AUSTRALIAN MALACOSTRACA. 91 



small papilla 1 , as is also the upper edge of the hand ; fingers 

 overlapping at the tips, irregularly toothed on the inside. [ White.'] 



Port Curtis ; mud banks. 



Sub- Family Ocypodince. 



Carapace very convex anteriorly. Front narrow. Internal 

 antenna^ longitudinally plicate. External antenna? placed at a 

 short distance from the front. Fourth joint of the external 

 maxillipedes exposed, third shorter than the second. \_M.~] 



Genus Helcecius, Dana. 



Internal antenna? longitudinal, inserted near the front on each 

 side, external somewhat remote from the front. Third joint of 

 the external maxillipedes shorter than the second. Anterior 

 legs of the male sub-equal. Second and third joints of the 

 external maxillipedes distinctly marked with a nearly longitudinal 

 linear furrow. Second joint of the abdomen in the male scarcely 

 narrower than the sternum. \M.~\ 



158. Heloecius cordiformis. 



Gelasimus cordiformis, M.-Edw., Hist. Nat. Crust., ii., p. 53. 



Helcecius cordiformis, Dana, U.S. Explor. Exped., Crust., i., 

 p. 320, pi. xix., fig. 6 ; Heller, Reise der Novara, Crustacea, 

 p. 39 ; Miers, Cat. Crust. N.Z., p. 35. 



Helcecius signatus, Hess, Arch, fur Nat., Band xxxi., p. 115 

 (1865). 



Heloecius areolatus, Heller, Verhandl. der K. K. Zool.-botan. 

 Gesellsch. in Wien, Jahrg. 1862, Bd. xii., p. 519. 



Heloecius inomatus, Dana, U.S. Explor. Exped., Crust., i., 

 p. 321, pi. xix., fig. 7 ; Proc. Acad. Nat. Sci. Philad., 1851, v. 218. 



Carapace convex, broad in front and narrowed posteriorly. 

 Front slightly narrowed below. Lower orbital margin ceasing 

 to be distinct before reaching the level of the external margin 

 of the buccal cavity. Hand smooth, and as long as the carapace 

 is broad, palm swollen and much longer than high, fingers shorter 

 than the palm and spoon-excavate. Ambulatory legs smooth. 

 Length f in. ; breadth ll/12ths. in. 



Port Jackson ; Tasmania. Found also in New Zealand. 



