FOR    THE    YEARS    1901-1905,   INCLUSIVE.  251 
Nason  (Frank  L. ) — Continued. 
2.  The  geological  relatione  and  the  age  of  the  St.  Joseph  and  Potosi  limestones  of 
St.  Francois  County,  Missouri. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  12,  pp.  358-361,  1901. 
Describes  occurrence  of  a  conglomerate  between  the  two  formations  and  gives  a  columnar 
section. 
3.  The  origin  of  vein  cavities. 
Eng.  and  Mg.  Jour.,  vol.  71,  pp.  177-179,  209-210,  1901. 
Discusses  the  origin  of  these  vein  phenomena. 
4.  The  disseminated  lead  ores  of  southeast  Missouri. 
Eng.  and  Mg.  Jour.,  vol.  73,  pp.  478-480,  2  figs.,  1902. 
Describes  the  occurrence  and  origin  of  these  ores. 
5.  The  geological  relations  and  the  age  of  the  St.  Joseph  and  Potosi  limestones  of 
Missouri. 
Eng.  &  Mg.  Jour.,  vol.  73,  p.  861,  1902. 
Discusses  the  relations  of  these  beds. 
Nathorst  (A.  G.). 
1.  Bidrag  till  nordostra  Gronlands  geologi. 
Stockholm  Geol.  Foren.,  Forh.,  vol.  23,  pp.  275-305,  5  pis.,  1901. 
Describes  the  geology  of  northeastern  Greenland. 
Nattress  (Thomas). 
1.  The  Corniferous  exposure  in  Anderdon  [Ontario]. 
Ontario  Bureau  Mines,  Rept.  for  1902,  pp.  123-127,  1902. 
Gives  notes  on  the  distribution  of  the  Corniferous,  describes  the  geology  at  this  locality,  and 
gives  a  faunal  list, 
Nelson  (Aven). 
1.  Wilbur  Clinton  Knight. 
Science,  new  ser.,  vol.  18,  pp.  406  409,  1903. 
Gives  a  short  account  of  his  life  and  work,  and  a  chronologic  list  of  his  papers. 
Neumayer  (L.) . 
1.  Die  Koprolithen  des  Perms  von  Texas. 
Palaeontographica,  vol.  51,  pp.  121-128,  1  pi.,  1904. 
Describes  the  occurrence  and  character  of  coproliths  from  the  Permian  of  Texas. 
Nevius  (J.  Nelson). 
1.  Roofing  slate  quarries  of  Washington  County  [New  York]. 
N.  Y.  State  Mus.,  53d  Ann.  Rept.,  vol.  1,  pp.  rl35-rl50,  12  pis.,  1901. 
Describes  the  slates  of  the  various  quarries. 
2.  Emery  mines  of  Westchester  County  [New  York]. 
N.  Y.  State  Mus.,  53d  Ann.  Rept.,  vol.  1,  pp.  rl51-rl54,  4  pis.,  1901. 
3.  The  Sain  Alto  tin  deposits  [Mexico]. 
Eng.  &  Mg.  Jour.,  vol.  75,  p.  929,  1903. 
Describes  the  occurrence  of  tin. 
Newland  (David  H.). 
1.  The  serpentines  of  Manhattan  Island  and  vicinity  and  their  accompanying  minerals. 
School  of  Mines  Quart.,  vol.  22,  pp.  307-317,  399-410,  4  figs.,  1901. 
Describes  the  microscopic  and  chemical  characters  of  the  serpentines  and  the  minerals  asso- 
ciated with  them.    Discusses  origin  of  the  serpentines. 
2.  The  mining  and  quarry  industry  of  New  York  State.     Report  of  operations  and 
production  during  1904. 
N.  Y.  State  Mus.,  Bull.  93,  pp.  909-970,  1905. 
Newsom  (John  F. ). 
1.  Drainage  of  southern  Indiana. 
Jour.  Geol.,  vol.  10,  pp.  166-181,  6  pis.,  1902. 
Describes  the  drainage  features  of  this  region  that  are  dependent  upon  the  geologic  structure. 
