Crustacean Fauna of South Africa. 137 



Fifth peraeopod, 2nd joint obliquely truncate, inferior angle rounded 

 and reaching to end of 3rd, 3rd longer than 4th, anterior apex bevelled 

 off, with 5 spinules, 4th narrowly produced half way along the anterior 

 margin of 5th, 5th longer than 4th, 6th equal to 4th and 5th together, 

 7th equal to 6th, tapering gradually. 



First uropod, raini subequal, longer than peduncle, margins of 

 peduncle sparsely spinose, inner ratnus closely spiuose, outer unarmed. 



Second uropod, rami subequal, shorter than peduncle, both margins 

 of peduncle and both i-ami spinose. 



Third uropod, peduncle with 2 spines on inner margin, rami 

 elongate-lanceolate, outer quite slender, confronted margins feebly 

 setose. 



Length : 14 mm. and 10 mm. 



Colour : In spirit, pale pinkish. 



Locality: Umhloti River mouth NW. i W., distant 15 miles 

 (Natal). 100 fathoms. 1 ovigerous ? and 1 young; Beacon E. of 

 East London N. i E., distant 10 miles. 52 fathoms. <$ and 

 ovigerous??. s.s. " Pieter Faure." 19/12/00 and 12/7/01. (S.A.M. 

 Nos. A2760 and A2747.) 



This species is very near A. spinipes Boeck, but differs in the 3rd 

 and 4th pleou segments and the 1st gnathopod. 



AMPELISCA NA.TALENSIS n. sp. 

 (Plate XXVI. Fig. 7.) 



Except for the serrate outer ratnus of 3rd uropods these specimens 

 are very near to the figures of A. serraticaudata Chevreux. Delia 

 Valle in 1893 unites serraticaudata with rubella Costa, and in 1900 

 Chevreux (Re's. Camp. Monaco vol. 16, p. 44) adopts this synonymy. 

 But Chevreux's figure of the 2nd joint of 5th peraeopod of his species 

 is utterly different from Delia Valle' s figure of that of rubella. There 

 is also a difference in the eyes, the corneal lens being apparently 

 present in serraticaudata, but absent in rubella. 



As there still remains some doubt, therefore, with regard to 

 Chevreux's species, I consider it best to institute a new one for the 

 present specimens. 



Corneal lens distinct, small, the lower in the antero-inferior angles 

 of head, 4th pleon segment slightly indented basally, keel rising 

 gradually, its upper margin straight, posterior end rectangular, 

 postero- inferior angle of 3rd pleon segment with a slightly produced 

 point. 



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