MARYLAND GEOLOGICAL SURVEY 51 



lishcd ou topographic base, prepared for Md. Gcol. Surv. by U. S. Geol. 

 Surv. 



25^ X 38-i, contour 20 feet, 8 colors and patterns, scale 1/G2,o00. 



]^EWTON., R. BuLLEN. List of Tliomas Say's types of Maryland 

 (U. S.) mollusca in the British Museum. 

 Geol. Mag., dec. iv, vol. ix. 1902, pp. 303-305. 



EiES, IIeinricii. Report on the Clays of Maryland. 

 Md. Geol. Surv., vol. iv, 1902, pp. 203-505. 



1903. 



Maryland Geological Survey in co-operation with U. S. Geological 

 Survey. Map of Calvert County showing the geological formations. 

 [Revised edition.] Published on topogi-aphic base, prepared for Md. Geol. 

 Surv. by U. S. Geol. Surv. 



25^ X 38^, contour 20 feet, 7 colors and patterns, scale 1/G2,500. 



Earlier edition appeared in 1902. 



1904. 



Bagg, Rufus M., Jr. Systematic paleontology of tlie Miocene de- 

 posits of Maryland : Foraminifera. 



Md. Geol. Surv., Miocene, pp. 460-483, plates cxxxi-cxxxiii, 1904. 



Boyer, C. S. Thallophyta-Diatomaceae. 



Md. Geol. Surv., Miocene, pp. 487-507, plates cxxxiv, cxxxv, 1904. 



Case, E. C. Mammalia, Aves, Reptilia. 



Md. Geol. Surv., Miocene, pp. 3-70, plates x-xxvii, 1904. 



Clark, William Bullock. The Miocene deposits of Maryland. In- 

 troduction and general stratigraphic relations. 

 Md. Geol. Surv., Miocene, pp. xxiii-xxxii, 1904. 



Echinodermata. 



Md. Geol. Surv., Miocene, pp. 430-433, plates cxix, cxx, 1904. 



Dall, W. H. The Relations of the Pliocene of ilaryhmd to tliat of 

 other regions and to the recent fauna. 



Md. Geol. Surv., Miocene, pp. cxxxix-clv, 1904. 

 Abstract: Science, new ser., vol. xix, pp. 502-503, 1904. 



Eastman, C. R. Pisces. 



Md. Geol. Surv., Miocene, pp. 71-93, plates xxviii-xxxii, 1904. 



