458 A CONTKIBUTIOX TO INDIAN CARCINOLOliV. 



Plate XL. 



Fig. 1 Alpheus malabaricus (Fahr.), front from above. 



2. Ditto, large chelipede. 



3. Ditto, small chelipede. 



4. Palcemon altifrons, sp. n., anterior portion of carapace. 



5. Ditto, chelipede. 



6. Ditto, apex of telson. 



7-10. Pal<Binon Dayanus, sp. n., anterior portion of carapace in four examples. 



11. Ditto, chelipede. 



12. Ditto, fingers, showing grooved surface. 



13. Ditto, apex of telson. 



14. Leander tenuipes, sp. n., nat. size. 



15. Ditto, apex of telson. 



16. yEyeon orientalis, sp. n., dorsal view, x 2. 



17. Ditto, side view of cephalothorax. 



18. Angasia Stimpsonii, sp. n. x H. 



19. Ditto, dorsal view of cephalothorax. 



20. Ditto, telson. 



21. Penaus compressipes, sp. n. x IJ. 



22. Ditto, telson. 



23. Gonodactylus Demanii, sp. n., dorsal view, x 3. 



24. Ditto, sixth abdominal segment and telson from al)ove. 



