226 



INDEX • 



Plum Point, 75, 77, 99. 



sections near, 88, 89. 

 Plum Point Marls, 75. 

 Point of Rocks, 58, 59, 71, 70, 80, 83, 



96, 102. 

 Point Patience, 157. 

 Port Republic, 59, 141. 

 Precipitation, discussed, 181. 

 Precipitation, at Solomons, 198. 

 Presson, Alfred, 177. 

 Prince Frederick, 21, 59, 84, 135, 141, 

 209, 210, 212. 



magnetic station at, 209. 



temperature and precipitation at, 



206. 



Quaternary clays, discussed, 125. 



Recent stage, 65. 

 Remsen, Ira, 5. 

 Rles, Helnrich, 51. 

 Rogers, W. B., 34, 41, 43. 

 Rousby, artesian well at, 134. 

 manufacture of brick at, 126. 



St. Leonard Creek, 60, 71, 79, 82, 95, 

 99, 208. 



drainage area of, 208. 



section near, 92. 

 St. Mary's City, 83. 

 St. Mary's formation, 83. 



areal distribution of, 83. 



character of materials of, 84. 



stratigraphic relations of, 84. 



strike, dip and thickness of, 84. 



sub-divisions of, 85. 

 Sands, discussed, 127. 

 Sassafras Loam, 154. 



mechanical analyses of, 156. 

 Sassafras Sandy Loam, 157. 



mechanical analyses of, 158. 

 Say, Thomas, 40. 

 Scharf, J. Thomas, 47. 

 Scott, Joseph, 39. 

 Scrub pine, 216. 

 Sedimentary record of Chesapeake 



Group, 106. 

 Sedimentary record of Columbia Group, 



107. 

 Sedimentary record of Nanjemoy for- 

 mation, 106. 

 Sellards, E. H., 53. 

 Shaler, N. S., 45. 



Shattuck, George B., 7, 17, 49, 50, 52, 



53, 67. 

 Silvester, R. W., 5. 

 Sioussat, St. George L., 50. 

 Slope timber, 213. 

 Smith, Anthony, 29. 

 Smith, John, 26, 39. 

 Smith map, 26. 

 Snowfall at Solomons, 203. 

 Soils, discussed, 135. 

 Soil types, 141. 

 Solomons, 21, 135, 207. 



advent of Spring at, 197. 



artesian well at, 134. 



climatology of, 182. 



duration of dry and wet periods at, 

 201. 



extremes of temperature at, 191. 



frequency and duration of cold 

 periods at, 195. 



means of maximum and minimum 

 temperature at, 191. 



precipitation at, 198. 



snowfall at, 203. 



temperature conditions at, 183. 



warm periods at, 192. 



winds and weather at, 204. 

 Sottorly, artesian well at, 134. 

 Springs, 132. 



Stratigraphic relations of Calvert for- 

 mation, 73. 



of Choptank formation, 81. 



of St. Mary's formation, 84. 



of Sunderland formation, 96. 



of Talbot formation, 103. 



of Wicomico formation, 101. 

 Stream bottoms, 214. 

 Strike, dip, and thickness of Calvert 

 formation, 72. 



of Choptank formation, 79. 



of St. Mary's formation, 84. 

 Structure of coastal plain, 61. 

 Structure and thickness of Sunderland 

 formation, 95. 



of Talbot formation, 102. 



of Wicomico formation. 100. 

 Sub-divisions of Calvert formation, 73. 



of Choptank formation, 81. 



of St. Mary's formation, 85. 

 Sunderland formation, 94. 



areal distribution of, 94. 



character of materials of, 96. 



local sections of, 98. 



stratigraphic relations of, 96. 



structure and thickness of, 95. 

 Sunderland stage, 62. 

 Susquehanna Gravel, 147. 

 Swamp land, 160. 

 Swartz, C. K., 7. 



