PLATE XIIe. 



Eryoneicus cascus (p. 122). 

 Fig. 1. Dorsal aspect; enlarged five and a half times. 

 ,. 2. Ventral aspect ; enlarged seven times. 



b. First antenna. 



c. Second antenna. 

 /■. First pereiopod. 



/. Second pereiopod. 



m. Third pereiopod. 



n. Fourth pereiopod. 



a. Fifth pereiopod. 



P. Pleon. 



ji. First pleopod. 



z. Telson. 



br. Branchial plume. 



