74  BIBLIOGRAPHY    OF    NORTH    AMERICAN     GEOLOGY 
Combes  (Paul). 
1.  Exploration  de  l'ile  d'Anticosti. 
Paris,  Joseph  Andr<5  et  Cie.,  1896.    46  pp.  and  map. 
Contains  a  brief  account  of  the  geology  of  the  island  of  Anticosti. 
Comstock  ( Frank  M. ) . 
1.  A  small  esker  in  western  New  York. 
Am.  Geol.,  vol.  32,  pp.  12-14,  3  figs.,  1903. 
2.  Ancient  lake  beaches  on  the  islands  in  Georgian  Bay. 
Am.  Geol.,  vol.  33,  pp.  312-318,  2  pis.,  1  fig.,  1904. 
Describes  the  occurrence  and  character  of  elevated  beaches. 
Comstock  (Theodore  B. ). 
1.  The  geology  and  vein  phenomena  of  Arizona. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  30,  pp.  1038-1101,  1  fig.,  1901. 
Gives  a  general  description  of  the  mineral  regions.    Discusses  the  orographic  disturbances 
and  their  effects  on  ore  deposition,  and  describes  the  stratigraphic  succession  in  the  state. 
2.  Edward  Claypole,  the  scientist. 
Am.  Geol.,  vol.  29,  pp.  1-23,  1  pi.,  1902. 
3.  Memoir  of  Edward  Waller  Claypole. 
Geol.  Soc.  Am.,  Bull.,  vol.  13,  pp.  487-497,  1903. 
Includes  a  list  of  publications. 
4.  Superficial  blackening  and  discoloration  of  rocks,  especially  in  desert  regions. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  35,  pp.  1014-1017,  1905. 
Discusses  the  occurrence  of  these  features  and  their  explanation. 
Comstock  (W.  J.),  Allen  (O.  D. )  and. 
1.  Bastnasite  and  tysonite  from  Colorado. 
See  Allen  (O.  D.)  and  Comstock  (W.  J.),  1. 
Concannon  (Michael). 
1.  Relation  [regarding  the  discovery  of  the  Lansing,  Kansas,  skeleton]. 
Memoirs  of  Exploration  in  the  Basin  of  the  Mississippi,  vol.  7,  Kansas,  pp.  92-93,  1903. 
Details  the  circumstances  of  the  finding  of  the  fossil  human  remains  near  Lansing,  Kansas 
Condon  (Thomas). 
1.  The  two  islands  and  what  came  of  them. 
Portland,  Oregon,  J.  K.  Gill  Company,  1902.    211  pp.,  30  pis. 
Describes  the  geological  history  of  Oregon. 
Condra  (George  Evart). 
1.  New  Bryozoa  from  the  Coal  Measures  of  Nebraska. 
Am.  Geol.,  vol.  30,  pp.  337-359,  8  pis.,  1902. 
2.  The  Coal  Measure  bryozoa  of  Nebraska. 
Nebr.  Geol.  Surv.    vol.  2,  pt.  1,  pp.  11-168,  21  pis.,  1903. 
Reviews  literature  bearing  on  the  subject,  gives  list  of  Coal  Measure  bryozoa  in  the  United 
States,  table  of  geographic  distribution  in  Nebraska,  and  systematic  descriptions  of  genera 
and  species. 
3.  On  Rhombopora  lepidodendroides  Meek. 
Am.  Geol.,  vol.  31,  pp.  22-24,  2  pis.,  1903. 
Describes  characters  and  occurrence  in  the  Permian  of  Nebraska. 
4.  An  old  Platte  channel  [Nebraska]. 
Am.  Geol.,  vol.  31,  pp.  361-369,  2  figs.,  1903. 
Describes  situation,  stratigraphic  and  physiographic  features  of  the  valley  to  which  the  name 
Todd  Valley  is  given,  and  the  evidences  of  its  containing  a  buried  channel  formerly  occu. 
pied  by  the  Platte  River. 
5.  Stratigraphic  delineation  of  the  Benton  and  Niobrara  formations  of  Nebraska. 
Abstract:  Science,  new  ser.,  vol.  19,  p.  925,  1904. 
