﻿68 
  Scientific 
  Intelligence. 
  

  

  decrease 
  of 
  83 
  pounds 
  in 
  a 
  little 
  more 
  than 
  three 
  years. 
  The 
  

   average 
  rock 
  pressure 
  of 
  the 
  entire 
  gas-producing 
  territory, 
  Nov- 
  

   ember, 
  1897, 
  was 
  191 
  pounds; 
  November, 
  1898, 
  the 
  average 
  of 
  

   the 
  same 
  territory 
  was 
  173, 
  a 
  decrease 
  of 
  18 
  pounds. 
  

  

  " 
  6. 
  The 
  history 
  of 
  other 
  gas 
  fields, 
  the 
  past 
  history 
  of 
  this 
  and 
  

   all 
  its 
  present 
  conditions, 
  justify 
  the 
  statement 
  that 
  the 
  supply 
  of 
  

   gas 
  is 
  failing 
  and 
  will 
  finally 
  be 
  exhausted." 
  (pp. 
  1688-9.) 
  

  

  w. 
  

  

  2. 
  Geological 
  Survey 
  of 
  Canada, 
  G. 
  M. 
  Dawson, 
  Director. 
  — 
  

   The 
  following 
  Reports 
  and 
  Map-Sheets 
  have 
  been 
  recently 
  pub- 
  

   lished 
  : 
  

  

  Annual 
  Report, 
  Vol. 
  X, 
  No. 
  678. 
  Report 
  on 
  the 
  Geology 
  of 
  

   the 
  area 
  covered 
  by 
  the 
  Seine 
  River 
  and 
  Lake 
  Shebandowan 
  Map- 
  

   Sheets, 
  comprising 
  portions 
  of 
  Rainy 
  River 
  and 
  Thunder 
  Bay 
  Dis- 
  

   tricts, 
  Ontario, 
  by 
  William 
  Mclnnes, 
  pp. 
  5 
  H-65 
  H, 
  plates 
  i-iii, 
  

   1899. 
  

  

  Maps 
  to 
  accompany 
  Part 
  H, 
  Vol. 
  X 
  (New 
  Series) 
  : 
  560. 
  Seine 
  

   River 
  Sheet, 
  Thunder 
  Bay 
  and 
  Rainy 
  River 
  Districts, 
  Ontario. 
  

   589. 
  Lake 
  Shebandowan 
  Sheet, 
  Thunder 
  Bay 
  District, 
  Ontario. 
  

  

  Annual 
  Report, 
  Vol. 
  X, 
  No. 
  672. 
  Report 
  on 
  the 
  Geology 
  and 
  

   Natural 
  Resources 
  of 
  the 
  area 
  included 
  by 
  the 
  Nipissing 
  and 
  

   Temiscaming 
  Map-Sheets, 
  comprising 
  portions 
  of 
  the 
  District 
  of 
  

   Nipissing, 
  Ontario, 
  and 
  of 
  the 
  County 
  of 
  Pontiac, 
  Quebec, 
  by 
  

   Alfred 
  Ernest 
  Barlow, 
  pp. 
  5 
  1-302 
  I, 
  plates 
  i-v, 
  figures 
  1-4, 
  1899. 
  

  

  Maps 
  to 
  accompany 
  Part 
  I, 
  Vol. 
  X 
  (New 
  Series): 
  599. 
  Lake 
  

   Temiscaming 
  Sheet, 
  Nipissing 
  District, 
  Ontario, 
  and 
  Pontiac 
  Co., 
  

   Quebec. 
  606. 
  Lake 
  Nipissing 
  Sheet, 
  Nipissing 
  District, 
  Ontario, 
  

   and 
  Pontiac 
  Co., 
  Quebec. 
  

  

  Annual 
  Report, 
  Vol. 
  X, 
  No. 
  662. 
  Section 
  of 
  Mineral 
  Statistics 
  

   and 
  Mines, 
  Annual 
  Report 
  for 
  1897, 
  by 
  Elfric 
  Drew 
  Ingall 
  ; 
  

   Assistants, 
  Theo. 
  C. 
  Denis, 
  J. 
  McLeish, 
  pp. 
  5 
  S-232 
  S, 
  geol. 
  map, 
  

   1899. 
  

  

  No. 
  669. 
  Shuswap 
  Sheet 
  (British 
  Columbia). 
  Economic 
  min- 
  

   erals 
  and 
  glacial 
  strise, 
  by 
  G. 
  M. 
  Dawson, 
  assisted 
  by 
  J. 
  McEvoy, 
  

   1898, 
  scale 
  ^ 
  . 
  

  

  No. 
  604. 
  Shuswap 
  Sheet, 
  geologically 
  colored. 
  In 
  this 
  sheet 
  

   the 
  following 
  formations 
  are 
  recognized 
  and 
  defined, 
  viz.: 
  

  

  Upper 
  Volcanic 
  Group 
  (chiefly 
  basalts), 
  ) 
  Miocene 
  

   Tranquille 
  Beds, 
  etc., 
  f 
  

  

  Coldwater 
  Group, 
  Oligocene. 
  

  

  Nicola 
  Formation, 
  Triassic. 
  

  

  Cache 
  Creek 
  Formation, 
  ") 
  

  

  (Marble 
  Canon 
  Limestones 
  ?) 
  ^ 
  Carboniferous. 
  

  

  Cache 
  Creek 
  Jbormation, 
  ( 
  

  

  (lower 
  members) 
  J 
  

  

  Adams 
  Lake 
  Series, 
  ) 
  n 
  u 
  • 
  

  

  vr- 
  i-ii. 
  o 
  •■ 
  r 
  Cambrian. 
  

  

  Nisconhth 
  Series, 
  ) 
  

  

  Shuswap 
  Series, 
  Archaean. 
  

  

  (and 
  foliated 
  granites.) 
  w. 
  

  

  