New Crustacea from the Swan River Estuary. 
49 
of dorsal fusion in the abdomen. The telson, to judge from Chilton’s figure, 
differs also in that it is as wide proximally as more distally, whereas in 
Cruranthura it is a distinctly narrowed proximally. 
Of the genera possessing a seventh pereiopod Cruranthura comes near- 
est to Paranthura, Bate and Westwood 1863, but differs in the form of 
the maxillipeds, the presence in the latter genus of the characteristic flat 
flagellum on antenna 2, and differences in the structure of antenna 1. 
Generic features: Cruranthura is distinguished then, by the fact that 
it has eyes, the maxilliped is two-segmented, the uropodal exopod arches 
over the telson, the abdominal segments are fused dorsallv, and the seventh 
pereiopod is absent. 
LITERATURE CONSULTED FOR ANTHURIDAE. 
Barnard, K. H. : 
1914: Contributions to the Crustacean Fauna of Sth. Africa 3. Ann. S. Afr. 
Mus., X, pt. 2, pp. 359-442. 
1920: Ibid, 6 Ibid., XVII, pt. 5, pp. 319-438. 
1925: A revision of the family Anthuridae. J our n. Linn. Soc., Vo-1. XXXVI 
pp. 109-160. 
1935: Report on some Amphipoda, Isopoda and Tanaidacea in the Indian 
Museum. Rec. Ind. Mus., XXXVII, pp. 279-319. 
1940 : Contributions to the Crustacean Fauna of St. Africa. Aim. S. Afr. 
Mus., XXXII, pp. 381-543. 
Bates, C. S., and Westwood, J. O., 1868: A History of the British Sessile-eved 
Crustacea, Vol. II. 
Beddard, F. E., 1886: Rep. on Isopada, second part. Challenger Reports, XVII, 
Chilton, C. : 
1881: Additions to New Zealand Crustacea. Trans. N.Z. Inst,, XIV, pp 
171-174. 
1881a. On some Subterranean Crustacea. Ibid. pp. 174-180. 
1.882: Further additions to the New Zealand Crustacea, Ibid., XV. pp. 69-86. 
1894: Subterranean Crustacea of New Zealand. Trans. Linn. Soc , Loud., 
Zool, VI, pt. 2, pp. 163-284. 
1906: Note on some Crustacea from Freshwater Lakes in New Zealand 
Proc. Zool. Soc., 1906, pp. 702-705. 
1924: Fauna of the Chilka Lake. Isopoda. Mom, Ind. Mus., 5, pp. 519-558. 
Gerstacher, 1882: Isopoda in Bronn's Thierreieh, Vol. V. pt. 2. 
Hansen, H. J., 1916: Crustacea Malacostraca, pt. 3. Danish Ingolf. Exp. Ill, 
pt. 5, pp. 1-262. 
II a swell, W. A.: 
1881: On some New Australian Marine Isopoda, pt. 1. Proc. Linn. Soc. 
N.S.W., V, pp. 470-480. 
1884: On a new Crustacean inhabiting the tubes of Vermilia. Proc, Linn 
Soc,, N.S.U IX, pt. 3, pp. 676-679. 
1885: A Revision of the Australian Isopoda. Ibid., pt. 4, pp. 1001-1018. 
Hodgson, T. V., 1910: Isopoda. Nat. Antarct, Exp. Vol. V. pp. 1-77 
Kertsinghe, 1931: On Mcsanihura maculaia. Spot. Zcylan., 16, pp. 129-130. 
Monod, T., 1927 : Sur un Anthuride Nouveau du Cameroun, N otanthura Bar- 
nardi. Nov. Gen. Nov. Sp. Bull. Soc. Zool., Paris 52 pp. 200-211. 
Norman, A. H., and Stebbing, T. R. R., 1886: Crustacea Isopoda from the 
“Lightning,” “Porcupine” and “Valorous” Expeditions, pt. 1. Trans. 
Zool. Soc., Lond., XII, pt. 4, pp. 77-141. 
