362 Annals of the South African Museunl. 



AEGA GBACILIPES, Hansen. 



1895. Aega gracilipcs, Hansen, Isop. Plankton Exp. p. 15, pi. 1, 



figs. 6-6c ( 3 ). 

 1901. Eicharclson, Proc. U.S. Nat. Mus vol. 23, 



p. 533. 

 1905. id. Bull. U.S. Nat. Mus. No. 54, p. 183, 



figs. 167, 168. 



Flagellum of first antenna 14-jointed. Second antenna extending 

 to posterior margin of 2nd peraeon segment, flagellum 17-jointed. 



Length : 24 mm. ; breadth : 12 mm. 



Colour : In spirit, uniform yellowish. 



Locality: Cape Point N.E. N. distant 39 miles. 310-560 

 fathoms. 17/9/03. 1 ovigerous ? . s.s. " Pieter Faure." (S.A.M. 

 No. 150980.) 



Geogr. Distribution : N. Atlantic, 59 N. 8'5 W., 1524 metres 

 (Hansen) ; Gulf of Mexico, 730 fathoms (Richardson). 



AEGA MONOPHTHALMA, Johnston. 

 (Plate XXXI. B.) 



1834. Acga monophthalma, Johnston, Lond. Mag. Nat. Hist. vol. 7, 



p. 233, figs. 43, b, nee c. 

 1868. ,, ,, Bate & Westwood, Brit. Sessile-eyed 



Crust, vol. 2, p. 286. 

 1877. ,, Schioedte & Meinert, I.e. ser. 3, vol. 11, 



p. 89. 



1879. ,, id. I.e. ser. 3, vol. 12, p. 89. 



1897. Sara, Crust. Norw. vol. 2, p. 62, pi. 26, 



tig. 1. 



Body glabrous, very finely punctate, the 5th-7th peraeon 

 segments and the whole of the pleon appearing somewhat eroded. 



Head, with the exception of a small triangular portion in the 

 middle of the posterior margin, completely occupied by the eyes, 

 which are in contact for about 9 rows of facets ; rostrum completely 

 separating the bases of 1st antennae, curving downwards and meeting 

 the frontal lamina. The latter is shield-shaped, longer than broad, 

 concave, anterior margin bisinuate with the median lobe projecting 

 further than the lateral lobes (more strongly bisinuate than in Bars' 

 figure). 



First peraeon segment slightly the longest, 7th the shortest, the 

 rest subequal, anterior margin of 1st segment deeply bisinuate, 

 posterior margins of all segments granular. Epimera distinct on 



