Crustacean l''<<i/ua of South Africa. 227 



of A. recens, 4th and 5th joints with the scabrous lobes small in 1st, 

 but large in 2nd guathopod. 



First and second peraeopods feebly spinulose, 4th and 6th joints 

 with spinules on both margins, 5th spinulose only on hind margin, 

 finger with a very minute setule on inner apex. 



Third to fifth paraeopods, 2nd joint oval, hind margin with very 

 slight setiferous serrations, 4th and 6th joints spiuulose on both 

 margins, finger with a very minute setule. 



First and second uropods with marginal spines on inner ramus only. 



Third uropod, peduncle with 3-4 apical spines, ramus nearly as long 

 but only half as wide, tipped with 5 setae. 



Length : <$ 9 mm., ? 5-6 mm. 



Colour : In spirit, whitish, eyes dark brown. 



Locality : Salt River, near Cape Town. October, 1898. (Dr. W. F. 

 Purcell.) 5 ^ J , 3 ovigerous ? $ "in brackish pool " ; East 

 London. July, 1914. (R. M. Lightfoot.) 3 <$ <$, 2 ovigerous ? ? 

 " found amongst a number of Talorchestia on the beach.'' (S.A.M. 

 Nus. 10030 and A3053.) 



Geoyr. Distribution: New Zealand (Dana, Thomson, Chilton) ; 

 Campbell Island (Chiltou). 



Thus it will be seen that the only differences between the South 

 African and the New Zealand specimens lie in the shorter 3rd joint of 

 the 1st antenna, the larger eyes, and the more prominent defining 

 angle of the hand of 2nd gnathopod. 



As mentioned above under Talorchestia quadrispinosa, there is one 

 specimen 5 mm. long from Salt Eiver which has a normal <$ 1st 

 gnathopod, but a 2nd gnathopod resembling that of the $ . It is, 

 however, stouter than in the ? , the 6th joint especially being much 

 broader than in the ? . 



PAEORCHESTIA DASSENENSIS 11. sp. 

 (Plate XXVIII. Figs. 1, 2.) 



': 1843. Ore/test ia Lottae Krauss, Siidafr. Crust, p. 60. (uon M. 



Edwards 1840.) 



Male. Body fairly compressed, back rounded. Eves fairly large, 

 round, their distance apart greater than their diameter. Side-plate 1 

 smaller than and partly concealed by 2, side-plates 2-4 shallower than 

 their segments and longer than deep, upper half of posterior margin 

 a hove posterior angle excavate, 5 as deep as 4. Postero-inferior angle 

 of pleou segments 1-3 quadrate, with a very shortly produced point, 

 posterior margin quite smooth. 



