Contributions to the Crustacean Fauna of South Africa. 331a 



Uropods with a short, rather stout peduncle as long as the 

 terminal projection of the telson, of the inner ramus only 3 joints 

 remain, outer ramus 2-jointed. 



Length : 2'75 mm. 



Colour : Whitish, the eyes black. 



Locality: Sea Point, near Cape Town. 14/12/13. (K.H.B.) 

 Low-tide. One specimen. (S.A.M. No. A2660.) 



The specific name in allusion to the resemblance of the hand of 

 the first gnathopod to the avicularia of the Polyzoa, a resemblance 

 common to most species of the genus, but especially striking in the 

 present species. 



In general shape A. avicularia bears some likeness to A. timaruvia, 

 Chilton, and A. midticarinatus, Whitelegge, but the 6th pleon 

 segment and telson offer ready marks of distinction, not only from 

 the latter two species, but also from all others in the genus. 



FAMILY TANAIDAE. 



GEN. TANAIS, Audouin and M. Edwards. 



For references to the family and the genus see Barnard, Ann. 

 S.A. Mus. vol. 10, pt. 7, p. 197. 



TANAIS ANNECTENS, n. sp. 

 (Plate XXVII. C.) 



Body smooth and glabrous except for a band of plumose setae on 

 the 1st and 2nd pleon segments. Head with 1st peraeon segment a 

 little broader than long, anterior margin with a very small median 

 projection, eyes well developed, dark. Peraeon segments all equal. 

 Pleon consisting of 5 segments, the 4th only half the length of the 

 preceding ones, telson broader than long, apex rounded, entire, 

 lateral margin with 1 seta. 



First antenna equal to width of head, 1st joint longest, 2nd -J as 

 long as 1st, with apical tuft of long plumose setae, 3rd slender, half 

 the length of 1st, 4th minute, apically setose. 



Second antenna equal to length of head, 1st joint with strong setae 

 on outer apex, 2nd short, 3rd a little longer than 1st, with long 

 apical plumose setae, 4th joint equal to 1st, slender, 5th minute, 

 apically setose. 



Upper lip short, broad at base, narrowing rapidly to bluntly 

 rounded, setose apex, margins concave. 



