FOK    THE    YEARS    1901-1905,   INCLUSIVE.  305 
Shimek  (B.) — Continued. 
5.  The  loess  and  the  Lansing  man. 
Am.  Geol.,  vol.  32,  pp.  353-3G9,  1903. 
Discusses  the  character  of  the  fossil  shells  occurring  in  the  loess  and  their  bearing  upon  the 
question  of  the  origin  of  the  loess. 
6.  Living  plants  as  geological  factors. 
Iowa  Acad.  Sci.,  Proc.  for  1902,  vol.  10,  pp.  41-48,  12  pis.,  1903. 
Discusses  the  action  of  plants  in  the  disintegration  and  formation  of  deposits. 
7.  Fresh-water  shells  in  the  loess. 
Abstract:  Geol.  Soc.  Am.,  Bull.,  vol.  15,  p.  576.  1904;  Science,  new  ser.,  vol.  19,  p.  533,  1904;  Sci. 
Am.  SuppL,  vol.  57,  p.  23447,  1904. 
8.  Helicina  occulta  Say. 
Davenport  Acad.  Sci.,  Proc,  vol.  9,  pp.  173-180,  1904. 
Discusses  the  geographical  and  geological  distribution  of  this  mollusk,  which  occurs  in  a 
fossil  state  in  the  loess. 
9.  Papers  on  the  loess. 
Iowa  State  Univ.,  Lab.  Nat.  Hist.,  Bull.,  vol.  5,  pp.  298-381,  1904. 
Includes  the  five  following  papers. 
10.  The  loess  of  Natchez,  Miss. 
Iowa  State  Univ.,  Lab.  Nat.  Hist.,  Bull.,  vol.  5,  pp.  299-326,  7  pis..  190  . 
This  paper  appeared  in  the  American  Geologist,  vol.  30,  1902.    See  above. 
11.  The  loess  and  the  Lansing  man. 
Iowa  State  Univ.,  Lab.  Nat.  Hist.,  Bull.,  vol.  5,  pp.  327-346,  1904. 
This  paper  appeared  in  the  American  Geologist,  vol.  32,  1903.    See  above. 
12.  The  Lansing  deposit  not  loess. 
Iowa  State  Univ.,  Lab  Nat,  Hist.,  Bull.,  vol.  5,  pp.  346-352,  3  pis.,  1904. 
Discusses  the  characters  which  distinguish  loess  deposits,  and  their  bearing  upon  the  kind 
and  age  of  the  deposits  containing  the  Lansing  human  remains. 
13.  Loess  and  the  lowan  drift. 
Iowa  State  Univ.,  Lab.  Nat.  Hist.,  Bull.,  vol.  5,  pp.  352-368,  2  pis.,  1904. 
Discusses  the  position  of  loess  deposits  with  reference  to  drift  deposits,  and  the  bearing  of 
these  facts  upon  the  question  of  the  formation  of  the  loess,  and  points  out  the  stratigraphic 
position  of  various  loess  deposits. 
14.  Evidences  (?)  of  water-deposition  of  loess. 
Iowa  State  Univ.,  Lab.  Nat.  Hist.,  Bull.,  vol.  5,  pp.  369-381,  2  pis.,  1904. 
Discusses  the  evidences  advanced  for  the  theory  of  the  deposition  of  loess  by  water  action. 
15.  Additional  note  on  Helicina  occulta. 
Jour.  Geol.,  vol.  13,  pp.  232-237,  1905. 
Discusses  the  occurrence  of  this  shell  in  the  loess  and  the  evidence  it  gives  as  to  climatic 
conditions. 
Shinier  ( Hervey  Woodburn). 
1.  Petrographic  description  of  the  dikes  of  Grand  Isle,  Vermont. 
Vt.  Geol.  Surv.,  Rept.  State  Geol.,  Ill,  pp.  174-183,  1902;  Columbia  Univ.,  Geol.  Dept.,  Contr., 
vol.  10,  no.  87. 
Discusses  the  composition  and  occurrence  of  the  dikes  on  this  island. 
2.  [Report  of]  Fall  excursions  of  the  Geological  Department,  Columbia  University. 
Am.  Geol.,  vol.  31,  pp.  62-64,  1903. 
Contains  notes  on  the  geology  and  petrology  of  Manhattan  Island  and  localities  in  the 
vicinity  of  New  York  City. 
3.  [Field  work  at  Larrabee's  Point,  Vermont.] 
Am.  Geol.,  vol.  32,  pp.  130-131,  1903. 
4.  [Report  of]  Columbia  University  Geological  Department. 
Am.  Geol.,  vol.  32,  pp.  259-200,  1903. 
Describes  observations  in  northeastern  New  Jersey. 
Bull.  301—06 20 
