ATJSTKALIAN MALACOSTBACA. 127 



granules. Arm obscurely triquetrous ; hand ridged above and 

 internally ; fingers acuminate, meeting when closed by the entire 

 extent of their finely-toothed inner margins. 



Dredged outside Port Jackson Heads (Macleay Museum). 



243. Phlyxia Ramsayi. A.M. 

 Phlyxia Ramsayi, Haswell, 1. a, p. 55. 



Carapace nearly square, covered, together with the limbs, with 

 close-set granules. Front with a slight median fissure, on each 

 side of which are two rounded lobes. G-astric 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^ lines. 



Port Jackson (Australian Museum). 



G-enus Ntiesia, Leach. 



Carapace polygonal, front produced. Orbits directed outwards. 

 Antennulary fossae transverse. Palp of the external maxillipedes 

 curved, dilated, obtuse in front and behind ; endopod^e with 

 the internal margin straight, the penultimate joint quadrate, the 

 last triangular. Anterior legs with the digits deflexed. Abdomen 

 of the male having the penultimate segment armed near its apex 

 with a dentiform process. [2?.] 



244. Nursia plioata. A.M. 

 Cancer plicatw, Herbst., Krabben, iii., t. 59, f. 2. 



Nwsia Hardwickii, Leach. Zool. Misc., iii., p. 20. 

 Nwsia plicata, Bell, 1. c, p. 307, pi. xxxiv., fig. 4. 



