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 mouth NW. 3 W., distant 15 miles (Natal). 
100 fathoms,, 2 (?) 9%. s.s. “Pieter Faure.” 19/12/00. (S.A.M. 
No. A2761.) 
Famiry HAUSTORIIDAE. 
1882. Pontoporeidae G. O. Sars, Forh. Selsk. Christian. no. 18, p. 22. 
1888. Stebbing, Challeng. Rep. vol. 29, p. 804. 
1891. - G. O. Sars, Crust. Norw. vol. 1, p. 121. 
1904. Argissidae Walker in Herdman’s Ceyl. Pearl Fish. Suppl. Rep. 
17, p. 246. 
1906. Haustoriidae Stebbing, 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. 
Gren. PLATYISCHNOPUS Stebbing. 
1888. Platyischnopus Stebbing, Challeng. Rep. vol. 29, p. 830. 
1893. Platyschnopus Della Valle, F. u. Fl. Neapel. vel. 20, p. 784. 
1897. Platyischnopus Chilton, Ann. Mag. Nat. Hist. ser. 6, vol. 19, 
| O)sely 0) betas 
1904. = Walker in Herdman’s Ceyl. Pearl Fish. Suppl. 
Rep. 17, p. 247. 
1906. és Stebbing, Das Tierreich, 21, pp. 122, 722. 
PLATYISCHNOPUS MIRABILIS Stebbing. 
1888. Platyischnopus mirabilis Stebbing, l.c. p. 830, pl. 58. 
1893. pe FP Della Valle, Lc. p. 785, pl. 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). 
