Vi. 
Klemens de Zoologie. Par,M. Milne Edwards, 2d ed., 2 vols. 8vo. 
Histoire des Insectes. Par Emile Blanchard, 2 vols. 12mo. 
Cours élémentaire d’histoire naturelle. Zoologie, par M. Milne Edwards; Bo- 
tanique par A. de Jussieu; Mineralogie, Geologie, par M. F. 8. 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 Ghenewise 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 Société Philomatique de Paris, 3 vols. Ato. 
C. N. Langii Historia Lapidum figuratorum Helvetiz ejusque vicinie: Trac- 
tatus de origine Lap. fig: Appendix ad Hist. Lap. fig: Methodus novus et faci- 
lis Testacea marina pleraque que hue usque nobis nota sunt in suas classes, &c. 
distribuendi, (in one vol. 4to.) 
De Cartilaginibus, musculis, nervis Auri externe; 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 |’Ciuf dans l’espece humain. 
Par G. Breschet, 4to. 
Recherches sur les Echinocoques chez Vhomme et chez les animaux. Par 
Eugene Livois, M.D. 
Bildungsgeschichte der Genitalien aus anatomischen Untersuchungen von Em- 
bryonen des Menschen und der Thiere. Von J. Miller. 
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. 384 ser. vol. 1, part 1. 
Beitrage zur Kenntniss Wirbelloser Thiere, &c. Von Dr. H. Frey und Dr. 
R. Leuckart. 
Traité de Venerie et de Chasses, 1me 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¢e 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 Atheneum for December, 1851. 
February 10th. 
A pronouncing Gazeteer. By Thomas Baldwin, 9th edition with a Supple- 
ment, 8vo. 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. 
Symbol ad Monographiam generis Chrysope Leach: illustrate 4 Gulielmo 
F. Schneider, 8vo.. From Dr. Wilson. 
Oken’s Naturgeschichte fur Schulen, 8vo. From Mr. Lea. 
