48  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOOl 
Broadhead  (G.  C. )—  Continued. 
5.  Bitumen  and  oil  rocks. 
Am.  Geol.,  vol.  33,  pp.  27-35,  1904. 
A  general  account  of  the  occurrence  of  bituminous  rocks  and  the  origin  and  utilization  of 
bituminous  products. 
6.  The  loess. 
Am.  Geol.,  vol.  33,  pp.  393-394,  1904. 
Describes  distribution  and  character  of  the  loess  along  the  Missouri  River  and  discusses  its 
origin. 
7.  Surface  deposits  of  western  Missouri  and  Kansas. 
Am.  Geol.,  vol.  34,  pp.  66-67,  1904. 
Describes  the  distribution  of  flint  gravels  in  Missouri  and  Kansas. 
8.  The  saccharoidal  sandstone. 
Am.  Geol.,  vol.  34,  pp.  105-110,  1904. 
Describes  the  occurrence  and  character  of  the  saccharoidal  sandstone  in  Missouri. 
Brock  (R.  W.). 
1.  The  Boundary  Creek  district,  British  Columbia. 
Can.  Geol.  Surv.,  Summ.  Rept.  for  1901,  pp.  49-67,  1902. 
Describes  the  author's  observations  in  this  region. 
2.  The  ore  deposits  of  the  Boundary  Creek  district,  British  Columbia. 
Can.  Mg.  Inst.,  Jour.,  vol.  5,  pp.  365-378,  1902;  Can.  Mg.  Rev.,  vol.  21,  pp.  156-160,  1902. 
Describes  the  rocks  of  this  area  and  the  occurrence  of  ore  bodies. 
3.  Preliminary  report  on  the  Boundary  Creek  district,  British  Columbia. 
Can.  Geol.  Surv.,  Summ.  Rept.  for  1902,  pp.  90-136,  1903. 
Describes  physiographic  features,  general  geology,  character,  occurrence,  and   origin  of 
igneous  rocks,  the  occurrence  and  origin  of  the  copper,  gold,  and  silver  ore  deposits,  and  the 
mining  operations. 
4.  Original  native  gold  in  igneous  rocks. 
Eng.  &  Mg.  Jour.,  vol.  77,  p.  511,  1904. 
Describes  occurrences  of  native  gold  in  igneous  rocks  of  British  Columbia. 
5.  Poplar  Creek  and  other  camps  of  the  Lardeau  district  [British  Columbia]. 
Can.  Mg.  Inst.,  Jour.,  vol.  7,  pp.  87-113,  10  figs.,  1904. 
Gives  a  general  account  of  the  geology  of  the  district  and  the  gold-ore  deposits. 
6.  Platinum  in  British  Columbia. 
Eng.  &  Mg.  Jour.,  vol.  77,  pp.  280-281,  1904. 
Describes  the  occurrence,  character,  and  geological  relations  of  ore  deposits  of  British  Colum- 
bia in  which  platinum  occurs. 
7.  The  Lardeau  district,  British  Columbia. 
Can.  Geol.  Surv.,  Summ.  Rept.  for  1903,  pp.  42-81,  1  map,  1  fig.,  1904. 
Describes  the  physiography,  the  Glacial  and  general  geology,  the  geologic  structure,  the 
occurrence,  character,  and  relations  of  stratified  and  eruptive  rocks,  and  the  occurrence 
and  mining  of  gold  deposits. 
8.  The  Lardeau  mining  district  [British  Columbia]. 
Can.  Geol.  Surv.,  Summ.  Rept.  for  1904,  pp.  80-91,  1905. 
Contains  observations  on  the  physiography,  general  geology,  and  occurrence  of  minerals  of 
economic  value. 
Brock  (R.  W.),  McConnell  (R.  G.)  and. 
1.  Report  on  the  great  landslide  at  Frank,  Alberta. 
See  McConnell  (R.  G.)  and  Brock  (R.  W.),  1. 
Broili  (Ferdinand). 
1.  Ein  Beitrag  zur  Kenntniss  von  Diplocaulus  Cope. 
Centralbl.  f.  Min.,  etc.,  pp.  536-541,  4  figs.,  1902. 
2.  Permische  Stegocephalen  und  Reptilien  aus  Texas. 
Palseontographica.  vol.  51,  pp.  1-120,  13  pis..  5  figs.,  1904. 
Gives  systematic  descriptions  and  discusses  the  relationships  and  classification  of  Stegocephala, 
and  reptiles  from  the  Permian  of  Texas. 
