FOR    THE    YEARS    1901-1905,   INCLUSIVE.  71 
Cole  (A.  D.). 
1.  Clarence  L.  Herrick. 
Science,  new  ser.,  vol,  20,  pp.  600-601,  1904. 
Cole  (Leon  J.). 
1.  The  delta  of  the  St.  Clair  River. 
Mich.  Geol.  Snrv.,  vol.  9,  pt.  1,  pp.  1-28,  4  pis.,  1903. 
Coleman  (Arthur  P.). 
1.  Glacial  and  inter-Glacial  beds  near  Toronto  [Canada]. 
Jour.  Geol.,  vol.  9,  pp.  285-310,  2  figs.,  1901. 
Describes  the  glacial  history,  the  variations  in  climate  and  their  effect  on  the  then  existing 
faunas  and  floras,  and  the  glacial  deposits  of  the  region. 
2.  Marine  and  fresh-water  beaches  of  Ontario. 
Geol.  Soc.  Am.,  Bull.,  vol.  12,  pp.  129-146,  2  figs.,  1901.    Abstract:  Science,  new  ser.,  vol.  13, 
p.  136,  1901. 
Describes  the  marine  deposits,  shell  gravels,  aud  beaches  of  the  region. 
3.  The  Vermilion  River  placers  [Ontario] . 
Ontario  Bureau  of  Mines,  Rept.  for  1901,  pp.  151-159,  1  fig.,  1901. 
Describes  the  character  and  distribution  of  the  placers. 
4.  Iron  ranges  of  the  Lower  Huronian  [Ontario]. 
Ontario  Bureau  of  Mines,  Kept,  for  1901,  pp.  181-211,  4  pis.,  1901. 
"Describes  the  character  and  occurrence  of  the  iron-ore  bodies  of  various  localities,  and  the 
petrographic  characters  of  some  of  the  associated  rocks.  Discusses  the  origin  of  some  of  the 
ores  and  includes  notes  on  the  Pleistocene  geology. 
5.  Sea  beaches  of  eastern  Ontario. 
Ontario  Bureau  of  Mines,  Rept.  for  1901,  pp.  215-227,  2  pis.,  1901. 
Contains  notes  on  the  Leda  clay  and  Saxicava  sand,  and  describes  the  character  and  occur- 
rence of  the  beach  sands  and  gravels  and  their  faunas. 
6.  The  classification  of  the  Archaean. 
Can.  Roy.  Soc,  Proc.  &  Trans.,  2d  ser.,  vol.  8,  sect.  4,  pp.  135-148,  1902. 
Reviews  the  work  upon  the  Archean  and  the  differences  of  interpretation,  and  compares  and 
discusses  the  different  schemes  of  classification  proposed. 
7.  Types  of  iron-bearing  rocks  in  Ontario. 
Eng.  &  Mg.  Jour.,  vol.  74,  p.  842,  1902. 
8.  Nepheline  and  other  syenites  near  Port  Coldwell,  Ontario. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  14,  pp.  147-155,  1902. 
Describes  the  megascopic  and  microscopic  characters  of  these  rocks. 
9.  The  duration  of  the  Toronto  inter-Glacial  period. 
Am.  Geol.,  vol.  29,  pp.  71-80,  1902. 
Reviews  a  recent  paper  by  Upham  and  discusses  the  evidences  indicating  the  duration  of  this 
period. 
10.  The  Huronian  question. 
Am.  Geol.,  vol.  29,  pp.  327-334,  1902. 
Discusses  the  relations  of  the  Huronian  rocks  and  the  views  of  various  geologists  regarding 
these  questions. 
11.  Rock  basins  of  Helen  mine,  Michipicoten,  Canada. 
Geol.  Soc.  Am.,  Bull.,  vol.  13,  pp.  293-304,  1  pi.,  2  figs.,  1902. 
Describes  the  topography  and  the  occurrence  and  origin  of  the  rock  basins. 
12.  Iron  ranges  of  northwestern  Ontario. 
Ont.  Bureau  of  Mines,  Rept.  for  1902,  pp.  128-151,  2  pis.,  1902. 
Describes  geographic  and  geologic  distribution  of  the  iron-bearing  rocks  and  the  stratigraphic 
position  of  the  ores. 
13.  Syenites  near  Port  Coldwell  [Ontario]. 
Ont.  Bureau  of  Mines,  Rept.  for  1902,  pp.  208-213,  2  pis.,  1902. 
Describes  the  occurrence  and  lithologic  characters  of  these  rocks. 
14.  The  Sudbury  [Ontario]  nickel  deposits. 
Ontario  Bur.  Mines,  [12th]  Rept.,  pp.  235-299,  16  pis.,  25  figs.,  1903. 
Describes  topography  and  geology  of  the  region,  the  occurrence  of  ore  bodies  and  mining 
operations,  and  discusses  the  character,  occurrence,  and  origin  of  the  ore  deposits. 
