142 Annals of the South African Museum. 



Third uropod, rami subequal, longer than peduncle, foliaceous, 

 ovate, outer margins of both setose. 



Length: 8 mm. 



Colour : In spirit, whitish. 



Locality: Umhloti River rnouth NW. | W., distant 15 miles (Natal). 

 100 fathoms, 2 (?) ? ? . s.s. " Pieter Faure." 19/12/00. (S.A.M. 

 No. A2761.) 



FAMILY HAUSTOBIIDAE. 



1882. Pontoporeidae G. O. Sars, Forh. Selsk. Christian, no. 18, p. 22. 

 1888. Stebbing, Challeug. Eep. vol. 29, p. 804. 



1891. G-. O. Sars, Crust. Norw, vol. 1, p. 121. 



1904. Aryissidae Walker in Herdmau's Ceyl. Pearl Fish. Suppl. Rep. 



17, p. 246. 

 1906. Haustoriidae Stebbiug, Das Tierreich, 21, pp. 118, 722. 



I fail to see any imperative need for the creation of the family 

 Argissidae for the two genera Argissa and Platyischnopus ; the 

 differences between these two genera being as great as the differences 

 between them and the other genera of Haustoriidae. 



GEN. PLATYISCHNOPUS Stebbing. 



1888. Platyischnopus Stebbing, Challeug. Eep. vol. 29, p. 830. 

 1893. Platyschnopus Delia Valle, F. u. Fl. Neapel. vol. 20, p. 784. 

 1897. Platyischnopus Chilton, Ann. Mag. Nat. Hist. ser. 6, vol. 19, 



p. 1, pi. 5. 

 1904. Walker in Herdman's Ceyl. Pearl Fish. Suppl. 



Eep. 17, p. 247. 

 1906. Stebbing, Das Tierreich, 21. pp. 122, 722. 



PLATYISCHNOPUS MIRABILIS Stebbing. 



1888. Platyischnopus wirabilis Stebbiug, I.e. p. 830, pi. 58. 

 1893. Delia Valle, I.e. p. 785, pi. 60, fig. 36. 



1914. Stebbing, Ann. S. Afr. Mus. vol. 15, 



pt. 1, p. 32. 



The s.s. "Pieter Faure" collected a specimen of this species at 

 Saldanha Bay. 10 fathoms. 19/3/02. (Stebbing.) 



Geogr. Distribution: Port Jackson, 2-10 fathoms (Stebbing); Bahia 

 (Stebbing). 



