296 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Hartford limestone, Carboniferous, Kansas : 
Wooster, 2636. 
Ilartland (Iloosac) schist, Connecticut : 
Grego^, 1034. 
Ilartland schist, Connecticut : Gregory 
and Robinson, 1038. 
Hartshorne sandstone, Carboniferous, Ar- 
kansas : Collier, 556. 
Harvard conglomerate, Massachusetts : 
Mansfield, 1674. 
Hastings phase of Grenville series, pre- 
Cambrian : Adams et al., 13. 
Hatch shale and flags, Devonian, New 
York : Luther, 1634. 
Ilatchetigbee formation. Eocene, Alabama : 
Smith, 2229. 
Hawkins formation, pre-Tertiary, Wash- 
ington : Smith and Calkins, 2240. 
Hayes River beds, Alaska : Brooks, 313. 
Hebron gneiss, Connecticut : Gregory, 1034 ; 
Gregory and Robinson, 1038. 
Helderberg formation, Devonian, Maryland : 
Clark and Mathews, 488. 
Helderberg limestone, Silurian, West Vir- 
ginia : Grimsley, 1044. 
Helen formation, Canada : Bell, 189. 
Helen iron formation, Ontario : Coleman, 
541 ; Moore, 1770. 
Helena formation, Algonkian, Montana : 
Walcott, 2470. 
Helena limestone, Algonkian, Montana : 
Barrell, 149. 
Hell Creek beds, Cretaceous, Montana : 
Brown, 325. 
Henderson granite, Archean, North Caro- 
lina and South Carolina : Keith, 1353. 
Henrietta limestone, Pennsylvanian, Mis- 
souri : Shepard, 2194. 
Henson tuff, Colorado : Cross et al., 607. 
Hermosa formation, Carboniferous (Penn- 
sylvanian), Colorado: Cross et al., 607. 
Herod gravels, Pleistocene, New England : 
Fuller. 913. 
Ilertha limestone, Carboniferous, Kansas : 
Beede and Rogers, 181 ; Wooster, 2636. 
Hesse quartzite, Cambrian, Tennessee : 
Keith, 1354. 
Highbridge, Ordovician, Kentucky : Miller, 
1748. 
High Falls shale, Silurian, New York : Gra- 
bau, 991 ; Ilartnagel, 1084. 
High Point sandstone, Devonian, New 
York : Luther, 1634. 
High Point sandstones, New York : Jones, 
1318. 
Hignite formation, Carboniferous, Ken- 
tucky : Ashley and Glenn, 77. 
Hilliard formation, Cretaceous, Wyoming : 
Schultz, 2151. 
Iliwassee slate, Cambrian, North Carolina: 
Keith, 1352. 
Iliwassee slate, Cambrian, Tennessee : 
Keith, 1354. 
Holstston formation, Ordovician, Virginia: 
Bassler, 158. 
Ilomewood sandstone. Carboniferous, Penn- 
sylvania: Butts, 368. 
Ilomewood sandstone, Carboniferous, Penn- 
sylvania, Ohio, and West Virginia : Gris- 
wold and Munn, 1048. 
Ilonaker limestone, Cambrian, Tennessee : 
Keith, 1354. 
Ilonaker limestone, Cambrian, Virginia : 
Bassler, 158. 
Iloosac schist, Connecticut: Gregory, 1C34. 
Hopkinton formation, Silurian, Iowa : Cal- 
vin, 38-7; Norton, 1805; Savage, 2128. 
Hopkinton stage, Silurian, Iowa : Beyer and 
Williams, 234. 
Hornerstown, Cretaceous, New Jersey : 
Clark, 483. 
Hornerstown marl, Cretaceous, New Jersey : 
Weller, 2520. 
Hornsboro sandstone, Jura-Triassic, South 
Carolina : Sloan, 2218. 
Horsefly gravels, Tertiary, Yukon Territory : 
1 5 rooks, 313. 
Hosselkus limestone, Triassic, California : 
Diller, 721. 
Howard limestone, Carboniferous, Kansas : 
Wooster, 2636. 
Howson andesite, Tertiary, Washington : 
Smith and Calkins, 2240. 
Hudson River slates, Ordovician, New 
York : Berkey, 207. 
Hudson schist, Cambro-Ordovician, Con- 
necticut : Hobbs, 1185. 
Ilueco limestone, Carboniferous, New 
Mexico: Keyes, 1377. 
Humphrey shales, Carboniferous, Kansas : 
Wooster, 2636. 
Hunker series, Yukon Territory : Brooks, 
313. 
Huron group, Mississippian, Indiana : 
Blatchley, 246. 
Huronian, lower, series, pre-Cambrian, On- 
tario : Silver, 2212. 
Huronian sediments, pre-Cambrian, On- 
tario : Coleman, 539. 
Ida bo Springs formation, pre-Cambrian, 
Colorado : Ball, 118. 
Ignacio quartzite, Cambrian, Colorado : 
Cross et al., 607. 
Illinoian, Quaternary, Iowa : Calvin, 387. 
Independence limestone, Carboniferous, 
Kansas : Wooster, 2636. 
Independence sub-stage, Devonian, Iowa : 
Norton, 1805. 
Indian Fields formation, Silurian, Ken- 
tucky : Foerste, 883, 884. 
Indian River series, Yukon Territory : 
Brooks, 313. 
Inwood limestone, pre-Cambrian, New York : 
Berkey, 207. 
Iola limestone, Pennsylvanian, Kansas : 
Beede and Rogers, 181 ; Schrader and 
Haworth, 2144. 
Iola (Earl ton) limestone, Carboniferous, 
Kansas: Wooster, 2636. 
lone formation, Tertiary, California : Dil- 
ler, 721. 
