M. Delesse, 113— On the Products of Eruption ai HecJa, by Dr. F. A. Genth j 

 On the Xummulite Limestone of Alabama, by C Lvexl, 114. 



Zoology.— Some Notes on Mexican Birds, heretofore not fu)\y described, by Geo. 

 A. McCall, t .S.A., 114. — Description of new species of Birds, by Johx Ca -in 

 115.— Otters \n Hadley, Mass.. 117. 



Astronomy.— he Verrier's Remarks on the Planet Neptune, 118.— Eighth Satel- 

 lite of Saturn: Elements of Petersen's Comet of August, 1843, 122 —New 

 Comet : Comet Medal : Some Remarks upon an American Nautical Alma- 

 nac, 123. 



Miscellaneous Intelligence— Go)d in California, 125. —Aurora! Bow of April 7, 

 1847, 126.— Aurora Borealis, Nov. 17, 1848, 127.— Relation between the Co- 

 efficient of Elasticity of Metals, and their latent heat of fusion, by C. C. Person. 

 128. — On the Existence of the Color Brown, by Ernest Brucke : Inundation 

 of the Indus, 129. — Flood in the Macquarie, in Australia, 130. — On the Appa- 

 rent Motion of the Figures in certain Patterns of Blue and Red Worsted, by 

 Henry Taylor, 132.— The Tea Plantations in the N.W. Provinces of India, 

 and the Culture of American Cotton in India, 135. — Expedition into Australia : 



Mines in Australia: The Nile: A Cabinet of Minerals for 

 sale, collected by the late Dr. Crawe, 138.— Obituary.— William Oakes, A.M., 138. 

 Death of Robert Gilmor, Esq., 142.— Dr. Samuel Guthrie ; Dr. A. Goldfi , 1 i 



Bibliography.— The Sailor's Horn-Book for the Law of Storms, by Hesrv Pid- 

 dington, 144. — Memoir, Geographical, Political and Commercial, on the Pres- 

 ent State, Productive Resources and Capabilities of Siberia, Manchuria, and the 

 Asiatic Islands of the Northern Pacific Ocean, &c, by Aaron H. Palmer, 148. 

 Memoirs of the American Academy of Av and Sciences, 14 -An 1 iment- 

 ary Treatise of Spherical Geometry and Trigonometry, by A riforr I), Stan- 



ev, A.M.: The Philosophy of Geology, by A. C. G. Jobert;— also, Idea 

 Outlines of a new System of Philosophy, by A. C. G. Jo BERT, £ ; Observa- 

 tions on Belemnkes and other Fossil Reman of Cephalopoda, disco red by Mr. 



Platinum, 137. 



Reginald Neville Mantel!, C.E., in the Oxford near Trowbridge, in Wilt- 



shire, by Gideon Algernon M tell, Esq., LL.D.. F.R.S FJL&, fee. : A 

 Memoir on the Structure of the Maxillary and Denial orgai of the Iguanodon. 

 ov G. A. Mantell, &c., 150.— A Memoir on the Dinornis. by Professor Oww 

 FJML, r.Zi (kc. Ac*; Collections of the Georgia Bhri >rical Society: Me- 

 moirs read before the A m A ociation for the Promotion of Science, 15 J 



i I of Works, 151. 



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