121 



Geological Bibliography of Virginia 65 



Existence of the genus Tteniopterus, charadleristic of the Lias, 

 foiind in these beds, by W. B. Rogers. 



New Red Sandstone of North America and Coal-bearing 



Deposits of Virginia and North Carolina, of the Same 

 Period as Lower Part of Oolite of Europe. 



Proc. Boston Soc. Nat. Hist., vol. v, pp. 190-191, 1884- 



86. 



For further reference, see under Rogers, Wm. B. 



Rogers, Wm B., On the Discovery of Green Sand in the 

 Calcareous Deposit of Eastern Virginia, and on the Prob- 

 able Existence of This Substance in Extensive Beds near 

 the Western Limits of our Ordinary Marl. 



Farmers' Register, vol. ii, June, 1834. 



Geology of the Virginias, 1884. pp. 3-9- 



Further Observations on the Green Sand and Calcareous 



Marl of Virginia. 



Farmers' Register, May, 1835. 



Geology of the Virginias, 1884, pp. 11-20. 



Report of the Geological Reconnaissance of the State of 



Virginia, Made under the Appointment of the Board of 

 Public Works. 



Richmond, 1836. 4°, 52 pp. and plate. 



Republished at Philadelphia, 1836. 8°, 143 pp. and plate. 



See Geology of the Virginias. 



Report of the Progress of the Geological Survey of Vir- 

 ginia for 1836. 



Richmond, 1837. 4°, 14 pp. 

 See Geology of the Virginias. 



Report on the Geological Reconnaissance of the State of 



Virginia. 



Amer. Jour. Sci., vol. xxxii, p. 192, 1837. 



Report of the Progress of the Geological Survey of Vir- 

 ginia for 1837. 



Richmond, 1838. 4°, 24 pp. 

 See Geology of the Virginias. 



First and Second Reports of the Progress of the Geo- 

 logical Survey of Virginia for the Years 1 836-1 837. 

 Philadelphia, 1838. 8°, 87 pp. 

 See Geology of the Virginias. 



Report of the Progress of the Geological Survey of Vir- 



ginia for the Year 1838. 



