JiAKVi.AM) (;i:()i,o(!ic \i. sriivi:v 30 



Lea, Henry C. (';iI:iI<.l;iic df thr 'I'nMiiiry Tey-lucca (if tlu' I iiiled 

 States. 



I'roc. Acad. Nat. S<i. IMiila., vol. iv, 1848, pp. 95-107. 



Till' aiilliiir incluili's in his llsl Wn- iiium-s <iT the Kncciii' fiiKxIlM frmii tin- Mlililli- 

 Atliuitic Slope. 



Lea, Isaac. ('()iilril)uti(jn.s to geol()«iy. 



Philadelphia, IS.!.;, 8vo, :.'27 pp. and (> plates. 



The Fort Washington (lci)osits arc (•onvhitcMl \>y tlic author with tlioso of ClalUiriK'. 

 Ala., and a description is given of uian.v forms fnon ilic lailcr l<.<-alliy. s.uiic i.f whli-li 

 have since been found in .Maryland. 



Lyell, Charles. On the 'I'crtiarv roi'iiiation.< and their eunnectiun 

 with the chalk in Virginia timl other parts of the I'liitcd Slates. 



Proc. Geol. Soc, London, vol. iii, 1842, pp. 7:55-742. 



The article contains a description of the James River Eocene deposits, and the Im- 

 portance of Vcnericardia idaiiivusta as a type fos.sil is discussed. 



On the Miocene Tertiary strata of Maryland, Virginia, and 



North and South Carolina. 



Proc. Geol. Soc., London, vol. iv, 1S4."). pp. .547-50:3: Quart. .Tour. (!eol. Soi-.. 

 London, vol. i, 1845, pp. 413-429. 



The author refers to the Eocene in several of the sections that are given. 



Observations on the white limestone and other Eocene or 



older Tertiary formations of Virginia, South Carolina, and Georgia. 



Proc. Geol. Soc, London, vol. iv, 1S45, pp. 563-576; Quart. Jour. Geol. Soc. 

 London, vol. i, 1845, pp. 429-442. 



The author gives a description of the Eocene deposits of the James River, as well 

 as of the Richmond and Petersburg areas. The occurrence of Veiicricardia i)laiiic(»<ta 

 and of a form similar to Ostrea heUovacina of Europe is mentioned. 



Maclijre, W. Observations on the geology of the United States, ex- 

 planatory of a geological map. 



Trans. Amer. Philos. Soc, old series, vol. vi, 1809, pp. 411-428. 



Observations on the geology of the United States of North 



America, etc. 



Ibid., new series, vol. i, 1S17. p-p. 1-92. 



Observations on the geology of the United States of America. 



Philadelphia, 1817, 8vo, 130 pp. 



In the publications of Maclure the entire Coastal Plain is referred to the " alluvial 

 formation." A translation of the first article above mentioned appeared in the Journal 

 de Phj'sique, vol. Ixix, 1809. pp. 204-213. and vol. Ixxii. 1811. pp. 137-165, and of the 

 second article in Leonard's Zeitschrift, Band I. 1S26. pp. 124-138. 



Maury, M. F. Physical survey of Virginia. Eichmond. i, 1868, 8°, 

 90pp.;ii, 18T8, 8°, 142 pp. 



This publication contains several references to the stratigraphical relations of the 

 Eocene. 



