302 [October, 



Journal of the Franklin Institute for Septenriber, 1851. 



Conchologia iconica. By Lovell Reeve. Nos. 98, 99, 100. 



Palasontographia. Beitrage zur Naturgeschichte der Vorwelt. Von Dr. W. 

 Dunker und H. von Meyer. Vol. 2, No. 2. 



Untersuchungen iiber Trilobiten. Von Dr. Ernst Beyrich. No. 2. 



Illustrations of British Mycology. By Mrs. T. J. Hussey. 2d ser. Nos. 

 5, 7, 8. 



Exploration Scientifique de I'Algerie pendant les annees J 840, '41, '42. 

 Feuilles supplementaires Sme liv. 



The genera of Diurnal Lepidoptera, by E. Doubleday ; continued by J. O. 

 Westwood. Nos. 43, 44, 45, 46. 



Voyage en Abyssinie, pendant les annees 1839 '43 ; Publie sous la direction 

 de M. Theo. Lefebvre. No. 33, and chart. 



The Birds of Asia. By J. Gould. Part 3. 



Index Palasontologicus. Von Dr. H. G. Bronn. Vols. 1 and 2. 8vo. 



Menioires de Physique et de Chimie de la Societe- d'Arcueil. 3 vols, in 2. 

 Svo. 



Bibliotheca Zoologica et palaeontologica. Edited by Wm. Englemann. Svo. 



The Viviparous Quadrupeds of North America. By J.J. Audubon and the Rev. 

 J. Bachman. Text. Vol. 2. Royal Svo. 



Grundziige der Wissen. Botanik. Von M. J. Schleiden, Dr. 2 vols. Svo. 



Report of the 20lh meeting of the British Association for the advancement of 

 Science. Svo. 



Memoires de la Societe Nationale des Sciences, &c. de Lille. An. 1819. Svo. 



Cephalogenesis. Auctore J. B. Spix. Folio. 



Calcutta Journal of Natural History. Vols. 5 and 7, and Vol. 8, nos. 1 and 2. 



Histoire naturelle gen. et partic. des MoUusques terrestres et fluviales, &c. 

 Oeuv. post, de M. de Ferussac, continue par M. de Ferussac son fils. lAv. 42. 4to. 



The Philosophical Magazine. By Alex. Tilloch. Vols. 1 to 23, and 56 to 

 68. Svo. 



October 14th. 



Views of Louisiana: with a Journal of a voyage up the Missouri in 1811. By 

 H. M. Brackenridge. Svo. From Dr. G. W. Fahnestock. 



Report of a Geological exploration of part of Iowa, Wisconsin and Illinois. By 

 David Dale Owen, M. D. From U. S. Treasury Department. 



The Coal Regions of Pennsylvania. Edited by Eli Bowen. Svo. From Mr. 

 Samuel Powel. 



Report of a Geological examination of some tracts of land in Alleghany county, 

 Md., and Hampshire county, Virginia. By Wm. E. A. Akin. From the same. 



Map of a part of Pennsylvania, exhibiting the surveys made by the Sunbury 

 and Erie Railroad, under the direction of Edward Miller. From the same. 



Charleston Medical Journal and Review. Vol. 5, No, 4. July 1851: From 

 the Editors. 



The Pennsylvania Farm Journal. Edited by S.S. Haldeman. No. 7. Oct. 1851. 

 From the Editor. 



Memoires de la Soc. de Physique et d'Hist. Nat. de Geneve. Tome xii. pt. 2. 

 4to. From the Society. 



Map of the Anthracite Coal Fields, (1st and 2d). By Samuel R. Fisher, (1836.) 

 From Col. J. Hare Powel. 



The following were presented by Mr. Wm. Haidinger, of Vienna : 



Ueber den Cordieret. Von W. Haidinger. 



Ueber den Pleochroismus der Krystaile. Von W. Haidinger. 



Ueber die Pseudomorphosen und ihre anogene und katogene Bildung. Von W. 

 Haidinger. 



Ueber den durchsichtigen Andalusit von Minas Novas in Brasilien und den 

 Diaspor von Schemnitz. Von W. Haidinger. 



Ueber das Eisenstein-Vorkommen bei Pitten in Osterreich. Von W. Haid- 



