MARYLAND GEOLOGICAL SCRVEY 40 



Tyson, Philip T. Second Eeport of Philip T. Tyson, State Agricul- 

 tural Chemist, to the House of Delegates of Maryland, Jan. 1863. 8vo. 

 93 pp. Annapolis, 1863. 



Md. Sen. Doc. [F]. 



1864. 

 Meek, F. B. Check list of the Invertebrate Fossils of North America. 

 Miocene. 



Smith. Misc. Col., vol. vii, art. vii, 1864, 32 pp. 



1866. 

 Conrad, T. A. Illustrations of Miocene Fossils, with Descriptions of 

 New Species. 



Amer. Jour, Concli., vol. ii, 1866, pp. 65-74, plates 3 and 4. 



1867. 

 Conrad, T. A. Descriptions of New Genera and Species of Miocene 

 shells, with notes on other fossil and recent species. 

 Amer. Jour. Conch., vol. iii, 1867, pp. 257-270. 



HiGGiNs, James. A Succinct Exposition of the Industrial Eesources 

 and Agricultural advantages of the State of Maryland. 



Md. House of Delegates, Jan. Sess., 1867 [DD], Svo, 109, iii pp. 

 Md. Sen. Doc, Jan. Sess., 1867 [U]. 



1871. 

 Shaler, N. S. On the Causes which have led to the Production of 

 Cape Hatteras. 



Proc. Boston Soc. Nat. Hist, vol. xiv, 1871, pp. 110-121. 



1880. 

 Dana, J. D. Manual of Geology. 3d edit. 



1881. 

 Heilprin, Angelo. On the Stratigi'aphical Evidence Afforded by 

 the Tertiary Fossils of the Peninsula of Maryland. 

 Proc. Acad. Nat. Sci., Phila., vol. xxxii, 1880, pp. 20-33. 



