78 ATTSTBALTAN MALACOSTBACA. 



spine on its outer surface, and a larger one at its antero- internal 

 angle. Hands with two spines above, one on the inner margin 

 above the base of the mobile finger, and another on the outer 

 margin above the articulation with the wrist. Ambulatory legs 

 flattened, and of moderate length. Colour reddish yellow, with 

 three large circular spots of bright red with a pale margin on 

 the posterior half of the carapace, and others upon the legs. 



Port Jackson ; Moreton Bay, etc. Pound also in New 

 Zealand, and throughout the Indian Ocean and Eastern 

 Archipelago. 



133. Neptunus tomentosus. A.M. 



Neptunus tomentosus, Haswell, 1. c. 



Carapace slightly convex, finely granular and short-tomentose ; 

 shape approaching that of AmpJiitrite ; breadth about once and 

 a half the length. Pront quadridentate, the teeth rounded, the 

 median rather more prominent and rather narrower than the 

 outer, separated by a deep fissure. Upper orbital margin with 

 two fissures. Antero-lateral borders with eight acute forward- 

 curved teeth, the last nearly twice as long as the others. 

 Anterior border of arm with three acute teeth ; posterior border 

 unarmed. Wrist strongly ridged, with a very long acute spine 

 internally, and two short acute spines externally ; hand strongly 

 ridged, with one spine at the base, and two above the articulation 

 of the mobile finger. Pingers of both hands with small sub- 

 equal teeth. 



Port Jackson. 



This species is closely allied to Lupa pubescens of Dana (U.S. 

 Explor. Exped., Crust., i., p. 274, pi. xvi., fig. 9), but differs from 

 it in having the frontal teeth rounded, the median pair being a 

 little more prominent than the others, in having the last tooth of 

 the lateral margin relatively shorter, and in wanting the stout 

 basal tooth on the mobile finger. 



Genus Scylla, De Haan. 



Carapace very wide, and rather convex. Latero-anterior 

 margins with nine teeth, the ninth similar to the preceding. 

 Basal joint of the external antennas large, flagellum inserted in 

 the internal orbital hiatus. Epistome well developed, anterior 



