128 ATJSTBALIAN MALACOSTBACA. 



Carapace with four teeth on either side, in the middle with 

 three tubercles forming a triangle, posteriorly with an elevated 

 transverse, tuberculated ridge ; front with four teeth. [_B.] 



Port Denison. 



245. Nursia sinuata. 



Nwsia sinuata, Miers, 1. c, p. 240, pi. xxxviii., fig. 28. 



Carapace convex, broader than long, cardiac region with three 

 tubercles ; posterior and postero-lateral margins deeply sinuated, 

 armed with seven almost equal teeth ; hand compressed but 

 hardly carinated. 



Moreton Bay (Brit. Museum). 



Grenus Nuesilta, Bell. 



Carapace broader than long, margin polygonal ; front produced. 

 Orbits with two fissures, directed outwards. Antennulary f ossae 

 oblique. External maxillipedes extending beyond the epistome, 

 the palp curved, dilated in the middle, the inner ramus elongate, 

 its internal border arched. Anterior limbs slender, hand swollen, 

 digits curved, dentate, longer than the hand. [2?.] 



246. Nursilia dentata. 



Nursilia dentata, Bell, 1. c, p. 309, pi. xxxiv., fig. 6 ; Haswell, 

 1. c, p. 56. 



Carapace rather broader than long, the margin laminated ; a 

 slight fissure between the hepatic and branchial regions ; an 

 obtusely triangular tooth on the margin of the former, and 

 three slight angular projections on the latter ; several small 

 projecting teeth on the surface of the carapace, and a longitu- 

 dinal carina, on the posterior half of which are three strong 

 spines curved forwards ; an elevated line on the branchial 

 region. Digits of the anterior legs finely toothed. [_B.] 



Mtzroy Islands (Macleay Museum). 



Grenus Lithadia, Bell. 



Carapace rhomboidal, rough, regions gibbous ; rostrum bifid, 

 deflexed. Orbits directed upwards and outwards. Antennulary 

 fossae oblique. External foot-jaws with the palp ensiform, 

 obtuse anteriorly ; the inner ramus lanceolate, longer than the 



