6 AUSTRALIAN MALACOSTRACA. 



eye. Merus joint of the outer maxilliped.es somewhat auriculated 

 and produced at its antero- external angle. Anterior legs in male 

 enlarged, palm slightly compressed. Ambulatory legs with the 

 penultimate joint more or less flattened and dilated towards its 

 distal end. [J/.] 



8. Halimus tumidus. A.M. 

 Halimus tumidus, Dana, U.S. Explor. Exped., Crust., i., p. 1G5. 



Hess. Archiv fur Nat. 1865, p. 130. 



Cornua of rostrum of moderate length, widely divergent. 

 Carapace tumid ; sides armed with four to six spinules ; gastric 

 region with three small tubercles triangularly placed and another 

 faint one behind. Hand slender, broadest at base ; fingers nearly 

 or quite contiguous. Fifth joint of postci'ior feet twice as long 

 as wide. Basal joint of antenna? spiniform at distal and external 

 angle ; its outer border with 2-5 spinules. [_D.] 



Port Jackson ; Port Philip. 



9. Halimus spinosus. A.M. 

 Halimus spinosus, Hess, Archiv fur Nat. 1865, p. 129, pi. vi., 



fig. 1. 



? H. truncatipes, Miers, Ann. and Mag. Nat. Hist. (5) Vol. iv., 

 p. 3. 



Carapace with a tooth in the middle of the posterior border, 

 with six other teeth in a mesial longitudinal row ; on each side 

 of these a row of five tubercles armed with hooked hairs ; three 

 large teeth on the branchial region and three on the hepatic 

 region ; three teeth on the upper orbital border. Arm with a 

 spine on its upper surface. [Hess.'] 



Sydney. 



10. Halimus laevis. 



Halimus Icevis, Haswell, Proc. Linn. Soc. N.S.W., Vol. iv., 

 p. 435. 



Carapace neairly smooth above ; five tubercles on the gastric 

 region ; no spine on the posterior margin. Basal joint of the 

 antenna? with a sharp tooth at its antero-internal angle and a 

 spine at its antero- external angle. Anterior limbs very large in 

 the male ; arm with a conical tooth at the distal end of its upper 



