152 Annals of the South African Museum. 



little shorter than 1st, 3rd short, flagellum longer than peduncle, ca. 

 34-jointed, accessory flagellum minute. 



Second antenna reaching to middle of 2nd peduncular joint of 1st 

 antenna, ultimate peduncular joint shorter than penultimate, thin and 

 somewhat laminate, flagellum shorter than ultimate peduncular joint, 

 ca. 10-jointed, but joints very indistinct. 



Mandibular palp rather short and stout, 3rd joint a little longer 

 than 1st and shorter than 2nd. 



The other mouth parts without particular features. 



First guathopod, inner margin of process of fifth joint not serrulate, 

 6th joint saine width throughout, inner margin finely denticulate, 

 finger length of 6th. 



Second gnathopod, 5th joint ending subacutely, 6th elongate-oval, 

 palm defined by a blunt angle, with 3 large blunt-pointed tubercles 

 and a small one near hinge, the 2 large ones nearest hinge close 

 together, between them and the other large tubercle a narrow and 

 rather deep gap, between the last large tubercle and the angle of palm 

 some small irregular denticles, finger equal to palm with a rather deep 

 semicircular incision at base, bounded by a denticle. 



Peraeopocls not very slender, almost totally devoid of spines. 



First and second uropods also almost spineless ; third uropods lost. 



Length : 12 mm. 



Colour : In spirit, pale pinkish. 



Locality : Cape St. Francis NE., distant 29 miles. 75 fathoms. 

 2 <$ <$ ; Sandy Point (near Cape Morgan) NE. by 1ST., distant 6 miles. 

 51 fathoms. 1 juv. <$ ; s.s. " Pieter Faure." 19/2/02 and 14/8/01. 

 (S.A.M. Nos. A167 and A3399.) 



The distinctive marks of this species are the length of the first 

 antennae, whence the specific name, and the 2nd gnathopod. 



FAMILY STENOTHOIDAE. 



1871. Stenothoinae Boeck. Fork Selsk. Christian. 1870, p. 138. 



1888. Stenothoidae Stebbing, Challeng. Eep. vol. 29, p. 747. 

 1892. G-. 0. Sars, Crust. Norw. vol. 1, p. 234. 



1900. ,, Chevreux, Ees. Camp. Monaco, vol. 16, p. 55. 



1901. id. Bull. Soc. Kouen, vol. 36, p. 233. 



1906. Stebbing, Das Tierreich, 21, pp. 192, 725. 



1907. Walker, Nat. Autarct. Exp. vol. 3, p. 18. 

 1910. Stebbing, Gen. Cat. S. A. Crust, p. 453. 



