CRUSTACEA. 
35 
Front wide, obtuse, rounded anteriorly, slightly emarginate at the end, faintly dentated 
on the sides, and tuberculiferous on the upper surface. 
Fore-legs rather short and stout ; third joint verrucose, with a strong anterior spiniferous 
crest ; fourth joint smooth externally, with a row of tubercles on the inner surface ; fifth 
joint with a row of large tubercles, extending from the upper claw to the base of the joint, on 
the inner surface, outer keel smooth and without spines ; claws large and strong, the lower 
one with three large teeth. 
Abdomen, in the female, seven jointed, and covered with flattened tubercles. 
Hab. Eastern Seas. 
2. PART TIEN OPE TARPEIUS, Adams fy While. (Tab. VII. Pig. 2.) 
Tliorace subtrigono, compluribus lsevibus depressis rotundatis tuberculis, in regionibus mediana et 
laterali majoribus obsito : lobo rotundato integro, in margine latero-anteriore ; alto sinu lobum a lateralibus 
regionibus dividente ; lateralibus regionibus dilatatis, rotundatis, postice angustatis, magnis superficialibus 
crenationibus circiun margines ; posteriore margine serie validorum obtusorum subconicalium tuberculorum 
extrorsum et retrorsum directis. 
Fronie lata obtusa rotundata subcrenulata, alte sulcata, vix lasvi in superiore superficie. 
Chelis validis tuberculiferis, bracbiis uno magno et compluribus minoribus tuberculis in acie anteriore ; 
carpo lrevi, exterue noduloso ; manu subtuberculifero latere in interiore superficie ; pedibus posterioribus 
depressis, marginatis depressis subtriangularibus obtusioribus processibus. 
Aldomine in femina septem-articulato, obsito tuberculis, fimbriato crebris setis. 
Hab. Maria Orientalia. 
Carapace subtrigonal, covered with numerous smooth, depressed tubercles, larger in the 
middle and lateral regions ; a rounded entire lobe on the latero-anterior margin, and a deep 
notch, which separates it from the lateral regions, which are dilated, rounded, narrowed 
posteriorly, with large superficial crenations round the edges ; the hind margin with a row of 
strong, obtuse, sub-conic tubercles, directed outwards and backwards. 
Front wide, obtuse, rounded, subcrenulate, deeply channelled, and nearly smooth on 
the upper surface. 
Fore-legs strong, tuberculiferous ; third joint with one large and several smaller tubercles 
on the front edge ; fourth joint smooth, externally nodulous ; fifth joint with a rather faint 
tuberculiferous ridge on the inner surface ; hind-legs flattened, edged with flattened, sub- 
triangular, bluntisli processes. 
Abdomen, in the female, seven-jointed, covered with tubercles, fringed with close-set setae. 
Hab. Eastern Seas (Caramatta Passage). 
LAMBRUS, Leach. 
[ Additional Species .] 
11. LAMBRUS HOPLONOTUS, Adams S,' White. (Tab. VII. Pig. 3.) 
Tliorace subpentagono, antice acuminato, ad latera subangulato, postice lato, obsito rotundis sequis 
tuberculis, majoribus et crebrioribus in regionibus mediana et branchiali ; lateribus crenatis antice, armatis 
