Decapod Crustacea of Bermuda. J'art II . 9 



spines on the outer margin ; three on the inner margin, one of each 

 row being at the distal angles; and three smaller ones on the 

 upper surface, of which the larger is at the proximal articulation; 



FIGURE i. Bermuda lobster. (Panulirus argus.) 

 Side view. About Yf> natural size. 



there are also four on the under side, of which three are at the 

 distal margin. 



The preceding segment has seven large, sharp spines on the 

 upper side of which four are at or near the distal margin ; the basal 

 or first movable segment bears one large, suberect, sharp spine, 

 also the stridulating organ. 



