PLATE VIlB. (Crustacea Plate XCVIu.) 

 Metopa rotundus, n. sp. 



n.s. Line indicating natural size, measured round from head to third pleon- 

 segment of the female specimen shown in lateral view. 



a.s , a.i. First and second antennae. 



l.s., m. Upper lip and mandible (the palp broken). 



gn. 1, gn. 2. First and second gnathopods, with distal parts more highly 

 magnified. 



prps. 2, 3, 5. Second, third, and fifth peraeopods (basal joint of fifth imper- 

 fect), sixth and seventh joints of second more highly magnified. 



urps. 1, 2, 3, T. The three uropods and the telson, the latter upturned in 



lateral view. 

 The gnathopods and peraeopods (except the extra enlargements) are on a 



lower scale than the other details. 



