THE CEABS. 



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 



FIG. 7'2. rnncerpagr.rim,ma\e (^ nat. size). A, dorsal view, with the 

 abdoi_en extended ; B, front view of "face." as, antennary steinum ; 

 or, orbit : r, rostrum ; 1. eyestalk ; 2. antennule ; 3. base of antenna ; 

 3', free portion of antenna, 

 19 



