THE TERllESTRlAl. ISOPODA OK NATAL. 573 



Habitat. — Town Bush, Pietermaritzburg, Natal, April, 

 1903. (H. C. B. and E. W.) 

 Type. — In the Natal Museum. 



In the form of the antennuhe, cephalon, uropoda, and telson 

 this species differs from any described form. I have much 

 pleasure in associating with it the name of Mr. H. C. Burnup. 



4. Cubaris natalensis n. sp. PI. XLI, figs. 11-20. 

 Body oblong oval, convex, smooth. Cephalon (PI. XLI, 

 figs. 11 and 12) small. Hanked by the pleural plates of the 

 1st segment of the mesosome, anterior margin distinct, lateral 

 lobes sinall ; epistome with sloping dorsal portion, in the 

 middle of which is a diamond-shaped concavity, sunken 

 laterally with median ridge. Eyes of moderate size, situated 

 dorso-laterally. Antennula? short and robust, S-jointed. 

 Antennae (figs. 13 and 14) short, setaceous, 2nd to 5th joints 

 grooved on their outer side ; flagellum 2-jointed, the distal 

 joint being twice as long as the pi-oximal one. First maxillae 

 (fig. 15), outer lobe terminating in four stout curved spines 

 and five smaller inner ones. The segments of the mesosome 

 are convex, almost subequal excepting the first, pleural plates 

 of 2nd to 4th segments slightly excavate, remainder truncate, 

 posterior angles small and very slightly produced backwards. 

 Segments 1 and 2 with well-marked notch and groove on the 

 underside of the inner margin (tig. 17). Maxillipedes 

 (fig. 16) wide and stout, outer lobe terminating in a multi- 

 spinous process ;uid three spines, inner lobe with three tooth- 

 like spines, basal plate setose. Uropoda (figs. 18 and 19) not 

 extending beyond the telson, ventrally concave with thickened 

 rim on the anterior border, basal plate thick, strongly raised 

 and convex dorso-laterally, posterior margin truncate, antero- 

 dorsal surface prominent and widely expanded ; exopodite 

 small, extending to the inner mai-gin of the basal plate, endo- 

 podite stout and twice the length of exopodite, setaceous. 

 Telson (fig. 20) longer than the width of the posterior margin 

 and extending slightly beyond the uropoda, lateral margins 



