56 ON AUSTRALIAN LEUCOSIIDiE, 



side of which are two roundod lobes. Gastric region with one 

 mesial longitudinal, and two lateral oblique ridges, the latter of 

 which stop short about the posterior boundary of the region, 

 while the former becomes dilated posteriorly and becomes merged 

 in the prominent pointed eminence occupying the cardiac region. 

 Hepatic regions much depressed. Epibranchial regions depressed; 

 meso and metabranchial slightly dilated, with two tubercular 

 elevations — the anterior elongated and double, the posterior 

 conical. Anterior limbs about twice as long as the carapace ; 

 hand compressed, and keeled above ; fingers slightly curved, 

 pointed, strongly ridged, and armed with rounded teeth. 

 Ambulatory limbs about equal to the carapace in length ; 

 propodos dorsally carinate. Colour light red. 



Length and breadth 3^- limes. 



Hah. Port Jackson ; (Australian Museum). 



■ 

 Genus VI. — Nuesia, Leach. 



Sp. 1. Nursia sinuata, Miers, (I. c, p. 240, pi. 38, fig. 28). 

 Testa convexa, latiore quam longiore, regione cardiaca tuberculis 

 tribus ; marginibus posterioribus et postero-lateralibus prof unde 

 sinuatis, dentibus septem fere eequalibus instructis ; maim 

 compressa, sed vix carinata. 



Hah. Moreton Bay. (Brit. Mus.). 



Genus VII. — Nursilia, Bell. 



Sp. unic. Nursilia dentata, Bell, (I. c, p. 309, pi. 34, fig. 6). 

 " Testa latior quam longior, margine polygono, fronte producto. 

 Orbita bifissa, extrorsum aperta. Fossae antennariae obliquae. 

 Pedipalpi externi epistomati superantes, caule exteriori curvo, 

 medio dilatato ; interiore elongato ; margine interno arcuato. 

 Pedes antici graciles, manu tumida, digitis curvis, dentatis, manu 

 longioribus." (Char. gen. J 



Hob. Fitzroy Ids. (Chevert Exped.). 



