CONTENTS. XXVll 



LIST OF PLATES. 



PLATES I.-III. 

 Illustrating Dr. J. II. Vincent's Paper on the use of Logarithmic Coordi- 

 nates. 



PLATE IV. 



Illustrating Mr. Fra.ncis G Alton's Memoir on Photographic Eecords of 

 Pedigree Stock. 



PLATE V. 



IllustratiDg the Paper by Professor von Bezold and General Eykatcheff ' On 

 the Establishment of Temporary Magnetic Observatories in Certain Localities, 

 especially in Tropical Countries.' 



PLATES VI.-VIII. 



Illustrating M. Capello's Paper ' Sur le Mouvement diurne du Pole Nord d'un 

 Barreau MagniStique suspendu par le centre de graviti?.' 



Map and Plans illustrating Colonel Geoege Eael Chitkch's Address to the 

 Geographical Section. 



