130 AUSTRALIAN MALACOSTRACA. 



248. Oreophorus rugosus. A.M. 

 Oreophorus rugosus, Stimpson, Proc. Acad. Nat. Sci. Philad., 



1858, sp. 259 ; A. Milne-Edwards, Ann. de la Soc. entom., 1865, 

 t. v., p. 152, pi. vi., fig. 3 ; Nouv. Arch, du Mus., t. x., p. 49. 



Carapace sub-pentagonal ; antero-lateral borders greatly 

 developed, forming a marked angle at the level of the anterior 

 branchial lobe, slightly undulated ; surface covered with deep 

 reticulations near the anterolateral borders and the branchio- 

 cardiac grooves ; branchial regions prominent, strongly dilated, 

 and more elevated than the gastric and cardiac regions. Cheli- 

 pedes nodular and slightly granular ; hand rugose ; fingers long, 

 curved inwards, and ornamented with fine denticulations on their 

 cutting edges. 



Port Denison (W. A. H.). Pound also on the coasts of China 

 and New Caledonia. 



G-enus Tlos, Adams and White. 



Carapace much wider than long, smooth, the lateral regions 

 concave with raised edges, with an anterior and posterior groove ; 

 lateral edges divided into three lobes ; the middle region with a 

 strong vertical ridge ending behind in an obtuse tubercle, and 

 on each side with two perpendicular, three-sided elevations. 

 Front entire, rounded, reflexed. Chelipedes with the third joint 

 triangular, the edges tuberculiferous, the fourth joint with two 

 tubercular ridges on the upper surface ; fifth joint with a tuber- 

 cular keel above ; claws slightly curved at the ends. Abdomen 

 of female oval, tuberculated, seven-jointed, surrounded by an 

 elevated ridge. [A. Sf W.] 



249. Tlos muriger. A.M. 



Tlos muriger, Adams & White, Zoology of H.M.S. "Samarang," 

 Crustacea, p. 58, pi. xiii., fig. 2. 



Carapace smooth ; lateral regions deeply excavated ; side- 

 margins with three lobes, hind margin excavated, a two-ridged 

 lobe with numerous small tubercles at the base. 



Port Molle, 11 fath. (W.A.H., H.M.S. "Alert.") Pound 

 also on the coast of Borneo. 



