h 0(j^^ 
4 
J 0 U R N A L 
OF 
THE LINNEAN SOCIETY. 
ZOOLOGY. 
YOL. XX. 
LONDON: 
SOLD AT THE SOCIETY’S APARTMENTS, BURLINGTON HOUSE, 
AND BY 
LONGMANS, GREEN, AND CO., 
AND 
WILLIAMS AND NORGATE. 
1890. 
