1868.] 53 [Library additions. 



a Microscopic Test-Object. By Prof. J. W. Bailey. 8vo. Pamph. New 

 Haven, 1855. 



On the non-existence of Polarizing Silica in the Organic Kingdoms. 8vo. 

 Pamph. By Prof. J. W. Bailey. 



Om niigra i Vettem och Venern funna Crustaceer. Af S. Lov(in. 8vo. 

 Pamph. Stockholm, 1861. 



Proceedings of the National Institute, Washington, D. C. Vol. i. No. 2. 

 8vo. Washington, March, 1856. 



Observations sur le Sphaerulites Calceoloides Des Moulins. Par M. Deshayes. 

 8vo. Pamph. Paris, 1850. 



Bulletin de la Soci6t6 Paleontologique de Belgique. Tome i, Fe. 1-4. 8vo. 

 Anvers, 1859. 



Quelques Observations au Sujet de la Famille des Rudistes de Lamarck. Par 

 G. P. Deshayes. 8vo. Pamph. Paris, 1855. 



Observations on the Discovery in various localities of the Remains of Human 

 Art mixed with the bones of extinct races of animals. By Charles Babbage. 

 8vo. Pamph. London, 1859. 



Sir Charles Lyell, on certain Trains of Erratic Rocks on the Western Borders 

 of Masssachusetts. 8vo. -Pamph. London, 1855. 



Notice of Tertiary Fossils from Labrador, Maine, etc., and Remarks on the 

 Climate of Canada, in the newer pliocene or pleistocene period. 8vo. Pamph. 



■Review of Mr. Barrande on the primordial Zone in North America, and the 

 Taconic system of Dr. Emmons. By T. Sterry Hunt. 8vo. Pamph. 



Des Vegetaux qui croissent sur I'Homme et surles Animaux vivants. Par M. 

 Ch. Robin. 8vo. Pamph. Paris, 1847. 



Geological Survey of Canada. Report, 1846-7. 8vo. Pamph. Montreal. 



Second Report of the Geological Survey of the Province of New Brunswick. 

 By Abraham Gcsner. 8vo. Pamph. Saint John, 1840. 



First Biennial Report on the Geology of Alabama. By M. Tuomey. 8vo. 

 Pamph. Tuskaloosa, 1850. 



Contributions to the Geology of Kentucky. By L. P. Yandell and B. F. 

 Shumard. 8vo. Pamph. Louisville, 1847. 



Geological Reports to the general Assembly of the State of Tennessee. 5th, 

 6th, 7th, 9th. By G. Troost. 8vo. Pamph. Nashville, 1840, '41, '44, '48. 



Geological Survey of Iowa. Supplement to Vol. i. Part ii. By James Hall. 

 8vo. Pamph. 1859. 



Notes on American Fossil Fishes. By Dr. J. S.Newberry. 8vo. Pamph. 

 New Haven, 1862. 



Notes on the surface Geology of the Basin of the Great Lakes. Dr. J. S. 

 Newberry. 8vo. Pamph. Boston, 1862. 



On the Origin of Greensand, and its Formation in the Oceans of the present 

 Epoch. By Prof. J. W. Bailey. 8vo. Pamph. Cambridge, 1856. 



Distribution des Mollusques acephales dans le bassin tertiaire de Paris, par 

 M. Deshayes. 8vo. Pamph. Paris, 1861. 



On the Fossil Crab of Gay Head. By Dr. WiUiam Stimpson. 8vo. Pamph. 

 Boston, 1863. 



The Rocks of Kansas, by C. G. Swallow and F. V. Hayden. With Descri[>- 



