40 PHYSIOCxRAPHY AND GEOLOGY OF THE COASTAL PLAIN PROVIXCE. 



jSTomini Folio, Maryland- Virginia. 



U. S. Geol. Survey, Geol. Atlas of U. S., Folio No. 23, 1896. 



The topography, geology, and economic resources of the Nomini quadrangle which 

 embraces a considerable portion of Westmoreland, Richmond, and Essex counties are dis- 

 cussed in the text and represented on maps drawn to the scale of 1 : 125.000. 



Fontaine, William M. The Potomac Formation in Virginia. 

 U. S. Geol. Survey, Bull. No. 145, 149 pp., 2 pis., 1896. 



The author describes in considerable detail all the principal exposures of the Potomac 

 deposits in Virginia. 



Vaughax^ T. Wayland. Coelenterata from the Eocene Deposits of 

 Delaware, Maryland, and Virginia. 



U. S. Geol. Survey, Bull. No. 141, pp. 89-91, 1896. 



The description of three species of corals from Aquia Creek and one from the 

 Pamunkey River in New Kent County are given. 



1897 



Aldricii^ T. H. Xotes on Eocene Molliisca, with Descriptions of new 

 species. 



Bull. Amor. Pal., vol. ii, No. 8, 26 pp., 5 pis., Ithaca, 1897. 



Crassatella decUvis Heilprin from Aquia Creek and Ringicula daUi Clark from Wood- 

 stock are figured. 



Clahk. W. B. Outline of Present Knowledge of the Physical Features 

 of Maryland, Embracing an Account of the Physiography, Geology, and 

 Mineral Kesources. 



Md. Geol. Survey, vol. i. pp. 141-228, pis. 6-13, 1897. 



Contains many references to the Coastal Plain deposits of Virginia. 



Clark, W. B. and Bibbins, A. The Stratigraphy of the Potomac 

 Group in Maryland. 



Jour. Geol., vol. v, pp. 479-506, 1897. 



A new classification of the Potomac deposits is proposed by which they are divided 

 into the Patuxent, Arundel, Patapsco, and Raritan formations on stratigraphic grounds. 

 The first two are doubtfully referred to the Jurassic, the last two to the Cretaceous. 



Watson, Tho]\ias L. A Bibliography of the Geological, Mineralogical 

 and Paleontological Literature of the State of Virginia. 



Bull. Amer. Pal., vol. ii. No. 7, 109 pp., 1897. 



Gives a list of journals consulted and a bibliography arranged alphabetically by 

 names of authors. 



1898 



Bagg, E. M. The Tertiary and Pleistocene Foraminifera of the ^fiddle 

 Atlantic Slope. 



Bull. Amer. Pal., vol. ii. No. 10, 68 pp., 3 pis., 1898. 



Fifty-six species of Eocene, Miocene, and Pleistocene foraminifera are described nnd 

 figured, of which many were obtained from the Virginia deposits. 



