SHONKIN1  iv       $11  i  ki  an 
N  Bull  19,  p  20;  Bn'l  S3,  pp 
>       ..  M  Man  xxx>  •  :  p  108  104 
\nr   10,  i.  | 
i  and  alkali  determinations  in  erupt  -  Mon  xn, 
ate,  Analysis  of ,  from  California   -  Count}  '' 
alkalies  in.  estimation  <>i  Bull  9,  pp  . 
n  of  some  natural  Bull  167,  pp  I 
chen  ture  of  the  natural  Bull  00,  pj 
stitution  ol  Bull  125 
the  natural,  experiments  up*  Bull  *8,  pp  n  $8 
Bull 
bilitj  in  wi  ertain  natural  Bull  I07,pp  159  100 
I?  >olite  from  IV  Center  County,  description  of,  as  one  of 
the  education  Bull  150,  pp  i 
£  n  of,  rate  ol  \ 
tnation  of,     i   vegetation  of  hot  spring  \  tn9,p01S 
from  N  iption  of,  as  one  of  the  cdncat  Bull  150, 
nature  of  Vnn  9,  pp  <-  i 
\  .    ,1  \ 
m  Park  \ 
.  ol  \nn  9,  pp  (> 
iction  of  pluvsphorus     xy*     oridi    on   the  ethers  and  chlorhj 
drine*  ol  Bull  90,  pj 
Silieil M    n  xm,  pp  I  94;  Bull    I 
in  Colors;       \-    -  .  distrit  i  Mon  \  s  s 
processes  producing  \        s  m,  pp045 
Silici fled  shell,  description  of  ttv         -  Bull 
pp  in   116 
Sili<  :  iption  o(  the  Bull  150, 
pp  US  114 
v  Bull  25,  pp  IS 
Sillimanitc,  chemical  constitution  ol  Bull  125,  pp  15,  95,  101 
Sills  in  Black  Hills      .  Vnn  21,  m,  ) 
S<  i     ..-      '. 
Sills  and  flows,  disti  o(  Ann  IS,  n,pp  i 
Silt,  analyses  of,  from  Illinois.  ttalatia,  Greenup,  and  Mowoaqua 
analyses  of,  from  Indiana,  Perre  Haute  <.i 
\        ..!  WS  8 
Silt  and  sedimentation  as  related  ation  Vnn  IS,  m,  pp  130  132 
Siltn  ■        Ces  ce  I  aid  W  8  10,  pp  SO  11 
Silurian  faunas;  fishes  of  i  ppei  Silurian  M<  .,  wi.  pp 
Maine  Bull  105,  pp  n  54 
Nevada,  Kureka  dist  Mon  xi> 
pp  v  v.      w  "i    |t)2 
Silurian  fossils  o(  Nevada,  Kureks  Dist  \  .  . 
M<  n  v  in.  pp  i.  •  ■  ■•  Mon  xs 
paleontology  ol  Uaska,  notes  on  Ann 
Silurian  history  oi  Appalachian  region 
Silurian  rocks;  Amherst  foldspathit  v.  andConnei 
cut  Gl  50,  p  S 
Aroostook  limestone  of  Maine  Bull  105,  pp  14   15,  mi   145 
Lshland  shales  and  limestone  ol  Maine  Hull  105,  pp  ■■ 
Athens  shale  ol  North  Carolina,  [tamessec,  and  Virginia  Gl    1,  p  2; 
GF  10,  J 
