AUSTRALIAN MALACOSTRACA. 35 



margin with two prominent spines, of which the anterior is the 

 larger ; a prominent spine about the middle of the branchial 

 region ; infero-branchial region armed anteriorly with a row of 

 about nine short blunt, serrated teeth, and behind with a prominent 

 flattened tooth situated behind the insertion of the anterior legs, 

 and a tuberculated ridge just above the base of the ambulatory 

 legs. Front obliquely depressed, prominent, ending in one 

 mesial, longer, and two lateral, shorter, teeth. Anterior legs two 

 and a half times the length of the carapace and rostrum ; a row 

 of seven to twelve conical or compressed teeth on the anterior 

 margin of the arm, four or five conical teeth or more elongated 

 spines on its upper surface, and three more or less prominent 

 spines on its posterior border ; hand with a row of four to six 

 larger, and four to five smaller, triangular spines on its outer 

 border, and about ten of similar shape on its inner ; fingers stout, 

 only slightly crossed at the tips when closed. Posterior limbs 

 having the third, fourth, and fifth joints armed above with a 

 toothed ridge, most prominent on the third joint, which is armed 

 also below with two rows of small tubercles. Length 1^ inch. 



Darnley Island, Torres Straits ; Cape Grrenville (Macleay 

 Museum) ; Port Denison ; Port Molle, fourteen fathoms ; Port 

 Curtis (W. A. H, H.M.N. "Alert"). ' 



56. Lambrus calappoides. 



Parthenope calappoides, Adams and White, 1. c, p. 34, pi. v., 

 fig. 5 ; Haswell, /. c, p. 452. 



Carapace sub-triangular, truncate behind, rounded in front ; 

 upper surface covered with wart-like, rather depressed, tubercles; 

 sides at the fore-part with an obtuse rounded lobe, behind which 

 is a deep notch ; branchial regions very much developed, covered 

 with tubercles, with a ridge of larger tubercles extending to the 

 latero-posterior angles, and deeply incised at short, regular 

 intervals round the edges ; the middle region with a row of large 

 rounded tubercles, the anterior of which are close together, and 

 the posterior isolated ; two hollows between the lateral and 

 middle regions, and two deep pits behind the hollows. Front 

 wide, obtuse, rounded anteriorly, slightly emarginate at the end, 

 faintly dentatecl on the sides, and tuberculiferous on the upper 

 surface. Fore-legs rather short and stout ; third joint verrucose, 



