366  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Wiel  (Samuel  C). 
1.  A  Nevada  ore  deposit. 
Mg.  &  Sci.  Press,  vol.  88,  pp.  330-331,  1904. 
Describes  occurrence,  character,  and  geologic  relations  of  a  deposit  of  manganese,  and  dis- 
cusses its  origin. 
Wieland(G.  R.). 
1.  A  study   of  some    American  fossil  Cycads.     Part  IV.  On  the  microsporangiate 
fructification  of  Cycadeoidea. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  11,  pp.  423-436,  3  figs.,  1901. 
Continues  the  description  of  the  author's  studies  of  the  fructification  of  Cycadeoidea,  which 
appeared  in  the  American  Journal  of  Science  for  March,  1899. 
2.  Notes  on  the  Cretaceous  turtles,  Toxochelys  and  Archelon,  with  a  classification  of 
the  marine  Testudinata. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  14,  pp.  95-108,  2  figs.,  1£02. 
3.  Notes  on  the  marine  turtle  Archelon:  1,  on  the  structure  of  the  carapace;  2,  asso- 
ciated fossils. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  15,  pp.  211-216,  1  fig.,  1903. 
Describes  the  rib  series  of  Archelon  ischyros  from  new  material. 
4.  Polar  climate  in  time  the  major  factor  in  the  evolution  of  plants  and  animals. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  16,  pp.  401-430,  1903. 
5.  Extent  and  progress  of  cycad  investigation. 
Science,  new  ser.,  vol.  17,  pp.  352-353,  1903. 
6.  Structure  of  the  upper  Cretaceous  turtles  of  New  Jersey :  Adocus,  Osteopygis,  and 
Propleura. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  17,  pp.  112-132, 9  pis.,  7  figs.,  1904. 
7.  Structure  of  the  upper  Cretaceous  turtles  of  New  Jersey:  Lytoloma. 
Am.  .Jour.  Sci.,  4th  ser.,  vol.  18,  pp.  183-196,  4  pis.,  6  figs.,  1904. 
8.  The  proembryo  of  the  Bennettitese. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  18,  pp.  115-447,  1  pi.,  1904. 
9.  On  the  foliage  of  the  Jurassic  cycads  of  the  genus  Cycadella. 
U.  S.  Geol.  Surv.,  Mon.,  vol.  48,  pp.  198-203,1905. 
10.  Jurassic  cycads  from  the  Black  Hills.     Field  notes. 
U.  S.  Geol.  Surv.,  Mon.,  vol.  48,  pp.  205-207,  1905. 
11.  Notes  on  the  stratigraphy  and  paleontology  of  the  Black  Hills  rim. 
U.  S.  Geol.  Surv.,  Mon.,  vol.  48,  pp.  317-326,  1905. 
12.  A  new  Niobrara  Taxochelys. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  20,  pp.  325-343,  9  figs.,  1905. 
13.  Structure  of  the  upper  Cretaceous  turtles  of  New  Jersey:  Agomphus. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  20,  pp.  430-444,  9  figs.,  1905. 
Wig-more  (H.  L.). 
1.  Report  of  an  examination  of  the  coal  deposits  of  Polillo  Island,  P.  I. 
U.  S.  War  Dept.,  Bureau  of  Insular  Affairs,  Washington,  pp.  65-71,  1  map,  1905. 
2.  Report  of  examination  of  coal  deposits  on  the  Batan  military  reservation,  Batan 
Island,  P.  I. 
U.  S.  War  Dept.,  Bureau  of  Insular  Affairs,  Washington,  pp.  1-33,  1905. 
Wilcox  (Walter  D.). 
1.  Recent  exploration  in  the  Canadian  Rockies. 
Nat.  Geog.  Mag.,  vol.  13,  pp.  151-168,  13  figs.,  pp.  185-200,  9  figs.,  1902. 
Contains  notes  on  the  physiography  of  the  region. 
Wilder  (Frank  A.). 
1.  The  lignite  deposits  of  North  Dakota. 
Eng.  &  Mg.  Jour.,  vol.  74,  pp.  674-675,  3  figs.,  1902. 
