South African Crustacea. 249 



The specimens were obtained by Mr. Keppel Barnard, after whom 

 I do myself the pleasure of naming the species. 



GEN. LETJCOSIA, Fabricius. 



1798. Leucosia, Fabricius, Suppl. Ent. Syst., p. 349. 

 1896. Alcock, J. Asiat. Soc. Bengal, vol. 65, p. 209. 

 190G. Nobili, Bull. Sci. France-Belgique, vol. 40, p. 97. 



1907. Leucosides, Rathbuu, Mem. Mus. Comp. Zool., vol. 35, p. 68. 



The retention of Leucosia, Fabricius, and the propriety of 

 ignoring Leucosia, Weber, with some similar questions of nomen- 

 clature depend on the argument which I have used in Journ. 

 Linn. Soc. Zool., vol. 29, p. 333, 1905. 



LEUCOSIA WHITEI, Bell. 



1855. Leucosia white! , Bell, Tr. Linn. Soc. London, vol. 21, p. 289, 



pi. 31, fig. 2. 

 1896. Alcock, J. Asiat. Soc. Bengal, vol. 65, pp. 214, 



225 (with synonymy). 



1910. Leucosides whitei, Rathbuu, Mem. Ac. Sci. Denmark, ser. 7, 



vol. 5, p. 310. 



The South African specimen which I refer to this small 

 species is a female, devoid of all the ambulatory limbs, with a 

 carapace 10 mm. long by 9 mm. broad. It is fairly in agreement 

 with Bell's figures and description, the palm of the chelipeds being 

 "tumid, scarcely longer than broad," and in particular the broadly 

 oval pleou of the female has colour markings " interrupted in the 

 middle" which indicate boundaries of coalesced segments. 

 These markings, however, indicate a coalescence of four 

 segments, rather than only three, of which Bell and Alcock 

 speak. 



Locality. Umhloti Eiver, N. N.W. H miles ; depth 27 fathoms. 

 A 3277. " 



FAMILY RANINIDAE. 

 (See Ann. S. A. Mus., vol. 6, pt. 4, p. 339, 1910.) 



GEN. RANLNOIDES, Milne Edwards. 



1837. Raninoides, Milne Edwards, Hist. Nat. Crust., vol. 2, pp. 191, 



196. 



