112 Bulletin 1, Biological Society of Washingtoji, 1918. 

 BIBLIOGRAPHY. 



The following references have been used in the preparation of 

 the index. In addition, as many place names as possible have been 

 gleaned from publications mentioned in the bibliographies included 

 in the Sketch of the Natural History: 



Bacon-Foster, Corra. 



Early Chapters in the Development of the Potomac Route to the 

 West. 



Records Columbia Hist. Soc. 15, 1912, pp. 96-322, Pis. 7-20. 



Baker, Marcus. 



The Boundary Monuments of the District of Columbia. 



Records of the Columbia Historical Society 1, pp. 215-224, May 11, 

 1897. 



Set in 1791-2 by Major Andrew Ellicott. 



Bryan, W. B. 



Bibliography of the District of Columbia being a list of books, 

 maps, and newspapers, including articles in magazines and other 

 publications to 1898. 211 pp. Washington, Govt. Printing Office, 

 1900. 



A history of the National Capital from its foundation through the 

 period of the adoption of the Organic Act I, 1790-1814. 1914, 669 

 pp., 4 maps, 2 pis. 



Has much on early ownership of land now the District of 

 Columbia. 



Busey, S. C. 



Picture of the City of Washington in the Past. 1898, 384 pp. 



Contains among other things notes on old homes and seats in the 

 vicinity which explains many place names now in use. 



Casselman, A. B. 



The Virginia Portion of the District of Columbia. 

 Rec. Columbia Hist. Soc. 12, 1909, pp. 115-141, 1 map. 

 The retrocession from various points of view. 



