248 



MACROUROUS DECAPODS ; CRABS. 



than for swimming ; and they are consequently usually found 

 upon the shore, or even quite inland, rather than afloat. The 



FIG. 473. CARCINUS MJENAS, (Common small edible Crab), upper side, and under side 

 of the body with the limbs cut short ; a, lateral antenna ; b, intermediate antenna : c, 

 eye ; d, outer foot jaw ; e,f, g, h, i, base of the five pairs of legs ; k, tail ; I, sternum. 



tail or post-abdomen is shorter than the thorax, and possesses 

 no appendages or swimmerets at its extremity ; it is folded in 



FIG. 474. MAIA. 



a state of rest beneath the thorax, where it is lodged in a hollow 



