FOR    THE    YEARS    1901-1905,   INCLUSIVE  249 
Morgan  (William  Conger). 
1.  The  origin  of  bitumen. 
Cal.  Jour.  Tech.,  vol.  4,  pp.  49-50,  1904;  Am.  Geol.,  vol.  35,  pp.  46-50,  1905. 
Discusses  various  theories  proposed  to  explain  the  origin  of  bitumen. 
Morgan  (William  Conger)  and  Tallmon  (Marion  Clover). 
1.  A  fossil  egg  from  Arizona. 
Cal.  Univ.,  Dept.  Geol.,  Bull.,  vol.  3,  pp.  403-410,  2  pis.,  1904. 
2.  A  peculiar  occurrence  of  bitumen  and  evidence  as  to  its  origin. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  18,  pp.  363-377,  2  pis.,  1904. 
Describes  the  occurrence,  mode  of  fossilization,  and  character  and  origin  of  the  mineralization 
of  a  fossil  egg  from  Arizona. 
Morg-anroth  (L.  C. ). 
1.  The  caves  of  Huntingdon  County,  Pennsylvania. 
Eng.  and  Mg.  Jour.,  vol.  71,  p.  664,  1901. 
Describes  the  character  of  the  caves. 
Morris  (Henry  G. ). 
1.  Hydro-thermal  activity  in  the  veins  at  Wedekind,  Nevada. 
Eng.  &  Mg.  Jour.,  vol.  76,  pp.  275-276,  ill  us.,  1903. 
Discusses  the  geologic  structure  and  the  origin  of  the  ores. 
Morscher  (L.  N.). 
1.  Corrading  action  of  river  water  during  high  floods. 
Kans.  Univ.  Geol.  Surv.,  Min.  Res.  for  1902,  pp.  82-97,  8  figs.,  1903. 
A  study  of  river  erosion  based  largely  upon  observations  made  upon  the  effects  of  the  Kansas 
River  flood  of  1903. 
Mosely  (E.  L.). 
1.  Submerged  valleys  in  Sandusky  Bay  [Ohio]. 
Nat.  Geog.  Mag.,  vol.  13,  pp.  398-403,  4  figs.,  1902. 
Discusses  the  character  and  occurrence  of  these  valleys  and  the  indications  that  the  tilting  of 
the  Great  Lakes  region  is  still  progressing. 
2.  Formation  of  Sandusky  Bay  and  Cedar  Point. 
Ohio  State  Acad.  Sci.,  Proc,  vol.  4,  pt.  5,  pp.  179-238,  9  figs.,  1905. 
Describes  changes  in  the  lake  shore  in  this  locality,  and  how  they  have  been  produced. 
Moses  (A.  J.). 
1.  Mineralogical  notes. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  12,  pp.  98-106,  6  figs.,  1901. 
Describes  crystallographic  characters  of  pectolite,  atacamite,  realgar,  vesuvianite,  chryso- 
beryl,  and  pyroxene. 
2.  Eglestonite,  terlinguaite,  and  montroydite,  new  mercury  minerals  from  Terlingua, 
Texas. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  16,  pp.  253-263,  6  figs.,  1903. 
Describes  crystallographic  and  other  characters  and  composition. 
3.  The  crystallization  of  molybdenite. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  17,  pp.  359-364,  4  figs.,  1904. 
Describes  crystallographic  measurements  of  material  from  several  sources. 
4.  Eglestonit,  Terlinguait  und  Montroydit,  neue  Quecksilbermineralien  von  Terlin- 
gua in  Texas. 
Zeitsch.  f.  Krystal.  u.  Min.,  Bd.  39,  pp.  3-13,  6  figs.,  1904. 
Describes  the  composition  and  crystallographic  characters  of  quicksilver  minerals  from 
Texas. 
5.  The  crystallization  of  luzonite,  and  other  crystallographic  studies. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  20,  pp.  277-284,  1905. 
Moses  (Alfred  J.)  and  Luquer  (Lea  McL). 
1.  Notes  on  recent  mineralogical  literature. 
School  of  Mines  Quart.,  vol.  23,  pp.  290-302,  1902. 
