MAKVI.WI) (iKOMHilCAL Sl'RVKY 43 



TioMi'N, M. 1 )isc(i\civ (if ;i cliaiiilici'i'd univalve fossil in \\\>- V.i>- 

 vvuv 'Tci'tiary nf .lames Kivci', \'ir<i,'inia. 



AnuT. .lour. Sci., noI. xliii, lH-12, p. 187. 



Tills article cDiitaliis sdiuc i-oiiclusloiis of tin' author ri'KanlJnn the slratl|,'rai>liy of tin- 

 Eoci'iic, based mi a section ex|iose(l in a shaft sunk at lOvergrcen on tbe'JaniOH Klver. 



TvtsoN, I'jiiMi- '\\ I'iisl ic|i()ii (if I'liilij) T. Tyson, State agricul- 

 tural chemist, to tlic House of Deleuates ol' .Marylami, .January, 180(1. 



Annapolis, 18G0, svo, xi, 14'>, and 20 pp. and one map. 



Tho author dosciilies the Tertiary rnnnaliuns cdlloctlvely, stating that the work Las 

 not profiresseil far onoush to separate ilie iMlTerent ilivisiens, although lie refers to the 

 Eocene Kreeiisand marl. 



— New topographical atlas of tlie State of Maryland, etc. 1873. 



This work contains a general statement regarding the geology of Maryland. Including 

 a description of the Eocene. 



Uhler, p. E. Observations on the Eocene Tertiary and its Creta- 

 ceous associates in the State of Maryland. 



Trans. Maryland x\cad. Sci., vol. i, 1888, pp. 10-32. 



— Additions to observations on the Cretaceous and Eocene for- 

 mations of Maryland. 



Trans. Maryland Acad. Sci., vol. i, 1889-1890, pp. 45-72. 



Notes and illustrations to ''' Observations on the Cretaceous 



and Eocene formations of Maryland." 



Trans. Maryland Acad. Sci., vol. i, 1890, pp. 97-104. 



The above articles contain an extensive description of the Eocene and a discussion 

 of its relations to the Cretaceous. 



Van Keksselaee, J. Lectures on geology, New York, 8°, 1825, 

 350 pp. 



The author accepts the conclusions of Finch regarding the so-called " Alluvial forma- 

 tion," and describes briefly the Tertiary formations of the Northern Atlantic Coastal 

 Plain. 



A^^UGHAN, T. Wayland. Contributions to the Eocene Fauna of the 

 Middle Atlantic Slope. Coelenterata. 



Johns Hopkins Univ. Circ, 1895, vol. xv, p. 6. 



The author describes Paracyathu^ (/) cJarhcanua and TurhinoUa acuticostata from 

 Potomac Creek. 



The Eocene Deposits in the Middle Atlantic Slope in Dela- 

 ware, Mar5dand and Virginia. Coelenterata. 



Bull. 141, U. S. Geol. Survey. 1896. pp. 89-91. 

 The same forms are described as in the above article. 



Eocene and Lower Oligocene Corals of the United States. 



Monograph U. S. Geol. Survey. Xo. xxxix. Washington, 1900. 



The author describes in much detail the coral species from Maryland and Virginia. 



