PREFACE. 
I IIAYE again the pleasure of acknowledging grants of £100 from 
the British Association for the Advancement of Science, and of 
£150 from the Government Grant Committee of the Royal Society, 
in aid of this undertaking. My thanks are also due to the 
Recorders, with whose aid I have again been enabled to bring out 
a volume within the year following that of which the work is 
recorded. 
EDWARD CALDWELL RYE. 
Royal Geographical Society, 
1, Savile Row, Burlington Gardens, London, 
Decemher, 1882. 
