•:eks.] 
PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1904. 169 
(jologic formations described — Continued. 
Lisburne formation, Devonian, Alaska, 
Schrader, 1. 
Littlehorn limestone, Carboniferous, Wyo- 
ming, Darton, 3. 
Lockatong, included in Newark, New Jersey, 
Knapp, 1. 
Lookout sandstone, Carboniferous, Georgia, 
McCallie, 2. 
Lorraine formation, urdovician, Indiana, 
Foerste, 3. 
Lost Gulch monzonite, pre-Cambrian, Ari- 
zona, Ransome, 3. 
Louisville limestone, Silurian, Indiana, 
Foerste, 3. 
I Loup Fork beds, Miocene, Montana, Doug- 
lass, 1. 
Loup Fork beds, Miocene, South Dakota, 
Matthew and Gidley, 1. 
Loup Fork series, Tertiary, Nebraska, Peter- 
son, 1. 
Loyalhanna limestone, Carboniferous, Penn- 
sylvania, Butts, 2. 
Madera diorite, pre-Cambrian, Arizona, Ran- 
some, 3. 
Magnesian formation, Wisconsin, Weidman, 3. 
Magpie dolomite, Permian, Oklahoma, 
Gould, 1. 
Maboning sandstone, Carboniferous, Penn- 
sylvania, Butts, 2. 
Maboning sandstone, Carboniferous, Penn- 
sylvania, Richardson, 1. 
Mahoning sandstone member of the Cone- 
maugh formation, Carboniferous, Pennsyl- 
vania, Campbell, 4. 
Malone formation, Jurassic, Texas, Richard- 
son, 2. 
Maltrata limestone, Cretaceous, Mexico, 
Hall (C. E.), 1. 
Manastash formation, Tertiary, Washington, 
Smith (G. O.), 1- 
Manitou limestone, Ordovician, Colorado, 
Darton, 3. 
Mansfield sandstone, Carboniferous, Indiana, 
Hopkins, 3. 
Maquoketa shales, Iowa, Beyer and Wil- 
liams, 2. 
Marcellus shale, Devonian, New York, Clarke 
and Luther, 1. 
Marion formation, Carboniferous, Kansas, 
Prosser and Beede, 1. 
Mark West andesite, Tertiary, California, 
Osmont, 1. 
Marshall, Carboniferous, Michigan, Greg- 
ory, 1. 
Marshalltown bed, Cretaceous, New Jersey, 
Kiimmel and Knapp, 1. 
Martin limestone, Devonian, Arizona, Ran- 
some, 1, 4. 
Matawan formation, Cretaceous, Atlantic 
coast region, Clark, 2. 
Matawan formation, Cretaceous, Maryland,. 
Delaware, and New Jersey, Clark, 1. 
Matawan formation, Cretaceous, New Jersey, 
Knapp, 2. 
Matfield shale, Carboniferous, Kansas, Pros- 
ser and Beede, 1. 
Geologic formations described — Continued. 
Mauch Chunk formation, Carboniferous, 
Pennsylvania, Butts, 2. 
Mauch Chunk formation, Carboniferous, 
Pennsylvania, Campbell, 4. 
Mauch Chunk shale, Carboniferous, Pennsyl- 
vania, Richardson, 1. 
Max Patch granite, Archean, North Carolina 
and Tennessee, Keith, 2. 
Maxville limestone, Carboniferous, Ohio, 
Orton and Peppel, 1. 
Medicine Lodge gypsum, Permian, Okla- 
homa, Gould, 1. 
Meguma series, Nova Scotia, Woodman, 1, 
2. 
Menominee series, Algonkian, Michigan, 
Bayley, 1. 
Menteth limestone, Devonian, New York, 
Clarke and Luther, 1. 
Mercer limestone, Carboniferous, Ohio, Orton 
and Peppel, 1. 
Mercer shale, Carboniferous, Pennsylvania, 
Butts, 2. 
Merchantville clay, Cretaceous, New Jersey, 
Kiimmel and Knapp, 1. 
Merom sandstone, Carboniferous, Indiana, 
Hopkins, 3. 
Michigan group, Carboniferous, Michigan, 
Grimsley, 3. 
Michigan series, Carboniferous, Michigan, 
Gregory, 1. 
Middlesex In ick shale, Devonian, New York, 
Clarke a.yl Lather, 1. 
Millersburg formation, Carboniferous, In- 
diana, Fuller and Clapp, 1. 
Millsap limestone, Carboniferous (Mississip- 
pian), Colorado, Darton, 3. 
Minnekahta limestone, Carboniferous, Black 
Hills region and Wyoming, Darton, 3. 
Minnekahta limestone, Carboniferous, South 
Dakota, Darton and Smith, 1. 
Minnekahta limestone, Carboniferous, Wyo- 
ming and South Dakota, Darton, 1. 
Minnekahta limestone, Carboniferous (Per- 
mian), Black Hills region, Jaggar, 1. 
Minnelusa formation, Carboniferous, Black 
Hills region, Jaggar, 1. 
Minnelusa formation, Carboniferous (Penn- 
sylvanian?), Black Hills region, Darton, 3. 
Minnelusa sandstone, Carboniferous, South 
Dakota, Darton and Smith, 1. 
Minnelusa sandstone, Carboniferous, Wyo- 
ming, South Dakota, Darton, 1. 
Minnewaste limestone, Cretaceous, Black 
Hills region, Darton, 3. 
Minnewaste limestone, Cretaceous, South Da- 
kota, Darton and Smith, 1. 
Mitchell limestone, Mississippian, Indiana, 
Hopkins, 3. 
Moencopie shales, Utah, Huntington and 
Goldthvvait, 1. 
Monmouth formation, Cretaceous, Atlantic 
coast region, Clark, 2. 
Monongahela formation, Carboniferous, Penn- 
sylvania, Campbell, 4. 
Monongahela formation, Carboniferous, Penn- 
sylvania, Stone, 2. 
