lii GEOLOGICAL AND PALEONTOLOGICAL GELATIONS 



1861. 



Conrad, T. A. Fossils of the (Medial Tertiary or) Miocene Forma- 

 tion of the United States. No. 4. 1861 [?]. pp. 81-89, index and 

 plates xlv-xlix. 



Republished by Wm. H. Dall, Washington, 1893. 



Fkomentel, E. de. Introduction a I'etude des Esponges fossiles. 

 Normandie Soc. Linn. M6m., xi. 1860. 



Johnston, Christopher. Upon a Diatomaceous Earth from jSTot- 

 tingham, Calvert Co., Maryland. 



Proc. Amer. Assoc. Adv. Sci., vol. xiv, 1861, pp. 159-161. 



Norman, George. On some Undescribed Species of Diatomaceae. 

 (Read Nov. 14, 1860.) 



Trans. Microscopical Soc. of London, n. s. vol. ix, 1861, pp. 5-9. 



Rogers, W. B. Infusorial earth from the Tertiary of Virginia and 

 Maryland. (Read May 4, 1859.) 



Proc. Boston Soc. Nat. Hist., vol. vii, 1861, pp. 59-64. 



Tyson, P. T. [Letter from Mr. Tyson of Maryland on Tripoli.] 

 (Read Dec. 1860.) 



Proc. Acad. Nat. Sci., Phila., vol. xii, 1861, pp. 550-551. 



1862. 



Conrad, T. A. Catalogue of the Miocene Shells of the Atlantic 

 Slope. 



Proc. Acad. Nat. Sci., Phila., vol. xiv, 1862, pp. 559-582, 



Description of New, Recent and Miocene Shells. 



Proc. Acad. Nat. Sci., Phila., vol. xiv, 1862, pp. 583-586. 



Tyson, Philip T. Second Report of Philip T. Tyson, State Agri- 

 cultural Chemist, to the House of Delegates of Maryland, Jan. 1862. 

 Svo. 92 pp. Annapolis, 1862. 



Md. Sen. Doc. [F]. 



1863. 

 Dana, James D. Manual of Geology. Phila. 1863. 



1864. 



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

 Miocene. 



Smith. Misc. Col., vol. vii, art. vii, 1864, 34 pp. 



