Contributions to the Crustacean Fauna of South Africa. 413 



Second to seventh peraeopods similar, outer margin of 2nd joint 

 expanded and keeled, most prominently on the 6th peraeopod. 



Marsupial plates overlapping in the middle line. Position of 

 developing embryos not determined, as no ovigerous females have 

 been seen. 



Male appendages on 7th peraeon segment contiguous, short, stout, 

 with blunt apices. 



First to third pleopods with 2 hooked spines on inner apex 

 of peduncle. Outer ramus of 1st pleopod larger than inner, with 

 prominent outstanding spine in middle of outer margin. Male stylet 

 on 2nd pleopod a little longer than ramus, stout, slightly enlarged 

 subapically, apex blunt. 



Uropods extending slightly beyond telsonic apex, more so in $ 

 than in $ , inner ramus broad, apex roundly truncate, outer ramus 

 narrower and rather longer than inner, inner margin straight, outer 

 convex, apex pointed. 



Length: $ 16mm., ? 11 mm. ; breadth: $ 8mm., 5 5'5 mm. 



Colour : Heller gives a good description of one colour variety. 

 Other variations are as follows : Slaty grey, either uniform or with 

 the darker patches mentioned by Heller, these patches being so 

 arranged as to leave a dumb-bell-shaped light grey median stripe, 

 one end of which is on segments 3 and 4, the other end on the 

 telson, where it is flanked on either side by a longitudinal dark 

 band (characteristic of young specimens from St. James) ; brown 

 with the head, a median patch on peraeon segments 3 and 4, and on 

 pleon segments 1-4, telson and uropods white ; white with head and 

 peraeon segment and the lateral portions of pleon segments 1-4 

 red-brown ; whitish with a black V-shaped mark, diverging anteriorly, 

 on peraeon segments 3-5, the pleon, telson and uropods mottled 

 with black, on the posterior portion of the body the white 

 ground colour becomes a brilliant green which however is soon 

 lost in spirit (this last variety characteristic of large males from 

 Sea Point). 



Locality : Dassen Island, April, 1897 (R. M. Lightfoot) ; Hout 

 Bay, 11/2/14 (K.H.B.) ; Sea Point, near Cape Town, 13/4/14 

 (K.H.B.) ; St. James, False Bay, March, 1901 (Dr. W. F. Purcell), 

 May, 1912 (K.H.B. ), and 9/2/14 (S. H. Haughton). $ 3 , ovigerous 

 ? ? and juv. In crevices of rocks which are left dry at low-tide, 

 where they harmonize well with the encrusting algae. (S.A.M. 

 Nos. A2549, A2669, A2727, 9855, A2284 and A2668 respectively.) 



Types (3 $ (?) in the k.k. iiaturh. Hofrnuseum in Vienna. 



