552 



INDEX. 



Vegetables and animals, on the reciprocal 

 dependence of, 90. 



Vision, single and binocular, on the law 

 of visible position in, 356, 439. 



Voltaic arrangements, on the intensities 

 of various, 106. 



Voltaic circuit, on the electrical and che- 

 mical action which takes place before 

 and after the completion of the, 460. 



Voltaic decomposition of solutions, ob- 

 servations on the, 161. 



Vyse (Col. H.) on the entrance passages 

 in the pyramids of Gizeh, 481. 



Walchner (M.) on the preparation of hy- 

 posulphite of soda, 78. 



Wales, on the geological structure of, 

 246. 



Wallace (Prof.), notice of the late, 527. 



Wallace (R.) on the classification of gra- 

 nitic rocks, 220. 



Walter (M.) on sulphocamphoric acid, 

 157. 



Warington (R.) on the action of alkalies 



on wax, 17; on a curious change in 



the molecular structure of silver, 503 ; 



on the preservation of crystals of salts 



for the microscope, 505 ; on the green 



teas of commerce, 507. 

 Wax, action of alkalies on, 17. 

 Williams (Rev. D.) on the Killas group 



of Cornwall and South Devon, 332. 

 Wilmot (Capt. F. E.) on a remarkable 



luminous spot in the sea, 206. 

 Wilson (E.) on Enlozoon folliculorum, 



455. 

 Wolfram, on the chemical constitution of, 



153. 

 Zinc, on the equivalent of, 233 ; mode of 



distinguishing from manganese, 234. 

 Zoological Society, proceedings of the, 



378. 

 Zwenger (C.) on absinthic acid, 392. 



END OF THE TWENTY-FOURTH VOLUME. 



PRINTED BY RICHARD AND JOHN E. TAYLOR, 

 BED LION COURT, FLEET STREET. 



FLAMMAM. 



