings,  from  Tavoy.
169.  Tin  Castings,  from  Tavoy.  _
170.  Tinstone,  from  Srimenauti.  Malay  Peninsula.
171.  Tinstone,  from  Salengore,  Malay  Peninsula.
Antimony.
172.  Stihnite,  sulphide  of  antimony,  from  near
Shigri  glacier,  Lahoul.
173.  Stihnite,  from  Moliye,  Ava.
174.  Stihnite,  from  Moulmem.
175.  Antimony,  pure,  said  to  have  heen  found  on
shore  in  Straits  Settlements.
COAL,.
The  coal  trade  in  India  is  daily  beeoming  of  greater
imnortance.  The  amount  raised  had  mcreased  between
  the  years  1858  and  1868  from  220,082  tons  to
484  642  tons,  or  considerably  more  than  doublecl.
The  mines  are  gradually  being  extended  and  worked
in  a  better  manner  tban  formerly,  and  the  coal  is
sent  to  market  in  a  better  state.  The  series  of
specimens  exhibited  contains  examples  of  almost
every  variety  of  coal  now  in  use.

173.  Coal,  from  the  Ranigunj  sea ®>
Depth  of  shaft  (from  suvface  to  coal),  200  feet;
thickness  of  seam,  14  feet.
Specific  gravity  -  1‘318  1  360  1  3ö5
Lo^on-heating  ^  ^
Löss  at  red  lieat  35'400  34 - 0  34'6
(including  moisture).

Carbon
Hydrogen
Oxygen  and
nitrogen
Sulphur
Ash
Coal  dried  at  212'

66-46
4-89
11-35
1-30
16-00

67-77
4-79
13-58
0-86
13-00

66-81
4-86
14-27
0-96
13-10

v  b  —These  and  the  following  analyses  made  in
the  laboratory  of  the  Geological  Survey  of  India  are
not  of  the,individual  specimen  exhibited,  but  ot
other  average  specimens  from  the  same  seams.
174.  Coal,  from  Nimcha  Colliery,  Ranigunj  Coalfield.
  Depth  of  Shaft,  77  feet;  thickness  of
seam,  17  feet  6  inohes.