BY WILLIAM A. HASWELL, M.A., B.SO. 5? 



GrEXUS VIII. ? LlTHADIA, Bell. 



Sp. 1. ? Litliadia sculpta, sp. nop.. (Plate 6, fig. 5). Testa 

 regionibus gibbosis sulcis profunclis intersecta ; margine 

 laterali utrinque clentibus quatuor ; dentibusposticisiiullis ; fronte 

 lato, p?ene integro, sub-emarginato. 



Carapace broader than long, deeply snlcated. Sulci consisting 

 of a circumferential sulcus running round the whole of the 

 carapace, and two which are continuous with it and with one 

 another close behind the rostrum, and diverge as they pass 

 backwards and outwards to include between them an elongated 

 mesial elevation, pointed in front, and rounded posteriorly, which 

 is divided into two by a smaller transverse sulcus.*' The elevations 

 which these sulci circumscribe are rough, dilated, rounded and 

 granular, but do not develope pointed projections or teeth. 

 Lateral borders with four rounded teeth, of which the second is 

 bifurcate. Front broad, and slightly emarginate anteriorly, 

 granular above ; a low median ridge, passing back from it, crosses 

 the circumferential sulcus and becomes continuous with the mesial 

 elevation. Sternum coarsely tubercular ; external maxillipedes 

 closely resembling those of L. cumingii as figured in Bell's 

 Monograph. Anterior limbs as long as the carapace ; arm coarsely 

 granular ; granules becoming elongated on the upper surface of 

 the wrist and hand into irregularly -placed conical teeth ; fingers 

 marked by longitudinal rows of granules, and with acute and 

 incurved points, which cross one another when the hand is closed. 

 Ambulatory legs covered with coarse granulations, which take the 

 form of short spines on the fourth and fifth joints ; tarsi hairy. 

 Abdomen of female granulated ; the intersegmental lines all 

 distinct ; a longituninal sulcus on each side of the middle line. 

 Colour pale brown with ill-defined. reddish spots; fingers crossed 

 near their tips by a transverse red stripe. 



The sulcated carapace of this species together with the form of 

 /he foot-jaws, etc., seem to bring it within the genus Litliadia of 



* These sulci are hardly so broad as they appear m the figure. 



