576 



ZOOLOGY 



SECT. 



as to be often quite hidden in a view from above. In correspondence 

 with this the pleopods are much reduced, the male retaining only two 

 pairs as copulatory organs, the female four pairs for the attachment 



FIG. 476. Typical Brachyura. (After Bell and de Haan.) 



of the eggs. The uropods are absent, so that there is no tail-fin. 

 The eye-stalks (E) are contained in orbits or sockets of the carapace, 

 which are so prolonged that the eyes appear to arise behind the 

 antennules and antennae. Both pairs of feelers are small, and the 



