300 [October, 



Ornitologia Veneta, ossia Catalogo degli Uccelli della Provincia di Venezia di 

 Fortunate Luigi Naccari. 



Dualism multiple de I'organisation et de ses antagonismes dans I'homme et le 

 regne animal. Par J. J. Virey. 



Esclavage de la Race Noire aux Colonies Frangaises. Par Charles Levavas- 

 seur. 



Catalogue de la collection de Coquilles exotiques de J. B. Bouillet. MSS. 8vo. 



Recherches physiques, chemiques et physiologiques sur la Torpille. Par M. 

 Charles Matteucci. 



Analysi ragionata delle opere recentamenti publicate sul Vermi del corpo 

 umano, e degh animali dei Dott. Bremser di Vienna e Prof. Rudolphi di Berlino. 



De la distribution par mois des conceptions et des naissances de I'homme. Par 

 L. R. Villerme. 



Notice historique sur le sauvage de I'Amerique. Par P. J. Bonnaterre. 



De genre Euphones. Autore Dr. P. W. Lund. 



Notice sur les Indigenes de I'Amerique du Sud et enparticulier sur la tribu des 

 Indiens Charruas. 



Descriptions de plusieurs nouvelles especes de coquilles du genre Rissoa. Par 

 A. C. G. Miehaud. 



Observations on the brumal retreat of the Swallow. By Thomas Forster. 

 2d ed. 



Considerations sur la distribution des Mammiferes terrestres fossiles dans le 

 Departement du Puy de Dome. Par A. Bravard. 



Precis sur la mine de Sel Gemme de Vie et sur les principales mines de Sel de 

 I'Europe. Par M. d'Arcet. 



Biographical notice of Joseph Napoleon Buonaparte. 2d ed. 8vo. 



Observations on the natural history of two species of Wasps. By the Rev. E. 

 Bigge. 



The Sanatory condition of Oxford. By W. P. Ormerod. 



On the relation of the several parts of Mathematical Science to the fundamental 

 idea therein contained. By Bartholomew Price. 



On education in the principles of Art. By the Rev. R Greswell. 



Essay on the theory of the combination of observations. By W. F. Donkin. 



Additional observations for determining the refractive indices for definite rays 

 of the Solar spectrum in several media, and 2d supplement to the same. By the 

 Rev. Baden Powell. 



On the theory of ratio and proportion, by the Rev. B. Powell ; on the nature 

 and evidence of the primary laws of motion, by the same ; on the theory of 

 parallel lines, by the same ; on necessary and contingent Truth, by the same. 



Remarks on the proportionate quantities of Rain at Oxford, by S. P. Rigaud ; 

 on the Arenarius of Archimedes, by the same ; account of some early proposals 

 for Steam Navigation, by the same; A defence of Halley, by the same. 



Narrative of an excursion to the Lake Ansanctus, by Charles Daubeny, M.D.; 

 Sketch of the Geology of North America, by the same ; on the site of the ancient 

 city of the Aurunci, by the same. 



On the Amphitheatre of Pola in Istria. By Travers Twiss. 



An account of the Roman Road from AUchester to Dorchester, and other 

 remains in the neighborhood. By the Rev. R. Hussey. 



On the earlier notices relative to the natural history of the Giraffe. By F. 

 Holme. 



On the collection of Boracic Acid from the Lagoni of Tuscany. By Thomas 

 Tancred. 



Notes on the Indica of Ctesias. By H. H. Wilson. 



September \Qtk. 



American Journal of Science and Arts. Sept., 1851. From the Editors. 

 Bulletin de la Societe Imperiale des Naturalistes de Moscou. Nos. 3 et 4 

 1S50. No. 1, de 1851. From the Society. 



