404 



for October, 1853. No. 71, for November, 1853. No. 72, for 

 December, 1853. London. 



Manual of the Botany of the Northern United States, by Asa 

 Gray, M. D. 8vo. Boston, 1848. 



History of Infusorial Animalcules. By A. Prichard. 8vo. 

 London, 1852. 



Systeme Silurien du Centre de la Boheme. Par Joachim 

 Barrande. 2 vols. 4to. Prague et Paris, 1852. Recherches 

 Paleontologiques. Trilobiies. 



Received in Exchange for Duplicates. 



Report on the Geology of Cornwall, Devon, and West Somer- 

 set. By H. De la Beche. 8vo. London, 1839. From the 

 American Academy. 



ComptesRendus Hebdomaires des Seances de PAcademie des 

 Sciences. Tomes XXX. et XXXI. 4to. Paris, 1850. From 

 the American Academy. 



Memoires presentees par divers Savans a PAcademie Royale 

 des Sciences de PInstitut de France. Tomes VI. et IX. 4to. 

 Paris 1836 et 1846. From the American Academy. 



Geological Relations of the Secondary Strata in the Isle of 

 Arran. By A. Sedgwick and R. I. Murchison. 4to. Pamph. 

 London, 1828. From the American Academy. 



Oration on Life, <fcc. of Lafayette. By J. Q. Adams. 8vo. 

 Washington, 1835. Fro7n the American Academy. 



Memoires de la Academic Royale des Sciences de I'Institut de 

 France. Tomes XVII., XVIII. 4to. Paris, 1840 -42. 



Receuil de Voyages et de Memoires public par la Societe de 

 Geographic. Tome II. Seconde Partie. 



Tiieory and Practice of Warming and Ventilating Public Build- 

 ings, &c. 8vo. London, 1825. 



History of the Pyrites. From the French of J. F. Henckel. 

 8vo. London, 1757. 



Experiments and Observations on Natural Philosophy. Vol. 

 III. By Joseph Priestley. 8vo. Birmingham, 1786. 



Anaales des Mines. 



