98 INDEX TO NORTH AMERICAN GEOLOGY, PALEONTOLOGY, [mill. 189. 
Geologic formations described— Continued. 
Greenbrier formation, Clark, 912. 
Greenbrier formation, O'Harra, 4129. 
Greenbrier limestone, Campbell, 735. 
Greenbrier limestone, Darton, 1335. 
Greenfield bed, Emerson, 1674. 
Greenhorn formation, Gilbert, 2005. 
Greenhorn limestone, Hills, 2599. 
Greenleaf sandstone, Gould, 2073. 
Greggs Landing, Harris, 2313. 
Grenville-Hastings series, Ells, 1655. 
Grenville series, Adams and Barlow, 20, 21. 
Grenville series, Adams, Barlow and Ells, 22. 
Grenville series, Barlow, 243. 
Grenville series, Cushing, 1248. 
Grenville series, Dawson, 1426. 
Greyson shale, Walcott, 5815. 
Greyson shale, Weed, 5953. 
Groveland formation, Clements and Smyth, 
1017. 
Groveland formation, Van Hise, 5709. 
Guallava beds, Hill, 2557. 
Guelph dolomite, Clarke, 971. 
Guelph dolomite, Clarke and Schuchert, 965. 
Guertie sand, Taff, 5290. 
Gulf series, Hill and Vaughan, 2556. 
Gulf series, Vaughan, 5739. 
Gunnison formation, Cross, 1201. 
Gunnison formation, Spurr, 5174. 
Gwynedd shale, Lyman, 3616. 
Hamilton, Blatchley and Ashley, 496. 
Hamilton, Prosser, 4497. 
Hamilton, Ries, 4622, 4623. 
Hamilton, Western, Keyes and Rowley, 3119. 
Hamilton beds, Clarke, 971. 
Hamilton beds, Clarke and Schuchert, 965. 
Hamilton group, Bishop, 448. 
Hamilton group, Grabau, 2087. 
Hamilton group, Luther, 3602, 3603. 
Hamilton series, Prosser, 4473. 
Hamilton shale, Bishop, 80, 448. 
Hamilton shale, Grabau, 2085. 
Hamilton shale, Lincoln, 3512. 
Hampden diabase, Emerson, 1676. 
Hampshire formation, Clark, 912. 
Hampshire formation, Darton, 1335. 
Hampshire formation, O'Harra, 4129. 
Hancock limestone, Campbell, 740. 
Hannibal shale, Keyes and Rowley, 3058. 
Hannibal shale, Shepard, 4946. 
Harding sandstone, Gilbert, 2005. 
Hardistonville quartzite, Wolff and Brooks, 
6409, 6415. 
Harper's formation, Clark, 912. 
Harrison diorite, Merrill, 3936. 
Harrodsburg limestone, Hopkins and Sieben- 
thal, 2742. 
Hartselle sandstone, McCalley, 3818. 
Hartshorne sandstone, Taff, 5290. 
Hartshorne sandstone, Taff and Adams, 5295. 
Hastings series, Adams and Barlow, 20, 21. 
Hastings series, Adams, Barlow, and Ells, 22. 
Hastings series, Dawson, 1426. 
Hatchetigbee, Harris, 2313. 
Hawley schist, Emerson, 1676, 1677. 
Hay Creek coal formation, Ward, 5856. 
Hayes River beds, Spurr, 5184. 
Geologic formations described — Continued. 
Hazlet sand, Clark, 910, 915. 
Helderberg formation, O'Harra, 4129. 
Helderbergian, Clarke, 971. 
Helderbergian, Clarke and Schuchert, 965, 977. 
Helena limestone, Walcott, 5815. 
Hemlock formation, Clements, 1016. 
Hemlock formation, Clements and Smyth, 
1017. 
Henrietta limestone, Keyes, 3113, 3139, 3148. 
Henrietta limestone, Marbut. 3646, 3647, 3648, 
3649. 
Hermosa formation, Cross and Spencer, 1206. 
Highbridge limestone, Campbell, 736. 
Highwood syenite, Weed, 5945. 
Hill River moraine, Todd, 5435. 
Hinckley sandstone, Winchell, 6349. 
Hinsdale gneiss and limestone, Emerson, 
1677, 1678. 
Hinton formation, Campbell, 735. 
Holikunk series, Spurr, 5184. 
Holyoke diabase, Emerson, 1676. 
Honaker limestone, Campbell, 740. 
Hop Brook limestone, Emerson, 1678. 
Honaker limestone, Campbell, 735. 
Hoosac schist, Emerson, 1676, 1677, 1678. 
Hopewell formation, Ami, 110. 
Howard limestone, Haworth, 2375. 
Hudson River, Bell, 406. 
Hudson River, Blatchley and Ashley, 496. 
Hudson River, Marcou, 3663. 
Hudson River, Ries, 4622. 
Hudson River, Winchell and Ulrich, 6337. 
Hudson River beds, Clarke and Schuchert, 
977. 
Hudson River group, Luther, 3603. 
Hudson River shale, Cumings, 1220. 
Hudson shale, Dale, 1256. 
Hudson shale, Keyes, 3090. 
Huerfano beds, Osborn, 4193a, 4195, 4200. 
Huerfano formation, Smith, 5039. 
Humbug formation, Smith, 5032. 
Humbug series, Tower and Smith, 5445. 
Hunker series, McConnell, 3839. 
Huronian, Barlow, 253-. 
Huronian, Bell, 406. 
Huronian, Coleman, 1038, 1049. 
Huronian, Dawson, 1426. 
Huronian, Ells, 1658. 
Huronian, Nitze, 4107. 
Huronian, Nitze and Hanna, 4108. 
Huronian (Lower) series, Clements and Smyth, 
1017. 
Huronian series, Van Hise, 5709. 
Idaho formation, Lindgren, 3548. 
Illinoian drift, Calvin, 718. 
Illinoian drift, Campbell and Leverett, 742. 
Illinoian drift, Leverett, 3495. 
Illinoian till, Leverett, 3493, 3494. 
Illinoian till, Udden, 5517. 
Illinois stage, Calvin, 708. 
Independence limestone, Haworth, 2375. 
Independence shale, Calvin, 715. 
Independence shale, Norton, 4124. 
Indian River series, McConnell, 3839. 
Inwood limestone, Eckel, 1612. 
Inwood limestone, Merrill, 3936. 
