THE ORABS, 273 
animals the abdomen is short, flattened, and apt to escape 
immediate notice, as it is habitually kept closely applied 
against the under surface of the cephalothorax. It is 
Fic. 72. Cancer pagurus,male (3 nat. size). A, dorsal view, with the 
abdomen extended ; B, front view of “face.” as, antennary sternum ; 
or, orbit; 7, rostrum ; 1. eyestalk ; 2. antennule ; 3. base of antenna; 
3’, free portion of antenna. 
