A GUIDE 
TO THE 
FOSSIL INVEIITEBEATE 
ANIMALS 
IN THE DEPARTMENT OF 
GEOLOGY AND LALAEONTOLOGY 
IN THE 
BIUTISH MUSEUM (NATUKAL HISTOUY), 
CROMWELL ROAD, LONDON, S.W. 
WITH 7 PLATES AND 96 TEXT-FIGURES. 
SECOND EDITION. 
LONDON : 
PRINTED BY ORDER OF THE TRUSTEEf^. 
1911. 
{All rights reserved.) 
