436 ON THE AUSTRALIAN BRACHYTJRA OXYRHYNCHA, 



armed with an acute spine, directed forwards and outwards, at 

 its antero-external angle, the proximal joints of the flagellum 

 rather stout, and inserted underneath the outer border of the 

 rostrum so as to be partially visible from above. External 

 maxillipedes with the third joint slightly produced and auriculated 

 at its external angle. Anterior limbs, in the female, with the 

 arm and wrist finely tuberculated, the latter non-carinate, the 

 hand narrow, compressed, smooth, the fingers slender, acute ; in 

 the male larger than in the female, with the wrist not tuberculated, 

 provided with a strong denticulated longitudinal carina on the 

 outer surface, the hand much larger than in the female, and the 

 fingers stouter, the immovable finger being armed with a stout 

 tooth. Ambulatory legs of moderate length, decreasing in length 

 posteriorly, the penultimate joint very slightly dilated and 

 compressed, the terminal joint falciform. The carapace and 

 ambulatory limbs covered with hooked hairs which are stiffer 

 above the orbits, on the rostrum and on the penultimate joints of 

 the legs. Abdomen consisting of seven segments in the male, 

 five in the female. Length three-fifths in. 



Hob. Port Jackson (Australian Museum). 



This genus finds its nearest ally in Halimus from which it is 

 distinguished by the deflexed rostrum, and the absence of 

 prominent spines on the carapace. 



Genus Xenocarcinus, White. 



11. Xenocarcinus tuberculatus, White. 



Xenocarcinus tuberculatus, White, Append. Jukes' Toy. Fly, p 36, (1847) : 

 Proc. Zool. Soc., p. 119, (1847) ; List Crust. Brit. Mus., p. 123, (1847) ; 

 Annals and Mag. Nat. Hist. (ser. 2) I. p. 221, (1848) ; E.J. Miers, Crust. 

 Erebus and Terror, p. 1, pi. 2, fig. 1 ; A. Milne-Edwards, Nouvelles Archives 

 du Museum, tome viii., p. 253. 



Hab. Cumberland Group (White) ; Viti and Loyalty Islands 

 (Paris Museum. 

 I have not seen this species, nor the next. 



