300 CEYLON PEARL OYSTER REPORT. 



Dadylophuda liavel-ocki, n. sp., female, from left side, x 80. 



anterior antenna, x 159. 



,, posterior antenna, inner branch. x 200. 



., mandible palp. x 260. 



,, 2nd maxilliped. x 260. 



,, 1st natatory leg. x 195. 

 5th x 130. 



,, ., last abdominal segment and furca. x 130. 



19. Dactyloplmsia hirsute, n. sp., female, from left side, x 80. 



,, 20. ,, ,, ., anterior antenna. x 195. 



21. ,, ,, 2nd maxilliped. x 195. 



22. ,, 1st natatory leg. x 156. 



23. .. 5th x 156. 



24 ,, ,, ,, last abdominal segment and furca. x 111. 



,, 25. Dactyloplmsia ceylonica, n. sp., female, from left side, x 64. 



,, 26. ,. .. ,, anterior antenna. x 156. 



,, 27. ,, ,, ,, 2nd maxilliped. x 156. 



28. ,, .. 1st natatory leg. x 156. 



29. 5th x 98. 



,, 30. ,, ,, male, 1st inner branch. x 98. 



31. 2nd x 156. 



32. .. 5th .. x 130. 



PLATE X. 



Fig. 1. Dactyloplmsia Itamiltmi, n. sp., female, from left side, x 80. 



,, 2. ,, anterior antenna. x 120. 



,, 3. .. .. .. posterior x 181. 



4. ,, ,, ., 2nd maxilliped. x 260. 



,, 5. ,, ,, ,, 1st natatory leg. x 195. 



,, 6. 5th x 195. 



,, 7. ,, ,, last abdominal segment and furca. x 181. 



,, 8. Parastenlielia simili% n. sp., female, from left side, x 106. 



,, 9. ,, ,, anterior antenna. x 260. 



,, 10. ,, 2nd maxilliped. x 390. 



11. ,, ,, 1st natatory leg. x 260. 



12. 4th x 195. 



., 13. ,, ,, 5th x 260. 



,, 1 4. ,, ,, last abdominal segments and furca. x 260. 



,, 15. Stenhelia hnoxi, n. sp., female, from left side, x 106. 



,, 16. ,, .. ,, anterior antenna. x 390. 



,, 17. ,, 1st natatory leg. x 390. 



18. ,, 5th x 195. 



,, 19. Dactyloplmsia robusta, n. sp., female, from left side, x 159. 



20. ,, anterior antenna. x 390. 



,,21. ,, ,, 2nd maxilliped. x 390. 



22. ,, 1st natatory leg. x 260. 



23. 5th x 260. 



,, 24. ,, ,, last abdominal segments and furca. x 260. 



