419 
Carboniferous — Continued. 
Great  Plain*  region — Continued. 
Fossil  plants  from  upper  Carbonifer- 
ous and  Permian  formations  of 
Kansas,  White  (D.),  10. 
Fossil  plants  of  Onaga,  Crevecceur,  1. 
Geology  and  underground  water  re- 
sources of  the  central  Great  Plains, 
Darton,  18. 
Geology  of  Lyon  County,  Smith  (A.  J.). 
3. 
Geology  of  the  Black  Hills,  Jaggar,  5. 
Gypsum  deposits  in  Oklahoma,  Gould, 
11. 
Hartville  folio,  Smith  (W.  S.  T.).  1. 
Invertebrate  fossils  from  Carbonifer- 
ous section  of  Kansas,  Girty,  4. 
Kansas  coal  mines  of  the  Missouri 
Valley,  Crane,  2. 
Names  of  coals  west  of  Mississippi 
River,  Keyes,  19. 
Newcastle  folio,  Darton,  14. 
New  fossils  from  Upper  Carboniferous 
of  Kansas,  Beede,  4. 
Oelrichs  folio,  Darton,  8. 
Oklahoma  salt  plains,  Gould,  303. 
Red  Beds  of  Black  Hills,  Richardson 
(G.  B.),  2. 
Report  of  State  geologist  of  Nebraska, 
Barbour  (E.  H.),  8. 
Southern  extension  of  the  Marion  and 
Wellington  formations,  Gould,  6. 
Stratigraphy  of.  Kansas  Permian, 
Beede  and  Sellards,  1. 
Sundance  folio,  Darton,  26. 
Variation   of   spiralia    in    Seminula   ar- 
gentia   (Shepard)   Hall,  Beede,  5,  7. 
Mexico. 
Geologia  de  Chiapas  y  Tabasco,  Bose,  7. 
Mississippi  Valley  region. 
Carboniferous  faunas  of  Mississippi 
Valley  in  the  Rocky  Mountain  re- 
gion, Keyes,  41. 
Carboniferous  fishes  from  central  west- 
ern States,  Eastman,  10. 
Carboniferous  formations  of  Humboldt, 
Iowa,  Sardeson,  11. 
Carboniferous  formations  of  the  Ozark 
uplift,  Ball,  1. 
Carboniferous  rock  system  of  eastern 
Kansas,  Wooster,  1. 
Coal  Measure  faunal  studies,  Beede 
and  Rogers,  1. 
Correlation  of  the  Clarinda  well  sec- 
tion, Keyes,  9. 
Correlation  of  the  Kinderbook  forma- 
tions, Weller.  1. 
Cottonwood  Falls  folio,  Prosser  and 
Beede,  1. 
Crinoidal  horizon  in  the  upper  Carbon- 
iferous, Keyes,  11. 
Cyclus  from  Coal  Measures,  Rogers,  3. 
Depositional  equivalent  of  hiatus  at 
base  of-  our  Coal  Measures,  Keyes,  18. 
Depositional  measure  of  unconformity, 
Keyes,  1, 
Carboniferous— Continued. 
Mississippi   Valley  region — Continued. 
Devonian  hiatus  in  continental  inte- 
rior. Keyes,  28. 
Devonian  interval  in  Missouri,  Keyes. 
20. 
Eastern  interior  coal  field,' Ashley,  1. 
Economic  geology  of  the  Iola  quad- 
rangle, Adams,  Ha  worth,  and  Crane, 
1. 
Fayetteville  folio,  Adams  and  Ulrich,  1. 
Fluorspar  deposits  of  southern  Illinois, 
Bain,  19. 
Foraminiferal  ooze  in  Coal  Measures  of 
Iowa.  Udden,  0. 
Formations  of  northern  Arkansas,  Ul- 
rich, 5. 
Geological  age  of  certain  gypsum  de- 
posits, Keyes,  24. 
Geological  formations  of  Iowa,  Calvin. 
4. 
Geological  section  across  northern  Illi- 
nois, Udden   (Johan  A.),  1. 
Geological  section  in  southern  Illinois. 
Nickles,   L.'. 
Geological  sectk  i,  St.  Louis  to  Shaw- 
neetown,  Nickles,  1. 
Geology  of  Benton  County,  Savage.  7. 
Geology  of  clays.  Beyer  and  Williams.  1.'. 
Geology  of  Emmet,  Palo  Alto,  and  Poca- 
hontas counties,  Macbride,  4. 
Geology  of  Henry  County,  Iowa.  Sav- 
age. 2. 
Geology  of  Illinois,  Rolfe,  1. 
Geology  of  Jasper  County.  Iowa.  Wil- 
liams  (I.  A.),  1. 
Geology  of  Jefferson  County,  Iowa,  Ud- 
den. .1. 
Geology  of  Louisa  County,  Iowa,  Ud- 
den, 2. 
Geology  of  Miller  County.  Ball  and 
Smith,    1. 
Geology  of  Mills  and  Fremont  counties. 
Iowa,  Udden,  S. 
Geology  of  Missouri,  Gallaher,   1. 
Geology  of  Moniteau  County,  Van  Horn, 
1. 
Geology  of  Monroe  County,  Iowa, 
Beyer  and  Young,  1. 
Geology  of  Marion  County,  Miller  (B. 
L.),  1. 
Geology  of  Page  County,  Iowa,  Calvin, 
1. 
Geology      of      Pottawattamie      County. 
*Iowa,  Udden,  3. 
Geology  of  Tama  County,  Iowa,  Savage, 
3. 
Geology  of  Wapello  County,  Leonard,  3. 
Geology  of  Webster  County,  Iowa, 
Wilder,  3. 
Hannibal  formation  in  Greene  County, 
Park  and  Lyman,  2. 
Kansas  coal  mining.  Crane,  1. 
Lead  and  zinc  deposits  of  Mississippi 
Valley,  Van  Hise  and  Bain,  1. 
Lead,  zinc,  and  fluorspar  deposits  of 
western  Kentucky,  Ulrich,  8. 
