72  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Coleman  (Arthur  P.) — Continued. 
15.  Types  of  iron-bearing  rocks  in  Ontario. 
Eng.  &  Mg.  Jour.,  vol.  75,  pp.  294-295,  1903. 
16.  Iroquois  beach  in  Ontario. 
Geol.  SOC.  Am.,  Bull.,  vol.  15,  pp.  347-368,  1  pi.  (map),  1904. 
Describes  locution  and  character  of  the  beach  in  Ontario  of  Lake  Iroquois  and  discusses  the 
levels  and  tilting  of  the  beach,   the  outlet  of   the  lake,   and  its  geological  and    time 
relationships. 
17.  The  Iroquois  beach  in  Ontario. 
Ont.  Bur.  Mines,  Rept.,  1904,  pt.  1,  pp.  22.5-244,  1904. 
18.  The  northern  nickel  range  [Ontario]. 
Ont,  Bur.  Mines,  Rept.,  1904,  pt.  1,  pp.  192-222,  5  pis.,  1904. 
Describes  the  topography,  general  geology,  and  the  occurrence,  character,  and  geological 
relations  of  nickel  and  iron-ore  deposits. 
19.  The  Sudbury  nickel-bearing  eruptive. 
Abstract:  Geol.  Soc.  Am.,  Bull.,  vol.  15,  p.  551,  1904;  Science,  new  ser.,  vol.  19,  p.  526,  1904; 
Sci.  Am.  Suppl.,  vol.  57,  p.  23446,  1904;  Eng.  &  Mg.  Jour.,  vol.  77,  p.  73,  1904. 
20.  Geology  of  the  Sudbury  district  [Ontario]. 
Eng.  &  Mg.  Jour.,  vol  79,  pp.  189-190,  1905. 
21.  Theories  of  world  building. 
Can..   R.   Astron.   Soc,   Selected   Papers  and   Proc,  1904,   pp.  53-56,  1905;    Sci.  Am.  Suppl., 
vol.  60,  p.  24703,  1905. 
Discusses  the  nebular  and  planetesimal  hypotheses. 
22.  Glacial  lakes  and  Pleistocene  changes  in  the  St.  Lawrence  Valley. 
Intern.  Geog.  Cong.,  Eighth,  Rept.,  pp.  480-48(5,  1905. 
Coleman  (Arthur  P.)  and  Willmott  (A.  B.). 
1.  The  Michipicoten  iron  region  [Ontario]. 
Ont.  Bureau  of  Mines,  Rept.  for  1902,  pp.  152-185,  4  pis.,  2  figs.,  geol.  map,  1902. 
Describes  the  topography,  gives  a  classification  of  the  Huronian  rocks,  discusses  the  geology 
and  formation  of  the  iron  ores,  and  describes  the  petrology  of  this  region. 
2.  The  Michipicoten  iron  ranges  [Ontario]. 
Toronto  Univ.  Studies,  Geol.  ser.,  no.  2,  47  pp.,  2  maps,  1902. 
Colles  (George  Wetmore). 
1.  Mica  and  the  mica  industry. 
Franklin  Inst.,  Jour.,  vol.  160,  pp.  275-294,  3  pis.,  5  figs.,  1905. 
Describes  the  characters  of  micas  and  discusses  the  age  and  origin  of  pegmatite  dikes,  the 
origin  of  the  mica,  and  the  origin  and  relations  of  the  Canadian  mica  deposits. 
Collie  (George  Lucius). 
1.  Wisconsin  shore  of  Lake  Superior. 
Geol.  Soc.  Am.,  Bull.,  vol.  12,  pp.  197-216,  2  figs.,  1901. 
Describes  the  general  geology  of  the  region,  the  shore  formations  and  beach  phenomena,  and 
the  characters  of  the  wave  erosion  and  its  topography. 
2.  Physiography  of  Wisconsin. 
Am.  Bur.  Geog.,  Bull.,  vol.  2,  pp.  270-287,  9  figs.,  1901. 
3.  Ordovician  section  near  Bellefonte,  Pennsylvania. 
Geol.  Soc.  Am.,  Bull.,  vol.  14,  pp.  407-420,  1  pi.,  1903. 
Describes  position,  character,  stratigraphy,  and  fauna  of  Ordovician  formations  in  Center 
County,  Pennsylvania,  and  describes  some  new  species  of  Ordovician  fossils. 
Collier  (Arthur  J.). 
1.  A  reconnaissance  of  the  northwestern  portion  of  Seward  Peninsula,  Alaska. 
U.  S.  Geol.  Surv.,  Professional  Paper  no.  2,  70  pp.,  12  pis.,  1902. 
Describes  the  geology  and  physiography  of  this  region  and  gives  notes  on  the  petrology  and 
the  occurrence  of  gold  and  tin. 
2.  The  coal  resources  of  the  Yukon,  Alaska. 
U.  S.  Geol.  Surv.,  Bull.  no.  218,  71  pp.,  6  pis.,  3  figs.,  1903. 
Describes  the  general  geology  and  the  occurrence  and  character  of  the  coal  deposits. 
