214 CRUSTACEA. 



and one-third lines; ratio of length to breadth, is 1 : 1-6. Differs from 

 C. niger in having the tooth S much less prominent than tooth T ; 

 also E is distinct, so that there are distinctly five teeth in all ; more- 

 over the areolets 1 L, 3 L, 4 L are more angular, instead of being 

 smooth and continuous with the lateral teeth, and the teeth N, T are 

 nearly or quite acute. 



CHLORODIUS NEBULOSUS. 



C. nigro affinis. Carapax Icevis, anticd obsolete areolatus, fronte parce 

 emarginato, regione antero-laterali rugato et subtilissimd granulato, 

 margins, antero-laterali 4-dentato (D, N, T, S), dentibus tribus posticis 

 acute spiniformibus. Pedes antici subcequi, sat breves, brachio paululo 

 saliente, carpo subtiliter granulato, intus acuto aut subacuto, manu 

 compressd, Icevi, digitis paulo camdiculatis. Pedes postici mediocres, 

 paulo pubescentes. 



Near C. niger. Carapax smooth, obsoletely areolate anteriorly or 

 not at all, front sparingly emarginate, antero-lateral region rugate, 

 very fine granulous, antero-lateral margin four-toothed (D, N, T, S), 

 three posterior teeth like acute spines. Anterior feet subequal, 

 rather short, the arm projecting but very little beyond the carapax, 

 carpus granulate, acute at inner angle or subacute, hand compressed, 

 smooth, fingers somewhat channeled. Posterior feet of moderate 

 size, a little pubescent. 



Plate 12, fig. 3, part of animal, much enlarged. 

 Sooloo Sea. 



Length of carapax of male, 2-2 lines; greatest breadth, 3 lines; 

 ratio of length to breadth, 1 : 1'36. Colour clouded with reddish 

 brown or brownish black. The short arm of this species distinguishes 

 it from the cytlierea, which it most resembles; moreover the carpus is 

 granulate as seen under a lens. The teeth of the lateral margin are 

 quite sharp, the orbital is very short, and there is a trace of E, in a 

 slight ruga; S is smaller than T, yet acute. The areolation is not 

 quite as distinct as shown in the figure of the C. cytherea. On the 



