LIST OF THE CONTRIBUTES 



TO VOLUME SIX, 



WITH 



REFERENCES TO THE SEVERAL ARTICLES CONTRIBUTED BY EACH. 



Adeney, W. E., F.I.C. page 



On an Apparatus Applicable for Gas Analysis and other 

 purposes (Plate XII.), 542 



Barrett, W. F. 



Notes on a Eemarkable Increase of Magnetic Susceptibility 

 produced by Heating Manganese Steel Filings, . . 107 



Notes from the Physical Laboratory of the Eoyal College of 

 Science : On the Determination of the Absolute Expansion 

 and the Densities of Liquids, ...... 327 



Note on the Magnetic Properties of Columnar Basalt, . . 382 



On the Magnetic Moment and other Physical Constants of 

 Steel containing from One to Twenty- one per cent, of 

 Manganese, 460 



Clark, E. 



See Kinahan and Clark. 



Dixon, Francis. 



On the Arrangement of the Mesenteries in the Genus 

 Sagartia, Gosse (Plates I. and II.), . . . . .136 



