﻿494 
  F. 
  P. 
  Dunnington 
  — 
  Distribution 
  of 
  Titanic 
  Oxide 
  

  

  (53), 
  dark 
  brown 
  crucible 
  clay 
  and 
  No. 
  (54) 
  red 
  furnace 
  clay 
  ; 
  

   both 
  from 
  Tumkur, 
  India. 
  The 
  three 
  last 
  specimens 
  were 
  

   sent 
  by 
  H. 
  B. 
  M's 
  Secretary 
  for 
  India. 
  No. 
  (55), 
  gray 
  loam 
  

   from 
  the 
  shore 
  of 
  the 
  Sea 
  of 
  Galilee, 
  Palestine, 
  per 
  Rev. 
  Col- 
  

   lins 
  Denny, 
  of 
  Yanderbilt 
  University. 
  

  

  The 
  percentage 
  of 
  titanic 
  oxide 
  found 
  in 
  these 
  respectively 
  

   is 
  given 
  below, 
  and 
  in 
  making 
  an 
  average 
  the 
  specimens 
  (41) 
  to 
  

   (45) 
  are 
  counted 
  as 
  one. 
  

  

  Air-dried. 
  Ignited. 
  Air-dried. 
  Ignited. 
  Air-dried. 
  Ignited. 
  

  

  (41) 
  4-43 
  5-25 
  (47) 
  0*40 
  0-50 
  (53) 
  0*62 
  0*73 
  

  

  (42) 
  2-40 
  3-37 
  (48) 
  0'55 
  , 
  (Too 
  (54) 
  0'28 
  0'30 
  

  

  (43) 
  2-25 
  3-11 
  (49) 
  0'58 
  ' 
  0'68 
  (55) 
  1-80 
  (?) 
  1 
  '90 
  

  

  (44) 
  4-00 
  4-64 
  (50) 
  0-60 
  0'65 
  Average 
  0*90 
  1-18 
  

  

  (45) 
  2-78 
  337 
  (51) 
  0*54 
  0*56 
  

  

  (46) 
  0-70 
  0-80 
  (52) 
  0'69 
  

  

  Nos. 
  (56) 
  to 
  (72) 
  are 
  soils 
  from 
  Europe. 
  — 
  Nos. 
  (56) 
  to 
  (62) 
  

   are 
  from 
  Russia 
  and 
  were 
  sent 
  by 
  Prof. 
  Nich, 
  Menschutkin, 
  

   Kaiser. 
  University, 
  St. 
  Petersburg. 
  No. 
  (56) 
  is 
  a 
  yellow 
  sandy 
  

   loam, 
  "Souglinok," 
  from 
  Borovitsky, 
  Novgorod.' 
  No. 
  (57), 
  

   dark 
  gray 
  loam, 
  Prof. 
  DocoutschaefFs 
  type, 
  " 
  Solonetz 
  " 
  (bar- 
  

   ren 
  black 
  earth), 
  Prilouky, 
  Poltava. 
  No. 
  (58), 
  brown 
  gray 
  

   loam, 
  forest 
  soil, 
  Zenkovsky, 
  Poltava. 
  No. 
  (59), 
  dark 
  gray 
  

   loam, 
  " 
  Tschernosem," 
  (black 
  earth), 
  Prilouki, 
  Poltava. 
  No. 
  

   (60), 
  sandy 
  black 
  earth, 
  " 
  Tschernosem," 
  Zenkovetsky, 
  Polkava. 
  

   No. 
  (61), 
  black 
  earth, 
  "Tschernosem," 
  Balashoff, 
  SaratofT. 
  No. 
  

   (62), 
  black 
  earth, 
  " 
  Tschernosem," 
  Zoubrilovka, 
  Saratov. 
  No. 
  

   (63), 
  white 
  porcelain 
  clay 
  from 
  Halle, 
  Prussia. 
  No. 
  (64,) 
  

   white 
  porcelain 
  clay 
  from 
  St. 
  Yrienx 
  near 
  Limoges, 
  France. 
  

   No. 
  (65), 
  yellow 
  gray 
  loam 
  from 
  Florence, 
  Italy, 
  per 
  Dr. 
  C. 
  L. 
  

   Minor, 
  of 
  New 
  York. 
  Nos. 
  (66) 
  to 
  (72) 
  are 
  from 
  Great 
  Britain 
  

   and 
  were 
  collected 
  for 
  me 
  by 
  Prof. 
  W. 
  Gr. 
  Brown, 
  of 
  Lexing- 
  

   ton, 
  Ya. 
  No. 
  (66) 
  black 
  garden 
  soil, 
  Kensington, 
  London. 
  

   No. 
  (67), 
  dark 
  gray 
  loam 
  from 
  coast 
  near 
  Brighton. 
  No. 
  (68), 
  

   gray 
  loam, 
  Liverpool. 
  No. 
  (69), 
  gra}^ 
  sandy 
  loam, 
  Donington, 
  

   Lincolnshire. 
  No. 
  (70), 
  gray 
  sandy 
  loam, 
  Cambridge. 
  No. 
  

   (71), 
  browu 
  yellow 
  clay, 
  Inversnaid, 
  Loch 
  Lomond, 
  Scotland. 
  

   No. 
  (72), 
  brown 
  clay, 
  under 
  Forth 
  bridge, 
  N. 
  Queensferry. 
  

  

  The 
  percentage 
  of 
  titanic 
  oxide 
  found 
  in 
  these 
  respectively 
  

   is 
  as 
  follows 
  : 
  

  

  (56) 
  

  

  0*54 
  

  

  0-57 
  

  

  (62) 
  

  

  0-56 
  

  

  0-73 
  

  

  (68) 
  

  

  0-41 
  

  

  0-46 
  

  

  (57) 
  

  

  0-40 
  

  

  0-43 
  

  

  (63) 
  

  

  0-03 
  

  

  0-03 
  

  

  (69) 
  

  

  0-45 
  

  

  0-49 
  

  

  (58) 
  

  

  0-60 
  

  

  0-70 
  

  

  (64) 
  

  

  0-015 
  

  

  0-017 
  

  

  (70) 
  

  

  0-50 
  

  

  0-53 
  

  

  (59) 
  

  

  0-32 
  

  

  0-34 
  

  

  (65) 
  

  

  0*53 
  

  

  0-62 
  

  

  (71) 
  

  

  0-85 
  

  

  0-89 
  

  

  (60) 
  

  

  0-58 
  

  

  0-66 
  

  

  (66) 
  

  

  0-21 
  

  

  0-27 
  

  

  (72) 
  

  

  2-36 
  

  

  2-52 
  

  

  (81) 
  

  

  0*63 
  

  

  0-79 
  

  

  (67) 
  

  

  0-46 
  

  

  0-52 
  

  

  Average 
  

  

  0-54 
  

  

  0-62 
  

  

  