Maryland Geological Survet 63 



1899 



Whitfield, E. P., assisted by Hovey, E. 0. Catalogue of the types 

 and figured specimens in the palaeontologieal collection of the Geological 

 Department, American Museum of Natural History. 



Bull. Am. Mus. Nat. Hist., vol. xi, pts. ii and iii, 1899, pp. 73-356. 



Abbe, Cleveland, Jr. A general report on the physiography of Mary- 

 land. 



Md. Weather Service, vol. i, pt. ii, pp. 39-217, Baltimore, 1899. 



1900 



Clarke, J. M., and Schuchert, Charles. The nomenclature of the 

 New York series of Geological Formations. 



Science, n. s., vol. xii, 1900, pp. 406-408. 



Eov^^E, E. B. The Paleodevonian Formations of Maryland. A Study 

 of their stratigraphy and faunas. 



Dissertation, Johns Hopkins University, 1900. 



O'Harra, Cleophas C. The geology of Allegany County. 

 Md. Geol. Survey, Allegany County, pp. 57-164, Baltimore, 1900. 



Maryland Geological Survey. Map of Allegany County showing the 

 geological fonnations and agricultural soils. 



Md. Geol. Survey, Physical Atlas of Maryland, 3 sheets, Baltimore, 1900. 



Schuchert, Charles. Lower Devonic aspect of the Lower Helderberg 

 and Oriskany formations. 



Bull. Geol. Soc. Amer., vol. ii, 1900, pp. 241-333. 



Dorsey, Clarence W. The soils of Allegany County. 



Md. Geol. Survey, Allegany County, pp. 195-217, Baltimore, 1900. 



1901 



Prosser, C. S. The Paleozoic formations of Allegany County, Mary- 

 land. 



Jour. Geol., vol. ix, 1901, pp. 409-430. 



Ulrich, E. 0., and Schuchert, Charles. Paleozoic seas and barriers 

 in eastern North America. 



New York State Mus., Bull. 52, 1902 (Rept. State Paleontologist 1901), pp. 

 633-664, 9 plates. 



55th Ann. Rept. N. Y. State Mus., 1903, pp. 633-664, 9 plates. 



