218 CRUSTACEA. 



Plate 12, fig. 6 a, male, enlarged three diameters; b, extremity of 

 abdomen, enlarged; c, front view of front, showing process p, &c.; d, 

 outline of back. 



Sooloo Sea, or Balabac Passage. 



Length of carapax, three and two-thirds lines; greatest breadth, five 

 and one-half lines; ratio of length to breadth, 1 : 1'5. The hairs of 

 the surface and legs are much finer than in the pilumnoides, and have 

 a brown colour. The anterior legs are very similar to those of that 

 species; but the areolation of the carapax is much less distinct, and 

 the antero-Iateral teeth are simple and slender. 



PlLODIUS NITIDUS. 



Carapax bene nitidus, anticd optimO; areolatus, areolis plerumque plants, 

 1 R, 2R sulco discrete, 1 R 2-3 tuberculis anticd ornatd ; margine 

 antero-laterali bene &-dentato, dentibus duobus posticis acutis. Pedes 

 antici spinis valde armati, digito mobili prope basin interdum spinu- 

 loso, carpo intus duobus spinis tenuibus acutis armato. Pedes 8 postici 

 pubescentes, articulo tertio supra armato. 



Carapax shining, anteriorly very distinctly areolate, areolets very neat, 

 and mostly with a flat surface, 1 R, 2 R separated by a furrow, 1 R 

 having two or three tubercles on its anterior margin ; antero-late- 

 ral margin five-toothed, the two posterior acute. Anterior feet 

 strongly armed with spines, moveable finger sometimes spinulous 

 near base, carpus having two slender spines on inner angle. Poste- 

 rior eight feet pubescent, third joint armed along upper margin. 



Plate 12, fig. 7 a, male, enlarged three diameters; b, right arm, en- 

 larged four diameters; c, extremity of abdomen; d, leg of third or 

 fourth pair, enlarged three diameters ; e, front view of front. 



Reef of Tutuila, Samoan Group. 



Length of carapax, three and one-third lines ; greatest breadth, five 

 lines; ratio of length to breadth, 1 : 1'5. The polished surface of this 



