70  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Cobb  (Collier). 
1.  Origin  of  the  sandhill  topography  of  the  Carolinas. 
Abstract:  Science,  new  ser.,  vol.  17,  pp.  226-227,  1903;  Sci.  Am.  Suppl.,  vol.  55, p.  22666,  1903. 
2.  Recent  changes  in  the  North  Carolina  coast,  with  special  reference  to  Hatteras 
Island. 
Abstract:  Science,  new  ser.,  vol.17,  p.  227,  1903;  Sci.  Am.  Suppl.,  vol.  55,  p.  22666,  1903. 
3.  A  new  Palaeotrochis  locality,  with  some  notes  on  the  nature  of  Paheotrochis. 
Elisha  Mitchell  Sci.  Soc,  Jour.,  vol.  20,  pp.  11-12,  1904. 
4.  The  forms  of  sand-dunes  as  influenced  by  neighboring  forests. 
Elisha  Mitchell  Sci.  Soc,  Jour.,  vol.  20,  p.  14,  1904. 
Cockerell  (T.  D.  A.). 
1.  A  new  fossil  Ashmunella. 
Nautilus,  vol.  16,  p.  105,  1903. 
2.  A  fossil  form  of  Orohelix  yavapai  Pilsbry. 
Nautilus,  vol.  19,  pp.  46-47,  1905. 
3.  Two  Carboniferous  genera. 
Am.  Geol.,  vol.  36,  p.  330,  1905. 
Calls  attention  to  two  generic  names  that  are  preoccupied. 
Cohen  (E.). 
1.  tJber  em  neues  Meteoreisen  von  Locust  Grove,  Henry  Co.,  Nord-Carolina,  Ver- 
einigte  Staaten. 
Preus.  Akad.  d.  Wissen.  zu  Berlin,  Sitzungsb.,  pp.  76-81,  1897. 
Describes  the  character  and  constitution  of  this  meteorite. 
2.  Das  Meteoreisen  von  Forsyth  Co.,  Georgia,  Vereiuigte  Staaten. 
Preus.  Akad.  d.  Wissen.  zu  Berlin,  Sitzungsb.,  pp.  386-396,  2  figs.,  1897. 
Describes  the  occurrence,  characters,  and  constitution  of  this  meteorite  from  Forsyth  County, 
Georgia. 
3.  Uber  das  Meteoreisen  von  Cincinnati,  Vereinigte  Staaten. 
Preus.  Akad.  d.  Wissen.  zu  Berlin,  Sitzungsb.,  pp.  428-430,  1898. 
Describes  the  characters  and  constitution  of  this  meteorite. 
4.  Meteoreisen-Studien.     XI. 
K.  k.  naturh.  Hofmuseums,  Ann.,  Bd.  15,  pp.  351-391,  1900. 
Describes  meteorites  from  Illinois  Gulch,  Mont.:  Hammond,  Wis.;  Cacaria,  Mex.;  Mesquital, 
Mex.;  Murphy,  N.  C;  Saint  Francois  County,  Mo.;  Cosby's  Creek,  Tenn.;  Canyon  Diablo, 
Ariz.;  Kendall  County,  Tex.,  and  Mount  Joy,  Pa. 
5.  Die  Meteoreisen  von  Ranchito  und  Casas  Grandes  [Mexico] . 
Mittheilungen  des  Naturwissenschaftlichen  Vereins  fur  Neu-Vorpommern  und  Kiigen  zu 
Greifswald,  Jahrg.  35,  13  pp.,  1903. 
Describes  occurrence,  characters,  and  composition  of  meteorites  from  Mexico. 
6.  Die  Meteoreisen  von  Nenntmannsdorf  und  Persimmon  Creek;  Unterscheidung 
von  Cohenit  und  Schreibersit. 
Mittheilungen  des  Naturwissenschaftlichen  Vereins  fur  Neu-Vorpommern  und  Kiigen  zu 
Greifswald,  Jahrg.  35,  4  pp.,  1903. 
Describes  occurrence  and  characters  of  a  meteorite  found  in  North  Carolina. 
7.  Das  Meteoreisen  von  Millers  Run  bei  Pittsburgh,  Alleghany  Co.,  Pennsylvania, 
Vereinigte  Staaten. 
Mittheilungen  des  Naturwissenschaftlichen  Vereins  fur  Neu-Vorpommern  und  Kiigen  zu 
Greifswald,  Jahrg.  35,  4  pp.,  1903. 
Describes  occurrence  and  characters  of  a  meteorite  from  Pennsylvania. 
8.  Ueber  die  Meteoreisen  von  Cuernavaca  und  Iredell. 
Mittheilungen  des  Naturwissenschaftlichen  Vereins  fur  Neu-Vorpommern  und  Rugen  zu 
Greifswald,  Jahrg.  34,  5  pp.,  1902. 
Describes  occurrence,  characters,  and  composition  of  meteorites  from  Mexico  and  Texas. 
Colburn  (J3.  A.). 
1.  A  peculiar  ore  deposit. 
Mg.  &  Sci.  Press,  vol.  88,  p.  196,  1904. 
Describes  the  occurrence,  character,  and  geologic  relations  of  ore  bodies. 
