FOR    THE    YEARS    1901-1905,  INCLUSIVE. 
527 
Geologic  formations  described — Continued. 
New     Scotland    beds,     Devonian,     New 
York,  Van  Ingen  and  Clark,  1. 
New     Scotland     beds,     Devonic,     New 
York,  Clarke,  20. 
New      Scotland      limestone,       Devonic, 
Maryland,  Schuchert,  7. 
New    Scotland   shales,    Devonian,    New 
York,  Grabau,  9. 
New  Scotland  beds,  New  York,  Shinier, 
5. 
Niagara   formation.  Silurian,  Maryland, 
Prosser,  3. 
Niagara    group,    Silurian,    Illinois,    Al- 
den,  1. 
Niagara    beds,    Silurian,    Indiana,    Kin- 
dle, 3. 
Niagara  group.  Silurian.   Indiana,  New- 
som,  3. 
Niagara    group,     Silurian,     New    York, 
Schneider,  1. 
Niagara  group,  Silurian,  Ohio,  Prosser, 
10. 
Niagara  limestone,  Ontario,  Parks,  4. 
Niagara   limestone,    Silurian,   Missouri. 
Gallaher,  1. 
Niagaran,   Ontaric,   New   York,   Clarke, 
20. 
Niagara  group,  Silurian,   Indiana.  Kin- 
dle, G. 
Niagara    limestone,    Silur-ian,    Indiana, 
Foerste,  11. 
Niagara,     Silurian,     New     Hampshire 
Hitchcock  (C.  II.),  10. 
Niagara     dolomite,     Silurian,     Illinois. 
Bain,  11. 
Niagara    formation,    Silurian,    Canada. 
Corkill,  -2. 
Niagara  formation,  Silurian,  Maryland, 
Uhler,  1. 
Niagara  limestone,  Silurian,   Iowa,  Ud- 
den  (Jon  A.),  1. 
Niagara   limestone,   Silurian,   Michigan, 
Russell,  23.  4.",. 
Niagara  series,  Silurian,  Iowa,   Savage, 
8. 
Nichols    slate,    Cambrian,    North    Caro- 
lina and  Tennessee,  Keith,  9,  11. 
Nikolai    greenstone,    Alaska,     Schrader 
and  Spencer,  1. 
Nikolai    greenstone,     probably    Carbon- 
iferous,     Alaska,      Mendenhall      and 
Schrader,  1. 
Nikolai        greenstone,        Carboniferous, 
Alaska,  Mendenhall,  8. 
Nineveh  sandstone,  Carboniferous,  West 
Virginia,  White  (I.  C),  7. 
Nineveh  limestone,  Carboniferous,  West 
Virginia,  White  (I.  C),  7. 
Niobrara  formation,   Cretaceous,   Black 
Hills,  Darton,  1,  8. 
Niobrara  formation.   Cretaceous,   North 
Dakota,  Babcock,  2. 
Niobrara    formation,    Cretaceous,    Colo- 
rado, Hatcher,  6. 
Niobrara    group,     Cretaceous,     Kansas, 
Lindgren,  8, 
Geologic  formations  described — Continued. 
Niobrara  formation,   Cretaceous,   South 
„  Dakota,  Todd  (J.  E.),  9-11,  15. 
Niobrara  formation,  Cretaceous,  Ne- 
braska, Barbour  (E.  II.),  8. 
Niobrara  formation.  Cretaceous,  South 
Dakota,  Todd  and  Hall,  1-3. 
Niobrara  formation,  Cretaceous,  Black 
Hills  region,  Wyoming  and  Colorado, 
Darton,  10,  18. 
Niobrara  formation,  Cretaceous,  South 
Dakota,  Darton  and  Smith,  1. 
Niobrara  formation.  Cretaceous,  Wyo- 
ming, Darton.  14. 
Niobrara  formation,  Cretaceous,  North 
Dakota,  Leonard,  4. 
Niobrara  formation.  Cretaceous,  Colo- 
rado, Fenneman,  10. 
Niobrara  formation.  Cretaceous,  Wyo- 
ming and  South  Dakota,  Darton  and 
OTIarra.  1. 
Niobrara  stage,  Cretaceous,  Wyoming, 
Trumbull,   1. 
Nipigon  series,  Canada,  Smith  (W.  N.), 
1. 
Nishnabotna  stage,  Cretaceous,  Iowa, 
Udden,  8. 
Noblesville  dolomite,  Silurian,  Indiana, 
Kindle,  6. 
Noel  shale,  Carboniferous,  Arkansas, 
Adams   (G.  I.),  15. 
Noel  shale,  Carboniferous,  Arkansas, 
Ulrieh,  5. 
Nogales  division,  Tertiary,  Arizona, 
Dumble.  7. 
Nolichucky  shale,  Cambrian,  Tennessee, 
Keith,  1,  9.  11. 
Nome  series,  Alaska,  Brooks  and  others, 
1. 
Nome  series,  Paleozoic  and  Mesozoic, 
Alaska,  Collier,  1. 
Norman  division,  Permian,  Oklahoma, 
Gould,  9. 
Normanskill  shale,  Champlainic,  New 
York,  Clarke,  20. 
Northbridge  gneiss,  Massachusetts, 
Perry  and  Emerson,  1. 
North  Haven  greenstones,  Maine,  Smith 
(G.  0.),2. 
North  View  sandstone  and  shale.  Car- 
boniferous, Missouri,  Weller,  1. 
Nulato  sandstone.  Alaska,  Schrader  and 
Spencer,  1. 
Nunda  formation,  Devonian,  Pennsyl- 
vania, Butts,  7. 
Nussbaum  formation,  Neocene,  Colo- 
rado, Hills,  1. 
Nuttall  sandstone,  Carboniferous,  West 
Virginia,  Campbell  (M.  R. ),  5. 
Nuttall  sandstone,  Carboniferous,  West 
Virginia,  White  (I.  C),  7. 
Oak  Grove  sands,  Tertiary,  Florida, 
Dall,  8. 
Oak  Grove  sands,  Tertiary,  Florida, 
Maury,  1. 
Oakland,  California,  Lawson  (A.  C),  9. 
