302 AUSTRALIAN MALACOSTRACA. 



520. Calyptura carnea. A.M. 

 Calyptwa carnea, Haswell, 1. c, p. 47G, pi. xvii., fig. 4. 

 Moderately convex, granulated. Head of moderate size, rather 



broader than long ; eyes oval, received into a notch in the anterior 

 border of the first segment of the thorax. First segment of the 

 thorax broader than the succeeding five ; lateral angles blunt. 

 Last segment of the thorax produced into a broad shield extend- 

 ing beyond and concealing the abdomen, narrowing behind to a 

 blunt apex, convex anteriorly, nearly flat in its posterior half, 

 but with a slight median longitudinal ridge. Abdomen short, 

 bisegmented, concealed by the last thoracic segment ; last segment 

 with a quadrangular median posterior notch, in the centre of which 

 is a squarish lobe. Caudal appendages extending slightly beyond 

 the extremity of the last thoracic segment ; rami subequal, ciliated 

 on the edges, the inner the longer, truncate, with an angular 

 tooth on its inner border ; outer ovate, pointed, the extremity 

 slightly curved outwards. Inner antennae broad at the base, 

 separated by a small frontal lobe, flagellum of eleven or twelve 

 articuli. Outer antenna? longer than the inner, flagellum of 

 fourteen or fifteen articuli. Colour crimson. Length \ in. 

 Port Jackson ; Port Stephens. 



Genus Amphoroidea, Milne-Edwards. 



Body convex. Head quadrilateral, broader than long. Last 

 segment of the abdomen and caudal appendages as in Spliceromrt. 

 Basal joints of the inner antenna? expanded into a broad plate. 



521. Amphoroidea australiensis. 



Amphoroidea australiensis, Dana, U. S. Explor. Exped., Crust., 

 Vol. ii., p. 785, pi. lii., fig. 11. 



Near A. tj/pica. The lamellar basal joint of the anterior 

 antenna? sparingly oblong, the apical margin arcuate, the outer 

 angle rounded. Flagellum of inferior antenna? 20- jointed. 

 Abdomen emarginatc behind, the emargination triangular ; 

 antero-lateral margin of last segment a little sinuous in outline. 

 Caudal appendages extending somewhat beyond line of extremity 

 of abdomen ; inner lamella straight truncate ; outer acuminate, 

 narrower than the same lamella in the typica. [_D.] 



New South Wales. 



