TO 



THE MEMOEY 



OF 



Mr FPJEND AND CLASS-FELLOW AT THE UNIVERSITY OF EDINBURGH, 



FELLOW OF ST. JOHN'S COLLEGE, CAMBRIDGE; 

 PROSECTOR TO THE ZOOLOGICAL SOCIETY OF LONDON; 



WHO DIED IN AFRICA IN JANUARY, 1883, 

 WHILE LEADING A SCIENTIFIC EXPEDITION ALONG THE RIVER NIGER; 



AND WHO, ALREADY EMINENT FOR ENDURING WORK 



ACCOMPLISHED IN ZOOLOGICAL SCIENCE, 



WAS IN FUTURE PROMISE PRE-EMINENT OVER ALL OF HIS TIME, 



^hi0 13oIum^ is nUzciioxutd^ ^rbiratrb. 



