CONTENTS. 
PAGE. 
Soil formation . 49 
Rocks of the earth’s crust. 49 ' 
Igneous rocks . 49 
Secondary or sedimentary rocks. 50 
Disintegration of rocks. 52 
Changes of temperature. 52 
Frost and freezing.*. 53 
Wind . 53 
Water . 53 
Plants and animals. 55 
Accumulation of disintegrated material. 55 
Classification of soils. 56 
Residual soils. 56 
Residuo-sedimentary soils . 56 
Transported soils . 57 
Colluvial soils . 57 
Other terms descriptive of soils.... 58 
Soil names in use in the Bureau of Soils. 58 
Soil literature . 62 
Soil types in Florida. 63 
Pine lands. 63 
Rolling pine . 63 
\ Flatwoods . 66 
Palmetto flatwoods. 66 
Open flatwoods . 70 
Pine land of the Miami limestone. 71 
Hammock lands . 72 
Calcareous hammock . 72 
Clay hammock . 73 
Sand hills . 73 
Sand dunes. 74 
Scrub . 74 
Prairie and savanna.. 75 
Marsh and muck. 75 
The Everglades of Florida. 76 
Alluvial lands . 78 
Swamp lands . 79 
