INDEX. 



801 



Woolcombe (R. W.) on the causes and 

 results of assumed cycloidal rotation 

 in arterial red discs, 722. 



*Wrightson (T.) and Prof. W. C. Roberts 

 on the fluid density of certain metals, 

 582. 



"Wynn (Mrs. Williams) and Prof. T. McK. 

 Hughes, the results of recent further 

 excavations in the caves of Cefn, near 

 St. Asaph, North Wales, 700. 



Wynne (A. B.) on underground tempera- 

 ture, 90. 



Yoshida (H.) and Prof. R. W. Atkinson 

 on peppermint-camphor (menthol) and 

 some of its derivatives, 585. 



Zinc and magnesium, the action of, on 

 acidified solutions of ferric sulphate, 

 Prof. T. E. Thorpe on, 595. 



the reducing action of, on vanadium 



solutions, Prof. H. E. Roscoe on, 596. 



Zoological station at Naples, report of 

 the Committee appointed to arrange 

 for the occupation of a table at the, 

 178 ; reports to the Committee— by Allen 

 Harker, 182; by F. G. Penrose, 183. 



Zoological station, the Scottish, report of 

 the Committee appointed to aid in the 

 maintenance of, 177 



Zulus, the physical characters and pro- 

 portions of the, C. Roberts and G. W. 

 Bloxam on, 702. 



1881. 



3f 



