518 



IXDEX 



D. 



Dall, W. H., 17, 35, 83, 92, 166, 167, 197. 



Dana, James D., 35. 



Darton, X. H., 30, 35, 40, 49, 57. 



Delaware, Eocene of, 49. 



Depth of sedimentation, 57. 



Distribution of species in Aquia for- 

 mation, 74, 76, 78, 80. 



Distribution of species in Eocene, 75, 

 77, 79, 81. 



Distribution of species in Xanjemoy 

 formation, 75, 77, 79, 81. 



Distribution of species, 73. 



Distribution of strata, 49. 



Ducatel, J. T., 28, 36. 



E. 



Eastman, Charles E., 16, 93. 



Ehrenberg, C. G., 56. 



Eocene deposits, composition of, 52. 



Eocene deposits correlated within 

 Middle Atlantic Slope, 82. 



Eocene deposits, general character 

 of, 23, 52. 



Eocene deposits, general distribution 

 of, 75. 



Eocene deposits, origin of, 54. 



Eocene deposits, strike and dip of, 53. 



Eocene deposits, thickness of, 54, 90. 



Eocene foraminifera, 31. 



Eocene formations correlated with 

 Gulf states, 83. 



Eocene, first use in America. 27. 



Eocene of Middle Atlantic Slope, de- 

 scription of, 46. 



Eocene strata, distribution of, 49. 



Eolignitic, 37. 



Eiiropean equivalents, 91. 



Evergreen, Va., fossils from, 174. 232. 



Faunal stages, table showing, 58. 



Featherstonhaugh, G. W., 36. 



Finch, John, 25, 36. 



Fireman, Peter, analyses by, 53. 



Fontaine, W. M., 36. " 



Formations, table showing, 58. 



Formations and faunal stages, 58. 



Fort Washington. 27, 31, 33. 



Fort "Washington, fossils from, 74, 76, 

 78, 80, 104-106, 138, 148, 149, 151, 

 152, 161, 162, 166. 167, 170, 172, 179, 

 • 181, 185, 186, 191, 192, 197. 



Fossils of Paspotansa substage, 63. 

 Fossils of Piscataway siibstag'e, 61. 

 Fossils of Potapaco substage, 65. 

 Fossils of Woodstock substage, 66. 

 Fredericktown, fossils from, 74, 76, 78, 

 80, 172, 178, 193, 197. 



G. 



General stratigraphic relations, 44. 

 Geog'raphical distribution of species, 



73. 

 Geological criteria, 89. 

 Geological distribution of species, 73. 

 Geological divisions, 15. 

 Gilman, Daniel C, 5. 

 Glj^mont, 61. 

 Glymont, fossils from, 74, 76, 78, 80, 



107, 148, 149, 151, 152, 162, 163, 165, 



170, 172, 176, 181, 182, 186, 191, 193, 



197. 

 Glymont, section at, 68. 

 Greensand, origin of, 55. 

 Greg'gs Landing substage, 84. 

 Grimesville, fossils from, 74, 76, 78, 80, 



170, 172, 192. 

 Gulf province, distribution in, 75. 



H. 



Hanover county, Ya., fossils from, 18S. 

 Hardestj^ fossils from, 74, 76, 78, 80. 



141, 148, 151, 162, 170, 172, 178, 182, 



191, 195, 197. 

 Harris, G. D., 17^ 30, 37, 75, 77, 79, 133, 



166, 167, 197. 

 Harrisons Landing', fossils from, 74, 



76, 78, SO, 172. ^ 

 Hatchetigbee substage, 84. 

 Hayden, H. H., 25, 37. 

 Heilprin, A., 37, 91. 

 Heinrich, O. J., 38. 

 Hering, Joshua W., 5. 

 Higgins, James, 30, 38. 

 Hilgard, E. W., 48. 

 Hills Bridge, fossils from, 75. 77, 79, 



81, 160, 165, 194. 

 Historical review, 24. 

 Hollick, Arthur, 16, 93. 

 Hotchkiss, Jed., 38. 

 Hunter, H. C, 17. 



I. 



Hlustrations, List of, 13. 

 Introduction, 21. 

 Iterson, F. von, 17. 



