CONTENTS. 



1861. 



Page 

 Jan. 18. — Professob Tyndall — On the Action of Gases and 



Vapours upon Radiant Heat .... 295 



„ 25. — Dr. G. C. Wallich — On the Nature of the Deep-sea 

 Bed, and the Presence of Animal Life at vast 



Depths in the Ocean 299 



Feb. 1. — Rev. Alexander J. D. D'Orsey — On the Study of 

 the English Language as an Essential Part of a 

 University Course ...... 307 



„ 4. — General Monthly Meeting 313 



„ 8. — Professor Huxley — On the Nature of the Earliest 



Stages in the Development of Animals . . .315 



„ 15. — Henry F. Chorley, Esq. — On English Poetry in 



reference to Music . . . . . .317 



„ 22. — Professor Faraday — On Platinum . . .321 

 March 1. — Professor H. E. Roscoe — On Bunsen and Kirch- 



hoff's Spectrum Observations . , . . 323 



„ 4.— General Monthly Meeting 328 



„ 8. — Dr. E. Feankland — On some Phenomena attending 



Combustion in Rarefied Air . . . .331 



„ 15. — Latimer Clark, Esq. — On Electrical Quantity and 



Intensity 337 



„ 18. — M. F. P. Du Chaillu — Personal Narrative of his 



Travels in Western Central Africa {no Abstract) . 335 



„ 22. — Professor Henry D. Rogers — On the Origin of 



the Parallel Roads of Glen Roy . . . .341 

 April 1.— General Monthly Meeting 345 



„ 12. — Professor Helmholtz — On the Application of the 

 Law of the Conservation of Force to Organic 

 Nature 347 



„ 19. — John Ruskin, Esq. — On Tree Twigs . . . 358 



„ 26. — Professor Owen — On the Scope and Appliances of 

 a National Museum of Natural History {no Ab- 

 stract) 360 



May 1. — Annual Meeting 361 



3. — Professor Faraday — On Mr. Warren De la Rue's 



Photographic Eclipse Results .... 362 



j» 



