PLATE LIV. 

 Makrokylindrus fnifiilis, n. g. et sp. ? . 



n.s. ? . Line indicating natural size of female specimen figured below, 

 car. Carapace of the same specimen in dorsal view. 



T. urp. Telson in connexion with two preceding segments and one of the uropods 

 more highly magnified, on the same scale as the antennae and perceopods. 



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



l.s., m., mxp. 2. Upper lip, mandible, and second maxilliped, more highlv 

 magnified than the other appendages. 



m'. Apex of mandible with accessory plate from another specimen, 

 mxp. 2'. Pair of second maxillipeds on the same scale as the perasopods. 

 prp. 1-5. The five peraeopods, the first defective from end of second joint. 

 prp. 2'. Part of second perseopod from another specimen. 



