MajJiniig Soils and Alhih. 17 



into the Piedmont or into the Glacial areas, unless the character 

 of the material and its mode of formation as well as its agricul- 

 tural value are sensibly the same. For example, in 1902 the 

 name Alloway clay, -which was originally used in the Coastal 

 Plain, was approved for a soil having exactly the same texture 

 and precisely the same mode of formation in a river delta in one 

 of the Xew York areas within the limits of the drift. Also in 

 1903 several of the Coastal Plain soils, as, for example, the Norfolk 

 sand, Norfolk sandy loam, and Elkton clay, were recognized in 

 the valley of the Susquehanna River in Pennsylvania and in the 

 limestt^ne region of northern Kentucky, the materials being similar 

 to those found on the Atlantic Coastal Plain and, in fact, being 

 the same materials in their progress to the Coastal Plains region. 



The following are the principal series so far established: 



Galveston series. — The coastal beaches and marshes. 



Norfolk series. — Light-colored material, with yellow sand of 

 sandy clay subsoils, in the Coastal Plain. 



Portsmouth series. — Dark-colored material, with yellow mottled 

 gray sand or sandy clay subsoils, in the Coastal Plain. 



Orangeburg series. — Gray to red sand or loam with red sandy 

 clay subsoil, in the Coastal Plain.  



Houston series. — Gray or black calcareous prairies in the Coastal 

 Plain. 



Vernon series. — Red sand, loam, and clay, typical of the Permian 

 formation. 



Yazoo series. — Dark, silty soils of the flood plain of the Missis- 

 sippi River and its larger tributaries. 



Cecil series. — Gray to red sand or loam, with' l)righL-red clay 

 subsoil, derived from igneous or metamorphic rocks of the Pied- 

 mont Plateau. 



Penn series. — Dark Indian-red sand or loam, with loam or clay 

 subsoil of same color. Derived from red sandstone and shale of 

 the Piedmont Plateau. 



Porters series. — Gray to red sand to loam, with red clay subsoil, 

 derived from granitic rocks of the Appalachian Mountains. 



Be Kalb series. — Yellow sand and loam, with heavier subsoil of 

 the same color, derived from sandstone of the Appalachian Moun- 

 tain and Cumberland Plateau. 

 31896—04 2 



