INDEX. 



579 



Walden (Viscount) admitted, 494. 



Walker (Col. J. T.J admitted, 245. 



, communication from the Secretary 



of State for India relative to pendulum- 

 observations now in progress in India 

 in connexion with the Great Trigonome- 

 trical Survey under the superintendence 

 of, 97. 



, report on pendulum-observations in 



India, 98, 1J5. 

 Wheatstone (Sir C), experiments on the 



successive polarization of light, with the 



description of a new polarizing-appara- 



tus, 381. 



Wheatstone's bridge, modification of, to 

 find the resistance of a galvanometer- 

 coil from a single deflection of its own 

 needle, 253. 



Whitehouse (W.) on a new instrument j 



for recording minute variations of at- 

 mospheric pressure, 491. 

 Williamson (W. C.) on the organization 

 of the Catamites of the coal-measures, 

 268. 



on the organization of the fossil 



plants of the coal-measures : Part II. 



Lcpidodendra and Si g Mar ice, 500. 

 Wine, effect of, on bodily temperature, 79. 

 Wood (J.) admitted, 404. 

 Wright (C. R. A.), contributions to the 



history of the opium alkaloids : Part I. 



On the action of hydrobromic acid on 



cocleia, 371 ; Part II., 504. 



Zinc, chloride of, on the action of, on co- 

 de ia, 71, 94. 



Zodiacal light, observations on the, made 

 at Mussooric, 8. 



EXB OF TEE KIjS'EIEE3S~IH VOLUME. 



r K I IS" T E D BY TAILOR AND FEANCIS, 

 RED LION COURT, FLEET STEELE, 



