EXPLANATION OF PLATES. 



Plate I. 



Fig. 1. Leucosides uraiiia, Koh Kahdat, c?i 24'9 mm. wide. 



— 2. Pseudophilijra tridentata, between Koli Mesan and Koh Chuen, d, 6'9 mm. wide. 



— 3. Piliimnus dorsipes, Koli Kram, Q juv., 10'4 mm. wide, dorsal view. Same specimen as fig. 9. 



— 4. lialimcde ochlodes, Koh Kahdat, immature Ç, 17'5mm. wide. 



— 5. Cri/ptopodia Iwinmana, between Koli Mesan and Koh Chuen, 9, 261 mm. wide. 



— 6. Tijphlocarcinus niidus, between Koh Kahdat and Koli Kut, d, 6'2 mm. wide. 



— 7. Parlhenope {Pseudolambrus) harpax, Koh Chuen, 9i 27-7 mm. wide. 



— 8. Pilumnus boiradailei, type d, 10 mm. wide. 



— 9. — dorsipes, ventral view. Same specimen as fig. 3. 



— 10. Chasmocarcinops gelasimoides, d, in Amussium pleuronectes. 'U. 



— 11. Arcania siamensis, type 9i 24-5 mm. wide. 



— 12. Per.tephona elegans, Koh Chang, c?, 94 mm. wide. 



— 13. Pseudophilijra melita, between Koli Riat and Koh Mesan, 9, 113 mm. wide. 



— 14. Leucosides longifrons pulcherrima, Koh Kahdat, cJ, 18 mm. wide. 



— 15. Pilumnus cærulescens, Koh Kahdat, c?, 10'4 mm. wide. 



— 16. Leucosides haswelli, Koh Chuen, c?, 17-2 mm. wide. 



— 17. Ebalia woodmasoni, Koh Kahdat, Ç, 6'7 mm. wide. 



— 18. Mortensenella forceps, Koli Cliang, c?, 68 mm. wide. 



— 19. Halimede thurstoni, Koh Kam, 9, 20-8 mm. wide. 



Plate II. 



Fig. 1. Thaumastoplax orientalis, type c?, 126 mm. wide. 



— 2. Scalopidia spinosipes, Koh Samit, d, 19Ô mm. wide. 



— 3. Macrophthalmus convexus, Koh Chang, o". 19 5 mm. wide. 



— 4. Merionia lanka, between Koh Mesan and Cap Liant, 9, 5-3 mm. wide. 



— 5. Megœsthesius sagedœ, type cj, 2-7 mm. wide. 



— 6. Heleropanope scxangula, type 9, 7 mm. wide. 



— 7. Halimede thurstoni, Koh Kam, juv., 6*8 mm. wide. 



— 8. Pinnotheres cardii, between Koh Chuen and Koh Chang, 9, 5-8 mm. wide. 



— 9. — parvulus, Lem Ngob, 9, 85 mm. wide. 



— 10. Charybdis lucifera (Fabricius). Cotype of Goniosoma quadrimaculatum A.Milne Edwards, c?, 



5cSl mm. wide. 



— 11. Charybdis af/inis, Lem Ngob, d- 43-6 mm. wide. 



— 12. Chasmocarcinops gelasimoides, Koh Chang, cf, 13'1 mm. wide. 



— 13. Xenophthalmus obscurus, Koh Kut, d, 9-1 ram. wide. 



— 14. Asthenognathus hexagonum, type 9, 7-8 mm. wide. 



— 15. Cycloxantlwps lineatus, north of Koh Chuen, d, 7 2 mm. wide. 



— 16. Typhlocarcinops canaliculata, type d, 36 mm. wide. 



— 17. Philyra olivacca, type d, 78 mm. wide. 



— 18. Carpilodcs lophopus, between Koh Mesan and Koh Chuen, 9. 105 mm. wide. 



