VI. 



Elemens de Zoologie. Par,M. Milne Edwards, 2d ed., 2 vols. 8vo. 



Histoiredes Insectes. Par Emile Blanchard, 2 vols. ]2mo. 



Cours elementaire d'histoire naturelle. Zoologie, par M. Milne Edwards ; Bo- 

 tanique par A. de Jussieu ; Mineralogie, Geologie, par M. F. S. Beudant, 3 vols. 

 12mo. 



Tracts on the nature of animals and vegetables. By L. Spallanzani, 8vo. 



An account of the Basalts of Saxony. By J. F. Daubuisson, 8vo. 



The Philosophy of Mineralogy. By Robert Townson, M. D., 8vo. 



Observations on Mineralogical systems. By Richard Chenevix, Esq., 8vo. 



An inquiry into the legislation, control and improvement of the Salmon aud 

 Sea Fisheries of Ireland. By H. F. Hore, 8vo. 



Bulletin de la Societe Philomatique de Paris, 3 vols. 4to. 



C. N. Langii Historia Lapidum figuratorum Helvetiae ejusque viciniae : Trac- 

 tatus de origine Lap. fig : Appendix ad Hist. Lap. fig : Methodus novus et faci- 

 lis Testacea marina pleraque quae hue usque nobis nota sunt in suas classes, &c. 

 distribuendi, (in one vol. 4to.) 



De Cartilaginibus, musculis, nervis Auri externae ; atque de nexu Nervi Vagi 

 et Nervi facialis. Auctore A. Hanover, 4to. 



Concordance Systematique. Par J. N. Vallot, M. D., 4to. 



Etudes Zoologiques, Physiolog. et Patholog. de FCEuf dans I'espece humain. 

 Par G. Breschet, 4to. 



Recherches sur les Echinocoques chez I'homme et chez les animaux. Par 

 Eugene Livois, M. D. 



Bildungsgeschichte der Genitalien aus anatomischen Untersuchungen von Em- 

 bryonen des Menscheu und der Thiere. Von J. Miiller. 



A systematic and stratigraphical Catalogue of the fossil Fish in the Cabinets 

 of Lord Cole and Sir Philip Egerton. By Sir Philip Egerton. 



Memorias de la Real Academia de Ciencias de Madrid. 3d ser. vol. 1, part 1. 



Beitrage zur Kenntniss Wirbelloser Thiere, &c. Von Dr. H. Frey und Dr. 

 R. Leuckart. 



Traite de Venerie et de Chasses, l^e partie, 4to. 



De Ovi Mammalium et Hominis generi Epistolam ad Acad. Imp. Sci. Petro- 

 poli dedit Carolus Ernestus a Baer, 4to. 



*> February 3d, 



Journal of the Academy of Nat. Sciences of Philadelphia, 2d series, vol. 2, 

 part 2, 4to. From the Publication Committee. 



Proceedings of the Boston Society of Natural History, vol. 4, pp. 97 128. 

 From the Society. 



Kongl. Vetenskaps Akad. Handlingar, 1849. From the Academy. 



Ofversigt af Kongl. Vetenskaps Akad. Forhandlingar 7<le Aug. 1850. From 

 the same. ^ 



Spectacle de la Nature ; or Nature displayed, &c. Translated from the ori- 

 ginal French, by Mr. Humphreys, 3 vols. Svo. From Mr. Isaac Lea. 



The following were presented by Dr. Wilson, on the usual condition : 



Journal of the Franklin Institute, for January 1852. 



Revue et Magasin de Zoologie, 1851, No. 11. 



London Athenaeum foi December, 1851. 



February 10^7*. 



A pronouncing Gazeteer. By Thomas Baldwin, 9th edition with a Supple- 

 ment, Svo. From Dr. James C. Fisher. 



Contributions to the Natural History of the Fresh water Fishes of North 

 America. By Charles Girard. 1. Monograph of the Cottoids. From the Author. 



Proceedings of the Royal Society of Edinburgh, vol. 3, Nos. 40, 41, and 

 index and title page of vol. 2. From the Society. 



Symbolae ad Monographiam generis Chrysopae Leach : ilhistratcB a Gulielmo 

 F. Schneider, 8vo. From Dr. Wilson. 



Oken's Naturgeschichte fiir Schulen, 8vo. From Mr. Lea. 



