244 CEUSTACEA. ISOPODA OF THE ' POECUFINE ' EXPEDITION. 



PLATE XXV. 



Akidognatliia oedipus. 



n.s. Line indicating natural size of specimen figured below iu dorsal aspect. 

 C. V. Ventral view of head combined with first peraeon segment. These figures 

 are less highly magnified than the rest, which are on a uniform scale. 

 a.s., a.i. The first and second antennae. 



m. Mandible, with part of the oral membrane and supposed first maxilla. 

 mxp. Maxilliped. 

 gn. 1, gii. 2. First gnathopod, with another oral element, and second gnathopod. 

 ■prps. 2, 3, 4. Second perseopod, part of third, and most of the fourth. 

 ])l])s. 2, 3. Second and third pleopods. 



T., urp. Dorsal view of telsonic segment with right uropod and peduncle of the 

 left. 



