174 FLORIDA GEOLOGICAL SURVEY—FOURTH ANNUAL REPORT. 
Q- 
Quincy, wells at. 128 
R. 
Ramsey, Sir William, cited. 42 
Red Oak, wells at. 148 
Relative abundance of essential plant elements. 41 
Residual soils. 56 
Residuo-sedimentary soils. 56 
Robinson Point Milling Company, wells of... 106 
Robinson Point, wells at.. . 106 
Rock Springs, exposure at. 15 
Rocks, disentegration of. 52 
Rocks of the earth’s crust. .... 49 
Roper, George A., analysis by. 98 
Rose, R. E., cited.'.. 65, 69 
&. 
St. Augustine, depth of Vicksburg limestone at. . . . 12 
St. Marks, limestone at.\ . .. 13 
St. Vincent Island, wells on. 132 
Sale-Davis Company, well of. 117 
Sand dunes. 74 
Sand hills. 73 
Sndstones, origin of... . . 50 
Sanford, depth of Vicksburg limestone at.. 12 
Sanford, Samuel, cited....*. 25 
Santa Rosa County... 101 
Savanna . 75 
Scrub . 74 
Seaboard Air Line Railway, elevations from profile of. 126 
well of. 138 
•Secondary or sedimentary rocks. 50 
Sellards, E. H., papers by.7, 87, 157, 161 
Sessoms-White Lumber Company well of. 112 
Shales origin of. 50 
Simians, wells at. :... 149 
Smith, E. A., cited. ....: . 19. 114 
Soils, color of.;. 35 
definition of.•.. 39 
plant food taken from. 42 
influence of drainage on. 35 
classification of. 56 
Soil analysis....65, 69, 71 
Soil formation. 49 
Soil literature. 62 
Soil types in Florida. 63 
Southern States Lumber Company, wells of.. ..... 95, 96 
Sorey, W., well of... 122 
.Southport Lumber Company, well of. 116 
Southport, wells at. 116 
Stallings, Z. T., well of..... 121 
State Chemist, analyses of water by.122, 141, 148. 152 
State Hospital for the Insane, well at. 128 
State Reform School, well at. 122 
Stearns-Culver Lumber Company, wells of. 104 
Strickland, W. N., well of. 141 
Surface sands of Florida, origin of... 22 
Sulphur, relative abundance in the earth’s crust.. 44 
Sutter and LeGallais, wells drilled by. 95 
Suwannee River, exposures on. 11 
