IV CONTENTS. 



Page 



April 20.— T. H. Huxley, Esq. — On certain Zoological 

 Arguments commonly adduced in favour of the 

 hypothesis of the Progressive Development of 

 Animal Life in Time . . . . 82 



„ 27. — Sir Charles Lyell — On certain trains of Erratic 



Blocks on Western borders of Massachusetts, U.S. 86 

 May 1. — Annual Meeting ...... 98 



„ 4. — Dr. J. H. Gladstone— On Gunpowder and its 



substitutes ...... 99 



„ 7. — General Monthly Meeting .... 104 



„ 11. — Henry Bradbury, Esq. — On Nature-Printing . 106 

 „ 18. — James Philip Lacaita, Esq.— On Dante and 



the Divina Commedia . . . .118 



„ 25. — Professor Faraday — On Electric Conduction . 123 

 June 1. — Professor Tyndall — On the Currents of the 



Leyden Battery . , , ... 132 



„ 4. — General Monthly Meeting . . . .136 



„ 8. — Professor Faraday — On RuhmkorfTs Induction 



Apparatus . , . . . .139 



„ 15. — Col. H. C. Rawlinson — On the Results of the 



Excavations in Assyria and Babylonia . . 1 43 



July 2. — General Monthly Meeting . , . .145 



Nov. 5. — General Monthly Meeting . , . .147 



Dec. 3.— General Monthly Meeting . . . .150 



1856. 



Jan. 25. — W. R. Grove, Esq. — Inferences from the Nega- 

 tion of Perpetual Motion . . . .152 

 Feb. 1. — Professor Tyndall — On the Disposition of 



Force in Paramagnetic and Diamagnetic Bodies 1 59 

 „ 4. — General Monthly Meeting . . . .164 



„ 8. — Professor Henry D. Rogers — On the Geology 



and Physical Geography of North America . 167 

 „ 15. — Professor T. H. Huxley — On Natural History 



as Knowledge, Discipline, and Power . .187 

 „ 22. — Professor Faraday — On certain Magnetic 



Actions and Affections • . • .196 



