GUIDE 
TO THE 
CRUSTACEA, ARACIIMDA. 
ONYCHOPHORA and MYRIOPODA 
EXHIBITED IX 
THE DEPARTMENT OF ZOOLOGY, 
BRITISH MUSEUM (NATURAL HISTORY), 
CROMWELL ROAD, LONDON, . S.W. 
WITH 90 ILLUSTRATIONS 
LONDON : 
PRINTED BY ORDER OF THE TRUSTEES 
OF THE BRITISH MUSEUM. 
1910. 
[PRICE ONE SHILLING.] 
