FOR    THE    YEARS    1901-1905,  INCLUSIVE. 
523 
Geologic  formations  described — Continued. 
Mascarene  series,  Devonian,  Canada, 
Ells    (R.   W.),   17. 
Mason  shales,  Carboniferous,  West  Vir- 
ginia, White  (I.  C),  7. 
Matawan  formation,  Cretaceous,  Dar- 
ton   and   Keith.    1. 
Matawan  formation,  Upper  Cretaceous, 
Maryland,   Shattuck,  5. 
Matawan  formation,  Cretaceous,  New 
Jersey,   Berry,  5. 
Matawan  formation,  Cretaceous,  At- 
lantic coast  region,  Clark  (W.  B. ),  6. 
Matawan  formation,  Cretaceous,  Mary- 
land, Delaware,  and  New  Jersey, 
Clark   (W.  B.),  6. 
Matawan  formation,  Cretaceous,  New 
Jersey,  Knapp   (G.  N.),  2. 
Matawan  formation,  Cretaceous,  New 
Jersey,  Prather,  4. 
Matfleld  shales,  Carboniferous,  Kansas. 
Prosser,  7. 
Matfleld  shales,  Carboniferous,  Kansas, 
Adams,  Girty,  and  White,  1. 
Matlield  shale,  Carboniferous.  Kansas, 
Prosser  and  Beede,   1. 
Matfleld  formation,  Carboniferous, 
Kansas,  Beede  and  Sellards,  1. 
Mauch  Chunk  formation,  Carbonifer- 
ous, Maryland,  Prosser,  3. 
Mauch  Chunk,  Carboniferous,  Pennsyl- 
vania, Stevenson   (J.  J.),  1. 
Mauch  Chunk  formation,  Carbonifer- 
ous, Maryland,  Martin   (G.  C),  1. 
Mauch  Chunk  formation.  Carbonifer- 
ous, Pennsylvania,  Fuller   (M.  L.),3. 
Mauch  Chunk,  Lower  Carboniferous, 
Appalachian  region,  Stevenson  (J. 
J-),  4. 
Mauch  Chunk  formation,  Carbonifer- 
ous, Pennsylvania,  Campbell  (M.  R.i. 
6,  8,  IS. 
Mauch  Chunk  shale,  Carboniferous. 
Pennsylvania,  Fuller  and  Alden,  1,  2. 
Mauch  Chunk  formation,  Carbonifer- 
ous, Pennsylvania,  Butts,  4,  6,  7. 
Mauch  Chunk  shale,  Carboniferous. 
Pennsylvania,  Richardson   (G.  B.),  3. 
Mauch  Chunk  formation,  Carbonifer- 
ous, Pennsylvania,  Stone  (R.  W.), 
6,  7. 
Mauch  Chunk  formation,  Carbonifer- 
ous (Mississippian),  Pennsylvania, 
Woolsey,  3. 
Max  Patch  granite,  Archean,  North 
Carolina  and  Tennessee,  Keith,  9.  11. 
Maxville  limestone,  Carboniferous, 
Ohio,  Prosser,  10. 
Maxville  limestone,  Lower  Carbonifer- 
ous, Ohio,  Stevenson  (J.  J.),  4. 
Maxville  limestone,  Carboniferous, 
Ohio.  Orton  and  Peppel,  1. 
Maysville,  Ordovician,  Ohio,  Indiana, 
and  Kentucky,  Foerste,  12. 
Maysville  group,  Ordovician,  Kentucky, 
Nickles,  6. 
Geologic  formations  described — Continued. 
Meadvtlle  shales,  Carboniferous,  Penn- 
sylvania, Stevenson   (J.  J.),  4. 
Medicine  Lodge  gypsum,  Permian, 
Oklahoma,  Gould,  9. 
Medicine  Lodge  beds,  Carboniferous, 
Kansas,  Wooster,  1,  2. 
Medicine  Lodge  gypsum  member,  Car- 
boniferous (Permian),  Oklahoma, 
Gould,  14. 
Medina,  Silurian,  New  York,  Grabau.  1. 
Medina  shales,  Silurian,  Canada.  Ells 
(R.  W),  7. 
Medina  sandstone,  Silurian,  New  Jer- 
sey, Weller,  6. 
Medina  shales,  Silurian,  Ohio,  Prosser, 
10. 
Medina  formation,  Silurian,  Canada. 
Corkill.  2. 
Meguma  series,  Nova  Scotia.  Woodman. 
1,  2. 
Mellenia  series,  Tertiary.  California, 
Hershey,  10. 
Menominee  series,  Algonkian,  Michigan, 
Bayley,  1. 
Menteih  limestone,  Devonian,  New 
York,  Clarke  and  Luther,  1. 
Mentor  beds,  included  in  the  Dakota 
Cretaceous,  Kansas,  Jones   (A.YY.i.  1. 
Meramec  group,  Mississippian,  Missis- 
sippi Valley,  Ulrich,  8. 
Merced  series,  California,  Arnold  and 
Arnold,  1. 
Merced,  California,  Lawson  (A.  C. ) .  9. 
Mercer  group,  included  in  Pottsville, 
Carboniferous,  Pennsylvania,  White 
and  Campbell,  1. 
Mercer  group,  Carboniferous,  Appala- 
chian region,  White  (D.),  13. 
Mercer  limestone,  Carboniferous.  Ohio, 
Orton  and  Peppel,  1. 
Mercer  shale,  Carboniferous,  Pennsyl- 
vania, Butts,  4,  G. 
Mercer  (Tionesta)  limestone,  Carbon- 
iferous, Pennsylvania,  Clapp,  4. 
Merchantville  clay,  Cretaceous,  New 
Jersey,  Kiimmel  and  Knapp,  1. 
Merom  group,  Carboniferous,  Illinois, 
Ashley,  1. 
Merom  sandstone,  Carboniferous  (?), 
Indiana,  Newsom,  3. 
Merom  sandstone,  Carboniferous,  Indi- 
ana, Hopkins  (T.  C),  11. 
Mesa  Verde  formation,  Cretaceous,  Col- 
orado, Cross  and  Spencer,  1. 
Michigan  series,  Carboniferous,  Michi- 
gan, Russell.  G. 
Michigan   group.    Carboniferous.    Michi- 
gan, Grimsley,  6. 
'Michigan  series,   Carboniferous,   Michi- 
gan, Gregory   (W.  M.),  3. 
Michipicoten  schists,  Canada,  Bell  (J. 
M.),  3. 
Middlesex  shales,  Devonian,  New  York, 
Clarke.  19.  20. 
Middlesex  black  shale,  Devonian,  New 
York,  Clarke  and  Luther,  1. 
