102  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Douglass  (Earl). 
1.  The  Neocene  lake  beds  of  western  Montana  and  descriptions  of  some  new  verte- 
brates from  the  Loup  Fork. 
Mont.  Univ.,  Missoula,  Mont.,  27  pp.,  4  pis.,  1899.     (Published  by  the  University.) 
2.  New  species  of  Merycochcerus  in  Montana.     Part  II. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  11,  pp.  73-89,  5  rigs.,  1901. 
Describes  material  from  Tertiary  beds. 
3.  A  Cretaceous  and  Lower  Tertiary  section  in  south  central  Montana. 
Am.  Phil.  Soc,  Proc,  vol.  41,  pp.  207-224,  1  pi.,  1902. 
Describes  the  lithologic  and  faunal  characters  of  the  beds  exposed  along-  the  Musselshell 
River,  and  discusses  the  problem  of  the  transition  from  the  Mesozoic  to  Cenozoic  time. 
4.  Fossil  mammalia  of  the  White  River  beds  of  Montana. 
Am.  Phil.  Soc,  Trans.,  new  ser.,  vol.  20,  pp.  237-279,  1  pi.,  map,  1902. 
Describes  the  characters  of  the  strata  and  of  the  fossil  mammals  collected. 
5.  Dinosaurs  in  the  Ft.  Pierre  shales  and  underlying  beds  in  Montana. 
Science,  new  ser.,  vol.  15,  pp.  31-32,  1902. 
Discusses  the  occurrence  of  the  fossils  and  the  character  and  origin  of  the  beds  in  which  they 
are  found. 
6.  The  discovery  of  Torre j on  mammals  in  Montana. 
Science,  new  ser.,  vol.  15,  pp.  272-273,  1902. 
7.  Astropecten?  montanus — a  new  star-fish  from  the  Fort  Benton;  and  some  geologi- 
cal notes. 
Carnegie  Mus.,  Ann.,  vol.  2,  pp.  5-8,  1  fig.,  1903. 
8.  New  vertebrates  from  the  Montana  Tertiary. 
Carnegie  Mus.,  Ann.,  vol.  2,  pp.  145-199,  1  pi.,  37  figs.,  1903. 
"    A  brief  account  of  the  stratigraphy  of  the  formations  from  which  the  fossils  were  obtained 
precedes  detailed  generic  and  specific  descriptions. 
9.  The  Tertiary  of  Montana. 
Carnegie  Mus.,  Mem.,  vol.  2,  pp.  203-224,  1  pi.,  1905. 
Describes  the  remains  of  fossil  mammalia  from  the  White  River  beds  of  Montana. 
10.  Some  notes  on  the  geology  of  southwestern  Montana. 
Carnegie  Mus.,  Ann.,  vol.  3,  pp.  407-428,  1  pi.,  1905. 
Describes  the  occurrence,  character,  and  relations  of  Archean,  Algonkian,  Cambrian,  Devon- 
ian, and  Carboniferous  strata,  and  gives  lists  of  fossils  obtained. 
11.  Source  of  the  placer  gold  in  Alder  Gulch,  Montana. 
Mines  and  Minerals,  vol.  25,  pp.  353-355,  3  figs.,  1905. 
Contains  notes  on  the  geology  of  the  region. 
Dowlen  (Walton  E.). 
1 .  The  Turtle  Mountain  rock  slide  [Alberta,  Canada] . 
Eng.  &  Mg.  Jour.,  vol.  76,  pp.  10-12,  illus.,  1903. 
Describes  a  rock  slide  and  the  geologic  conditions  which  produced  it. 
Dowling-  (D.  B.). 
1.  Report  on  the  geology  of  the  west  shore  and  islands  of  Lake  Winnipeg. 
Can.  Geol.  Surv.,  new  ser.,  vol.  11,  Rept.  F.,  100pp.,  2  pis.,  10  figs.,  1901,  published  in  1900. 
Describes  the  physiography,  the  character,  occurrence,  and  faunas  of  the  Ordovician  strata 
and  the  glacial  phenomena  of  the  region. 
2.  The  physical  geography  of  the  Red  River  Valley  [Canada]. 
Ottawa  Nat.,  vol.  15,  pp.  115-120,  2  pis.,  1901. 
Describes  the  physiographic  history  of  the  region. 
3.  The  west  side  of  James  Bay. 
Can.  Geol.  Surv.,  Summ.  Rept.  for  1901,  pp.  107-115,  1902. 
Describes  the  author's  observations  in  this  area. 
4.  Eastern  Assiniboia  and  southern  Manitoba. 
Can.  Geol.  Surv.,  Summ.  Rept.  for  1902,  pp.  180-190,  1903. 
Describes  observations  upon  the  geology  and  economic  resources  of  the  region  examined. 
