BIBLIOGRAPHY OF W. B. CLARK 27 



[Systematic paleontology of the Eocene deposits of Maryland] : Mollusca, by 



W. B. Clark and G. C. Martin. Maryland Geological Survey, Eocene, 1901. 



pages 122-203. 

 [Systematic paleontology of the Eocene deposits of Maryland] : MoUuscoidea 

 (Brachiopoda), r]chinodermata, by W. B. Clark and G. C. Martin. Mary- 

 land Geological Survey, Eocene, 1901, pages 203-205, 232. 

 Geology of the Potomac group in the Middle Atlantic slope. Bulletin of the 



Geological Society of America, volume 13, 1902, pages 187-214. 

 The Potomac group in Maryland. Abstract, Science, new series, volume 15, 



1902, page 905. 

 Correlation of the coal measures of Maryland, by W. B. Clark and G. C. 



Martin. Bulletin of the Geological Society of America, volume 13, 1902, 



pages 215-232. 

 The Cretaceous-Eocene boundary in the Atlantic Coastal Plain. Abstract, 



Science, new series, volume 17, 1903, page 293. 

 The Matawan formation of Maryland, Delaware, and New Jersey, and its 



relations to overlying and underlying formations. American Journal of 



Science, series 4, volume 18, 1904, pages 435-440 ; Johns Hopkins University 



Circular, volume 23, 1904, pages 692-699. 

 The Miocene deposits of Maryland. Introduction and general stratigraphic 



relations. Maryland Geological Survey, Miocene, 1904, pages xxiii-xxxii, 



1 plate. ( 



lU-ief account of Maryland mineral resources and description of exhibit of 



Maryland mineral products in Mines and Metallurgy Building, St. Louis. 



1904 . . . Baltimore, 1904, 15 pages. 

 S.7stematic paleontology of the Miocene deposits of Marjdand : Echinodermata. 



Maryland Geological Survey, Miocene, 1904, pages 430-433, 

 Reports [to Legislature] of the State Geological and Economic Survey Com- 

 mission for the years 1904-1905, 1906-1907, 1908-1909, 1910-1911, 1912-1913. 



Baltimore, 1905-1913. 

 Origin, distribution, and uses of coal. Maryland Geological Survey, volume 5, 



1905, pages 221-240. 

 Correlation of the formations and members [of the Maryland coal district], 



by W. B. Clark and G. C. Martin. Maryland Geological Survey, volume 5, 



1905, pages 291-315. 

 Distribution and character of the Maryland coal beds, by W. B. Clark, G. C. 



Martin, and J. J. Rutledge. Maryland Geological Survey, volume 5, 1905, 



pages 317-512. 

 What should appear in the report of a State geologist? Economical Geology. 



volume 1, 1906, pages 489-498. 

 The Pleistocene fauna [of Maryland]. Maryland Geological Survey, Pliocene 



and Pleistocene, 1906, pages 139-148. 

 Systematic paleontology'- of the Pleistocene deposits of Maryland : Crustacea, 



Mollusca, Coelenterata, Protozoa. Maryland Geological Survey, Pliocene 



and Pleistocene, 1906, pages 172-210. 213-216. 

 The Pliocene and Pleistocene deposits of Maryland : the interpretation of the 



paleontological criteria, by W. B. Clark, Arthur HoUick, and Frederick 



Lucas. Maryland Geological Survey, Pliocene and Pleistocene, 1906. pages 



139-152. 



