AUSTEAUAN MALACOSTEACA. 139 



one another, only produced to the segment bearing the second 

 pair of legs, terminating in tubercles. Legs like those of 

 Dromia, but nodose. 



Species of small size. 



264. Oryptodromia lateralis. A.M. 

 Dromia lateralis, Gray, Zool. Misc. 



Oryptodromia lateralis, Stimpson, Proc. Acad. Nat. Sci. Philad., 

 p. 226 (1858). 



Carapace sub-globose, evenly convex, front rather produced, 

 three-lobed, the median lobe deflexed, the lateral lobes triangular. 

 Antero-lateral margins with two teeth and a smaller tooth upon 

 the pterygostomian region. Anterior legs with arm and wrist 

 tuberculated, hand granulous externally, and tuberculated above ; 

 ambulatory legs with the distal extremities of the joints nodose. 



Port Jackson (very common) ; Port Stephens ; Tasmania, etc. 

 Pound also in New Zealand. 



This species almost invariably has a sponge fixed on its 

 carapace, covering it completely. 



Genus Deomia, Pabr. 

 Carapace pilose, sub-orbiculate, front sub-triangulate, narrow, 

 the eyes approximated. Peet thick, short ; fourth and fifth 

 short, sub-dorsal. Sternal sulci in the female approximated. 



265. Dromia australiensis. A.M. 

 Dromia australiensis, Haswell, Proc. Linn. Soc. N.S.W., Vol. vi. 

 Carapace longer than broad, evenly convex above, covered, 



together with the under-surfaee and limbs, with adpressed hairs. 

 Pront strongly deflexed, three-toothed, the mesial tooth small 

 rounded, directed downwards, not visible when the carapace is 

 viewed from above, the lateral teeth more prominent, obtuse. 

 Upper orbital margin very prominent, forming a rounded lobe ; 

 infra-orbital tooth prominent, conical. Antero-lateral border 

 convex, with three teeth, the first of which is the largest, while 

 the other two are sub-equal and rudimentary ; a small tooth 

 behind the cervical groove. Chelipedes slightly nodose. Length 

 1 inch ; breadth If inch. 

 Port Denison (W.A.H., H.M.S. "Alert") ■ Port Jackson. 



