118 ATTSTBALIAN MALACOSTBACA. 



216. Leuoosia unidentata. 



Leucosia unidentata, DeHaan, Crust. Japon., p. 133, t. xxxiii., 

 fig. 3 ; Haswell, Proc. Linn. Soc. N.8.W., Vol. iv., p. 44. 



Eront uni-dentate ; thoracic sinus circular in front, circum- 

 scribed by very broad tubercles ; arms with two rows of tubercles 

 on the upper surface. 



Torres Straits (Brit. Museum). 



217. Leucosia orbicularis. 



Leucosia orbicularis, Bell, Trans. Linn. Soc, Vol. xxi., p. 284, 

 pi. xxx., fig. 1 ; Haswell, 1. c, p. 44. 



Carapace orbicular, front broad, very short, tridentate ; thoracic 

 sinus absent ; sternum in both sexes granulated in front. [_B.] 



Coasts of Australia (Brit. Museum). 



218. Leucosia ocellata. 



Leucosia ocellata, Bell, 1. c, p. 289, pi. xxxi., fig. 1 ; Haswell, 

 1. c, p. 45. 



Carapace rhomboidal ; front tridentate ; gastric region marked 

 with four small red spots, of which the two anterior are 

 ocellated. [i?.] 



Eastern Australia (Brit. Museum) ; Keppel Bay (Macleay 

 Museum). 



219. Leucosia Whitei. 



Leucosia Whitei, Bell, 1. c, p. 289, pi. xxxi., fig. 2 ; Haswell, 

 1. c, p. 45. 



Carapace rhomboid ; front produced, minutely tridentate ; 

 hepatic and branchial regions with three or four granules'; arms 

 tomentose, covered everywhere with large tubercles. [_B.] 



Princess Charlotte Bay ; Cape G-renville ; Brook Island 

 (Macleay Museum). 



220. Leucosia reticulata. 



Leucosia reticulata, Miers, Trans. Linn. Soc, 1877, p. 237, 

 pi. xxxviii., figs. 13-15 ; Haswell, 1. c, p. 45. 



