36 PHYSIOGRAPHY AND GEOLOGY OF THE COASTAL PLAIX PROVINCE. 



Cope, E. D. The Cetacea. 



Amer. Nat., vol. xxiv, pp. 599-616, pis. 20-23. 



lu a list of extinct Cetacea of North America some forms from the Miocene of Virginia 

 are named. 



Shaler, Nathaniel S. General Account of the Fresh-water Morasses 

 of the United States, with a Description of the Dismal Swamp District of 

 Virginia and North Carolina. 



U. S. Geol. Survey, 10th Ann. Kept., pp. 255-339, pis. 6-19. \Yashington, 1S90. 

 Abstr., pp. 15-16. 



The geology, topography, and general character of the vegetation of the Dismal 

 Swamp are discussed in considerable detail. A list of 29 species of shells obtained from 

 the vicinity of the Jericho Canal are given of which 24 belong to living and 5 to extinct 

 species. The conclusion is reached that the fossiliferous beds beneath the swamp are 

 Pliocene in age. 



1891 



Dartox, N. H. Mesozoic and Cenozoic Formations of Eastern Virginia 

 and Maryland. 



Bull. Geol. Soc. Amer., vol. ii, pp. 431-450, pi. 16, 1891. 



The geographical distribution, characteristics and stratigraphic relations of the 

 Pamunkey (Eocene). Chesapeake ( Miocene i, and .\ppomattox ( Lafayette i formations in 

 Maryland and Virginia are discussed. 



Lindenkohl^ a. Notes on the Submarine Channel of the Hudson River 



and other Evidences of Post-Glacial Subsidence of the Middle Atlantic 



Coast Region. 



Amer. Jour. Sci., 3d ser., vol. xli, pp. 489-499, 18 pis. 1891. 

 The author describes the submerged channel of Chesapeake Bay. 



1891 



McGee, W J With the Collaboration of G. H. Williams, N. H. 

 Darton and B. Willis. 



The Geology of Washington and vicinity. Guide to Washington, prepared 

 for the International Cong. Geol., 5th session. Washington, 1891. 



Contains a general description of the physiography and the geological formations of 

 the Coastal Plain. 



■ ■ The Lafayette Formation. 



U. S. Geol. Survey, 12th Ann. Kept., pp. 347-521, 1891. 



The article embraces a general description of the physiography and geology of the 

 Coastal Plain and a detailed description of the lithologic characteristics of the Lafayette 

 formation, together with its geographical distrilmtion, its economic importance, and the 

 geologic history recorded in the formation. 



