EXPLANATION OF PLATE XI. 



Paraperiscyphis travancorensis , gen. et sp. no v. 



n.s. Lines indicating natural size of specimen figured below in 

 dorsal aspect not completely flattened ; the figure above being 

 a lateral view of a rather smaller specimen, of which the 

 uropods are figured on the left in ventral view. All other 

 figures are frojn the first-mentioned specimen. 



Per.s. I. First peraeon segment with the head, in dorsal view 

 more enlarged. 



C.V. Ventral view of the head (cephalon). 



a.i. Second antenna, with terminal spine more magnified. 



l.s., m., m., mx. i., mx. 2., mxp. Upper lip; mandibles, the 

 upper from the outer side, the lower figure representing the 

 other mandible from the inner side ; the first maxilla without 

 the inner plate ; the second maxilla ; the maxillipeds. These 

 mouth-organs are figured to a uniform scale. 



gn. I. First gnathopod, with distal part more enlarged. 



urp., T. Uropod in dorsal aspect, and telsonic segment, these 

 figures with those of the second antenna and first gnathopod 

 are on a uniform scale, only the extra enlargements of parts 

 agreeing with the scale of the mouth-organs. 



