62 AUSTRALIAN MALACOSTKACA. 



103. Chlorodius niger. A.M. 



Cancer niger, Forskal. 



Chlorodius niger, Milne-Edwards, Hist. Nat. des Crust., i., 

 p. 401 ; Dana, U.S. Explor. Exped., Crust., i., p. 216, pi. xii., 

 fig. 5 ; A. M.-Edw., Nouv. Arch, du Mus., t. ix., p. 211. 



Chlorodius hirtipes, Adams and White, Zoology of H.M.S. 

 " Samarang," Crust., p. 40, pi. x., fig. 4. 



Chlorodius cytherea, Dana, 1. c., i., p. 213, pi. xii., fig. 2. 



Chlorodius nebulosa, Dana, 1. c., t. 1., p. 214, pi. xii., fig. 3. 



Carapace nearly plane above, with a few smooth rounded 

 lobules on the hepatic and anterior branchial regions. Antero- 

 lateral borders with four lobes, of which the two last may be 

 acute. Anterior legs small, arm with a minute spine on its 

 anterior border, sometimes replaced by a few tubercles, wrist 

 with a blunt spine. Hand and fingers smooth. 



Port Jackson ; Darnley Island, etc. A widely distributed 

 species. 



Family II EBIFHIIDM. 



Palate distinctly divided by a ridge defining the margin of the 

 efferent canal. Carapace usually narrow, sometimes broad, 

 antero-lateral margin rarely longer than the postero-lateral. 

 Eyes remote. 



Sub-Family Oziince. 



Carapace more or less transverse, not dilated at the sides. 

 Pingers acuminate. Internal ant enure transverse. Orbit with 

 an internal hiatus occupied by the base of the antenna 1 . 

 Abdomen of the male with seven articulations. 



G-enus Oziits, Leach. 



Carapace transverse, flattened. Antero-lateral margin usually 

 dentate and shorter than the postero-lateral. Palate with a 

 strong ridge on either side. External antennas with the basal 

 joint completely reaching the front, the flagellum entering the 

 internal orbital hiatus. Anterior legs with the fingers not 

 spoon-excavate at the extremity ; ambulatory legs of normal 

 shape, not cristate above. 



