OF CRUSTACEA FROM SINGAPORE. 



117 



Carapace transversely ovate, very slightly convex, smooth, and 

 shining ; regions strongly defined, especially behind ; edge fringed 

 with long hairs. Front slightly prominent in the middle. Clie- 

 lipedes very large, equal, densely covered on the upperside with 

 long hairs, smooth and shining white on the underside ; wrist 

 shorter than the hand and hollowed out on the inner side. Next 

 three pairs of legs short and weak, covered with long hair on the 

 upperside ; dactylus very small and curved ; merus strong, as 

 long as the two following joints. Last pair of legs long, slender, 

 and almost naked ; the last joint polished and horn-coloured, 

 with a brush of hairs at the extremity. Length in. ( = 8 mil- 

 lim.). Width in. ( = 10 millim.). 



DESCEIPTION OF THE PLATES. 



Plate VI. 

 Fig. 1. Maia Miersi, c?. 



2. Ditto, underside of orbital region. 



3. Ditto, abdomen. 



4. Doclea tetraptera, . 



5. Ditto, underside of orbital region. 



6. Ditto, left chelipede. 



7. Ditto, abdomen. 



8. 8*. Ditto, hairs (magnified). 



Plate VII. 

 Xantho scaberrimus, . 



Plate VIII. 

 Fig. 1. PorceUanella jiicta. 



2. Ditto, left chelipede. 



3. Onychomorpha lamelligera. 

 4t. Goniosoma incsquah. 



5. PetroUsthcs corallicola, var., chelipede. 



6. Diogenes avarus, cephalothorax. 



7. Ditto, chelipede. 



Plate IX. 

 Fig. 1. Poll/onyx cometes. 



2. Front view of ditto. 



3. Right chelipede of ditto. 



4. Caphyra Archeri. 

 6. Chelipede of ditto. 



6. Typhlocarchms villosus. 



7. Left chelipede of ditto. 



8. Abdomen of ditto, S • 



9. Semrma Bocourti, chelipede of 



LTNN. JO URN. — ZOOLOGY, VOL. XX. 11 



