90  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Davis  (William  Morris) — Continued. 
24.  The  drainage  of  cuestas. 
London  Geol.  Assoc,  Proc,  vol.  16,  pp.  75-93,  16  figs.,  1899. 
Cites  some  American  physiographic  features  in  illustration. 
25.  Les  enseignements  du  Grand  Canyon  du  Colorado. 
La  Geog.,  Soc.  de  Geog.,  Paris,  Bull.,  vol.  4,  pp.  339-351,  4  figs.,  1901. 
Describes  geologic  and  physiographic  features  of  the  Grand  Canyon  of  the  Colorado. 
26.  Baselevel,  grade,  and  peneplain. 
Jour.  Geol.,  vol.  10,  pp.  77-109,  1902. 
Discusses  the  use  of  these  words  and  the  meanings  that  have  been  given  them. 
27.  Field  work  in  physical  geography. 
Jour.  Geog.,  vol.  1,  pp.  17-24,  62-69,  1902. 
Discusses  the  differences  between  geography  and  geology. 
28.  The  terraces  of  the  Westfield  River,  Massachusetts. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  14,  pp.  77-94,  1  pi.,  5  figs.,  1902. 
Describes  the  local  features  of  these  terraces  and  discusses  their  origin. 
29.  River  terraces  in  New  England. 
Harv.  Coll.,  Mus.  Comp.  Zool.,  Bull.,  vol.  38,  pp.  281-346,  42  figs.,  1902. 
Discusses  the  formation  of  river  terraces. 
30.  Current  notes  on  physiography. 
Science,  new  ser.,  vol.  15,  pp.  74-75,  1902. 
Contains  an  abstract  of  the  Washington  folio  of  the  U.  S.  Geological  Survey. 
31.  The  walls  of  the  Colorado  Canyon. 
Abstract:  Science,  new  ser.,  vol  15,  p.  87,  1902. 
32.  The  effect  of  the  shore  line  on  waves. 
Abstract-  Science,  new  ser.,  vol.  15,  p.  88,  1902. 
33.  Current  notes  on  physiography. 
Science,  new  ser.,  vol.  15,  pp.  154-156,  1902. 
Contains  an  abstract  of  a  paper  by  Hershey  on  the  '  Geology  of  the  central  portion  of  the 
Isthmus  of  Panama.' 
34.  Current  notes  on  physiography. 
Science,  new  ser.,  vol.  15,  pp.  234-235,  1902. 
Contains  abstracts  of  papers  by  Collie  on  the  physiography  of  Wisconsin. 
35.  Current  notes  on  physiography. 
Science,  new  ser.,  vol.  16,  pp.  636-637,  1902. 
Discusses  a  paper  by  Newsom  on  'Drainage  of  southern  Indiana,'  and  gives  an  abstract  of 
paper  by  Jaggar,  '  The  laccoliths  of  the  Black  Hills.' 
36.  Current  notes  on  physiography. 
Science,  new  ser.,  vol.  16,  pp.  748-749,  1902. 
Gives  an  abstract  of  paper  by  Marbut  on  '  The  evolution  of  the  northern  part  of  the  lowlands 
of  southeastern  Missouri.' 
37.  Current  notes  on  physiography. 
Science,  new  ser.,  vol.  16,  pp.  914-915,  1902. 
Gives  an  abstract  of  a  paper  by  J.  E.  Todd  on  the  '  Hydrographie  history  of  South  Dakota.' 
38.  Current  notes  on  physiography. 
Science,  new  ser.,  vol.  16,  pp.  995-996,  1902. 
Gives  an  abstract  of  Daly's  report  on  '  The  geology  of  the  northeast  coast  of  Labrador.' 
39.  Current  notes  on  physiography. 
Science,  new  ser.,  vol.  17,  pp.  115-117,  1903. 
Gives  an  outline  of  Fairchild's  work  on  the  "  Pleistocene  geology  of  western  New  York." 
40.  Current  notes  on  physiography. 
Science,  new  ser.,  vol.  17,  pp.  193-195,  1903. 
Discusses  the  physiographic  divisions  of  Kansas. 
41.  Current  notes  on  physiography. 
Science,  new  ser.,  vol.  17,  pp.  354-356,  1903. 
Contains  a  discussion  of  abandoned  channels  of  the  Monongahela. 
