FOR    THE    YEARS    1901-1905,    INCLUSIVE.  303 
Shattuck  (George  Burbank  ) — Continued. 
:>.    Development  of  knowledge  concerning  the  physical   features  of   Cecil   County 
[Maryland],  with  bibliography. 
Mil.  Geol.  Surv..  Cecil  Co.,  pp.  31-62,  3  pis.,  3  tigs.,  1902. 
4.  The  physiography  of  Cecil  County  [Maryland]. 
Md.  Geol.  Surv.,  Cecil  Co.,  pp.  63-82,  4  pis.,  1  rig.,  1902. 
Discusses  topographic  features  and  their  origin. 
5.  The  geology  of  the  coastal  plain  formations  [of  Cecil  County,  Maryland]. 
Md.  Geol.  Surv.,  Cecil  Co.,  pp.  149-191.  5  pis..  4  figs.,  1902. 
Describes  the  character,  distribution,  and  history  of  geologic  formations  in  this  county  of 
Quaternary,  Tertiary,  and  Mesozoic  age. 
6.  The  Miocene  formation  of  Maryland. 
Abstract:  Science,  new  ser.,  vol.  15,  p.  906,  1902. 
7.  The  Pleistocene  problem  in  Maryland. 
Abstract:  Science,  new  ser.,  vol.  15,  pp.  906-907,  1902. 
8.  The  Mollusca  of  the  Buda  limestone,  with  an  appendix  on  the  corals  of  the  Buda 
limestone. 
U.  S.  Geol.  Surv.,  Bull.  no.  205,  94  pp.,  27  pis.,  1  rig.,  1903. 
Gives  a  short  account  of  the  geology  of  the  Buda  limestone  in  Texas  and  descriptions  of  the 
molluscan  fauna  found  therein. 
9.  Papers  read  before  the  Geological  Society  of  America. 
Science,  new  ser.,  vol.  19,  pp.  523-533,  1904. 
10.  The  Miocene  deposits  of  Maryland.    Geological  and  paleontological  relations,  with 
a  review  of  earlier  investigations. 
Md.  Geol.  Surv.,  Miocene,  pp.  xxxiii-cxxxvii,  9  pis..  1904. 
Gives  a  historical  review  of  investigations  upon  the  Maryland  Miocene  deposits  and  a  bibli- 
ography of  literature  relating  thereto,  and  describes  in  detail  the  character,  occurrence, 
relations,  etc.,  of  the  Miocene  formations  in  Maryland,  with  sections  of  strata  and  a  tabular 
list  of  fossils,  showing  geographic  and  geologic  distribution  and  range. 
Shattuck  (George  Burbank)  and  Miller  (Benjamin  Leroy). 
1.  Physiography  and  geology  of  the  Bahama  Islands. 
Baltimore  Geog.  Soc:  The  Bahama  Islands,  pp.  3-29,  9  pis.,  1905.  (New  York,  The  Macmillan 
Company,  1905.) 
Sneak  (W.  H.),  Blatchley  (W.  S.)  and. 
1.  Trenton  rock  petroleum. 
See  Blatchley  (W.  S.)  and  Sheak  (W.  H.),  1. 
Shedd  (S.). 
1.  The  iron  ores  of  Washington. 
Wash.  Geol.  Surv.,  vol.  1,  Ann.  Rept.  for  1901,  pp.  217-256,  4  pis.,  1902. 
Discusses  the  distribution,  genesis,  and  working  of  the  iron  ores  of  the  State  of  Washington, 
and  gives  chemical  analyses. 
2.  The  building  and  ornamental  stones  of  Washington. 
Wash.  Geol.  Surv.,  vol.  2,  Ann.  Rept.  for  1902,  pp.  1-163,  22  pis.,  1903. 
Discusses  physical  properties  required  in  building  stones,  and  describes  character,  occurrence, 
and  utilization  of  stone  deposits  of  Washington  suitable  for  building  and  decorative  pur- 
poses. 
Sheldon  (George)  and  (J.  M.  Arms). 
1.  Newly  exposed  geologic  features  within  the  old  "  8,000  Acre  Grant." 
New  York,  21  pp.,  12  pis.,  1903.     (Private  publication.) 
Describes  peculiar  structural  features  in  sand  and  clay  deposits  and  columnar  trap  formations, 
and  discusses  their  origin. 
Sheldon  (J.  M.  Arms). 
1.  Concretions  from  the  Champlain  clays  of  the  Connecticut  Valley. 
Boston,  1900.    45  pp.,  14  pis.     [Private  publication.]    Abstract:  Am.. Jour.  Sci.,  4th  ser.,  vol.  11, 
p.  397,  1901. 
Describes  the  occurrence,  character,  and  constitution  of  concretions  from  clay  beds  in  thy 
Connecticut  Valley,  and  discusses  their  origin. 
