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. Che- 
lipedes very large, equal, densely covered on the upperside with 
long hairs, smooth and shining white on the underside ; wu-ist 
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 T 4 ^ in. ( = 8 mil- 
lim.). Width yY- in. ( = 10 millim.). 
DESCRIPTION OF THE PLATES. 
Plate YI. 
Fig. 1. Maia Miersi, <y. 
2. Ditto, underside of orbital region. 
3. Ditto, abdomen. 
4. Doclea tetraptera, 
5. Ditto, underside of orbital region. 
6. Ditto, left cbelipede. 
7. Ditto, abdomen. 
8. 8*. Ditto, hairs (magnified). 
Plate VII. 
Xantho scpherrvrnus, rf. 
Plate VIII. 
Fig. 1. Porcellanella picta. 
2. Ditto, left chelipede. 
3. Onychomorpha lamelligera. 
4. Goniosoma iricequale. 
5. Petrolisth.es corallicola, var., chelipede. 
6. Diogenes avarus, cephalothorax. 
7. Ditto, cbelipede. 
Plate IX. 
Fig. 1. Polyonyx cometes. 
2. Front view of ditto. 
3. Right cbelipede of ditto. 
4. Caphyra Areheri. 
5. Cbelipede of ditto. 
6. Typhlocarcinus villosris. 
7. Left chelipede of ditto. 
8. Abdomen of ditto, $ . 
9. Sesarma Bocourti, cbelipede of $. 
LINN. JOURN. ZOOLOGY, VOL. XX. 
11 
