62 Introduction 



1894 



Williams, George H. Sixth annual excursion of the Geological De- 

 partment, May 29-June 5, 1893. 



Johns Hopkins Univ. Cir., No. 109, vol. xiii, 1894, pp. 26, 27. 



Clark, William Bullock. The Climatology and Physical Features 

 of Maryland. 



First Biennial Report Md. State Weather Service, 1894, pp. 35, 36. 



Hall, James, and Clarke, John M. An introduction to the study of 

 the Braehiopoda intended as a hand-book for the use of students. Part ii. 



13th Ann. Rept. State Geologist [New York] for the year 1893, 1894, pp. 749- 

 944, plates xxiii-liv. 



47th Ann. Rept. New York State Mus. Nat. Hist., 1894, contained the above 

 text on pp. 943-1138, but not the plates. 



. Paleontology, vol. viii. An introduction to the study of the 



genera of Palaeozoic Braehiopoda. Part ii. 



Geol. Survey of New York, Albany, 1894, 4to, 394 + xvi pp., 21-84 plates. 



1896 

 Barton, N". H., and Taff, Joseph A. Piedmont Folio, W^est Virginia, 

 and Maryland. 



U. S. Geol. Survey, Geol. Atlas, folio 28, Washington, 1896. 



1897 



Mathews, Edward B. Bibliography and Cartography of Maryland in- 

 cluding publications relating to the physiography, geology, and mineral 

 resources. 



Md. Geol. Survey, vol. i, pt. iv, pp. 229-402, Baltimore, 1897. 



ScHUCHERT, Charles. A synopsis of American fossil Braehiopoda 

 including bibliography and synonymy. 



Bull. U. S. Geol. Surv., No. 87, Washington, 1897, 464 pp. 



Clark, Wm. Bullock. Historical sketch embracing an account of the 

 progress of investigation concerning the physical features and natural 

 resources of Maryland. 



Md. Geol. Survey, vol. i, pt. ii, pp. 43-138, Baltimore, 1897. 



. Outline of present knowledge of the physical features of 



Maryland embracing an account of the physiography, geology, and mineral 

 resources. 



Md. Geol. Survey, vol. i, pt. iii, pp. 139-229, with a geological map of Maryland. 



