weeks] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1894. 53 
260 Hayes (0. Willard). Ringgold folio. Georgia, Tennessee. 
U. S. Geol. Surv., Geologic Atlas of the United States, folio 2. 
Describes the geography and the occurrence and character of the 
Cambrian, Silurian, Devonian, and Carboniferous strata and the min- 
eral resources, including coal, iron, and the soils, of the region. 
Includes topographic, colored areal geologic, economic geologic, and 
structure section maps and a sheet of columnar sections. 
261 Kingston folio. Tennessee. 
U. S. Geol. Surv., Geologic Atlas of the United States, folio 4. 
Describes the geography and drainage, the occurrence and litho- 
logic character of the Cambrian, Silurian, Devonian, and Carboniferous 
strata, the geologic structure and the occurrence of coal, iron ores, and 
soils of the region. Includes topographic, colored areal geologic, 
economic geologic, and structure section maps and a sheet of columnar 
sections. 
262 Chattanooga folio. Tennessee. 
U. S. Geol, Surv., Geologic Atlas of the United States, folio 6. 
Describes the physiography, the occurrence and distribution of the 
Cambrian, Silurian, Devonian, and Carboniferous strata, the geologic 
structure, and the coal and iron deposits and soils of the region. 
Includes topographic, colored areal geologic, economic geologic, and 
structure section maps and a sheet of columnar sections. 
263 Sewanee folio. Tennessee. 
U. S. Geol. Surv., Geologic Atlas of the United States, folio 8. 
Describes the physiography and drainage of the region, the occur- 
rence and distribution of the Silurian, Devonian, and Carboniferous 
strata, the geologic structure and the minernl resources, including 
coal and iron. Contains topographic, colored areal geologic, economic 
geologic, and structure section maps and a sheet of columnar sections. 
264 and Campbell (M. R.). Geomorphology of the southern Ap- 
palachians. 
Nat. Geog. Mag., vol. vi, pp. 63-12G, pis. 4-6. 
Reviews the previous work in the region. Describes the several 
types of the deformed Cretaceous peneplain, the deformation of the 
Cretaceous and Tertiary peneplains, and the drainage development as 
affected by dynamic movements. Includes a discussion of the sedi- 
mentary record. 
265 Herrick (0. L.). Observations upon the so-called Waverly group 
of Ohio. 
Ohio Geol. Surv., vol. vii, pp. 495-515. 
Describes the character and distribution of the Waverly strata and 
gives list of fossils from different localities. 
266 Hershey (Oscar PI.). The Elk Horn Creek area of St. Peter sand- 
stone, in northwestern Illinois. 
Am. Geol., vol. xiv, pp. 169-179, with map. 
Describes the lithologic character of the Lower Magnesian limestone, 
the St. Peter sandstone, and the Trenton limestone in the area and the 
deformation they have undergone. Gives a general summary of the 
geologic features of the region. 
