372 Annals of the South African Museum. 



margins creuulate ; in $ rami comparatively shorter than in g , inner 

 ramus only just extending to telsonic apex, both rami more ovate. 



Length : 10 mm. ; breadth : 4'5 mm. 



Colour : In spirit pinkish or yellowish. 



Locality: Cape Hangklip 1ST. by E., distant 12 miles (False Bay). 

 13 fathoms. 1 ^ and 1 ovigerous $ in a gallery in a sponge ; 

 Rocklaud Point NW. | W., distant 2 miles (False Bay). 23 fathoms. 



1 cJ. s.s. "Pieter Faure." 19/11/03 and 8/6/00. (S.A.M. Nos. 

 A4163 and A4174.) 



GROUP EUBRANCHIATAE. 



GEN. CYMODOCELLA Pfeffer. 



1887. Cymodocella Pfeffer, Jahrb. Wiss. Anst. Hamb. vol. 4, pp. 18, 



20, 69. 

 1914. Barnard, Ann. S.A. Mus. vol. 10, pt. 11, p. 421 



(references). 



CYMODOCELLA CANCELLATA n. sp. 

 (Plate XVI. Figs. 10-14.) 



Male. Body without setae or pilosity, surface between the segments 

 with very minute honeycombed reticulation. Head with anterior 

 margin nearly straight, thickened, with a small projecting point sepa- 

 rating 2 circular pits for the insertion of the 1st antennae, a transverse 

 ridge between the eyes, obscurely quadrituberculate. In front of this 

 ridge are 2 submedian tubercles and a median group of 3, of which 

 the middle one is the largest ; a tubercle on inner margin of eye and 



2 submedian ones just above the front margin of head. Best of the 

 surface minutely granular. Eyes normal in size. 



Peraeon segment 1 with antero-inferior angles reaching well forward, 

 inferior margin thin ; centre of segment with a transverse row of 6 

 large round-topped tubercles ; posterior margin with a raised trans- 

 verse ridge, swelling out into 10 rounded tubercles ; rest of the surface 

 irregularly granulate. 



Peraeon segments 2-6 each with a raised transverse ridge across the 

 centre, swelling out into 10 rounded tubercles, the outermost being 

 just above the junction with side-plate ; a more or less regular row of 

 granules in front of and behind the ridge on each segment. 



Peraeon segment 7 with a similar ridge forming the hind margin 

 and somewhat projecting, especially the two submediau tubercles, 

 anterior portion of the segment granular. 



