PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



VOL. XXXI. 



No. 208. 



CONTENTS. 



December 9, 1880. 



PAGE 



T. On a Simplified Form of the Torsion- GraTimeters of Broun and Babinet. 

 By Major J. Heeschel, R.E., F.R.S., Deputy Superintendent, Great 

 Trigonometrical Sur rey of India ........ Ill 



II. Note on the Microscopic Examination of some Fossil Wood from the 

 Mackenzie Biver. By C. Schbotee, Assistant at the Botanical 

 Laboratory of the Polytechnic Institution, Zurich .... 147 



III. The Electrostatic Capacity of Glass. By J. Hopklnson, M.A., D.Sc., 



F.B.S . .148 



IV. Ihe Cochlea of the Ornitliorliynclms platypus compared with that of 



ordinary Mammals and of Birds. By Feb an Peitchaed, M.D., 

 F.E.C.S., Aural Surgeon of King's College Hospital .... 149 



I. On Acfcinometrical Observations made in India at Mussooree and Dehra 

 in October and November, 1879. By J. B. r> T . Hennessey, F.B.S. , 



II. On the Critical Point. By W. Ramsay, Ph.D., Professor of Chemistry 



December 16, 1880. 



Deputy Superintendent, Great Trigonometrical Survey of India . 



. 154 



in University College, Bristol 



194 



For continuation of Contents see 4th page oj Wrapper. 



