warman.]  SCAPOLITES SCIOTO.  675 
Schist,  thin  section  of,  from  Massachusetts,  Mount  Prospect Mon  xxm,  p  145 
thin  section  of,  from  Massachusetts,  New  Ashford,  Quarry  Hill.  .Mon  xxm,  p  140 
from  Wisconsin,  Penokee  Gap  (actinolitic) Ann  10,  i,  pp  482-483 
T.  44  N.,  P.  3  W.,  sec.  14,  NW.  \,  Penokee  Gap  (actinolitic).. Mon  xix, 
pp  494-495 
T.  45  N.,  R.  1  E.,  sec.  19,  SE.  \  (green  and  conglomerate) Mon  xix, 
pp  482-483 
Schist  areas,  greenstone,  of  Menominee  and  Marquette  regions  of  Michigan,  a 
contribution  to  the  subject  of  dynamic  metamorphism  in 
eruptive  rocks Bull  62 
Schists,  crystalline,  of  Lake  Superior  region Ann  10,  i,  pp  355-364 
Schists,  metamorphic,  of  Penokee  iron-bearing  series,  origin  of Mon  xix, 
pp  107-111,  116-126 
Schistose  rocks,  relation  of,  to  massive  rocks  in  Wisconsin Ann  10,  i,  p  363 
Schistose  structure  in  relation  to  pressure Bull  59,  \  i  43 
Sehistosity.     (See  Metamorphism.) 
Schlotheim  (Ernst  Friedrich,  Baron  von),  biographic  sketch  of \me"),  pp  370-371 
Schneider  (E.  A.),  contribution  to  the  knowledge  of  colloidal  silver Bull  113, 
pp  102-108 
on  colloidal  sulphides  of  gold Bull  90,  pp  56-61 
on  preparation  of  a  pure  hydrosol  of  silver Bull  113.  pp  99   101 
on  some  organosols Bull  1 13,  pp  95-98 
Schneider  (E.  A.)  and  Clarke  (F.  W.)  experiments  upon  the  constitution  of 
certain  micas  and  chlorites Bull  1 13,  pp  27-33 
experiments  upon  the  constitution  of  the  natural  silicates Bull  78,  pp  11-33 
notes  on  action  of  ammonium  chloride  upon  silicates Bull  1 13,  pp  3 1  36 
notes  on  constitution  of  micas,  vermiculites,  and  chlorites Bull  90,  pp  11-21 
Schoharie  Creek,  New  York,  flow  of,  measurements  of WS  35,  pp  54  55 
Schoharie  formation  in  Indiana Ann  11,  i.  pp  634-635 
Schorlomite,  chemical  constitution  of Bull  1 25,  p  2 1 
occurrence  of MR  1883-84,  p  742 
Schrader  (F.  C),  Koyukuk  region,  Alaska,  notes  on Nome,  pp  55-56 
reconnaissance  along  Chandlar  and  Koyukuk  rivers,  Alaska Ann  21, 
n,  pp  441-486 
reconnaissance  of  part  of  Prince  William  Sound  and  Copper  River  district 
in  1898 Ann  20,  vn,  pp  341-423 
report  on  Prince  William  Sound  and  Copper  River  region Alaska  (2) , 
pp  51-63, 105-108 
Schrader  (F.  C. )  and  Brooks  (A.  H.),  preliminary  report  on  Cape  Nome  gold 
region,  Alaska,  with  maps  and  illustrations Nome 
Schrotterite,  chemical  constitution  of Bull  125,  pp  66, 104 
Schuchert  (C. ),  report  on  Paleozoic  fossils  from  Alaska Ann  17,  i,  pp  898-906 
synopsis  of  American  fossil  Brachiopoda,  including  bibliography  and  syn- 
onymy   Bull  87 
Schuyler  (J.  D.) ,  reservoirs  for  irrigation Ann  18,  iv,  pp  617-740 
water  storage  for  irrigation  on  Gila  River,  Arizona Ann  21,  iv,  pp  358-379 
Schuylkill  River,  flow  of,  measurements  of Ann  20, 
iv,  pp  48,  88,  96-97;  WS  35,  pp  74-75 
profile  of WS  44,  p  17 
Schwatka  (F. ),  exploration  of  Yukon  Valley,  etc.,  by Ann  12,  i,  p  62 
Scientific  investigation,  ' '  logical ' '  method  of Ann  18,  n,  pp  50-52 
Scioto  River,  drainage  system  of Ann  18,  iv,  pp  458-459 
flow  of,  measurements  of Ann  20,  iv,  pp  212-215 ; 
Ann  21,  iv,  pp  169-170;  WS  27,  pp  60,  65;  WS  36,  pp  176-177 
