384 CEYLON PEARL OYSTER REPORT. 



Fig. 7. Cytherwa amcinna, n. sp., from above. 

 ,, 8. ,, ,, right side, x 72. 



,, 9. Cythere hum, n. sp., from right side. 



10. above, x 72. 



,, 11. Cythere chalmersi, n. sp., from right side. 



12. above, x 61. 



13. Cythere iiiUhurni, n. sp., from right side. 



14. above, x 76. 



,, 15. Cythere thompsoni, n. sp., from right side. 



16. above, x 60. 



,, 17. Cythere donnani, n. sp., from right side. 



18. above. x37 - 5. 



,, 19. Cythere willeyi, n. sp., from right side. 



,, 20. ,, ,, above, x 46. 



,, 21. Cythere hornelli, n. sp., from right side. 



22. ,, above, x 72. 



,, 23. Cythere halyi, n. sp., from right side. 



24. ,, ,, above, x 60. 



,, 25. Cythere kelaarti, n. sp., from right side. 



26. ,, above, x 60. 



,, 27. Cythere vMlisi, n. sp., from right side. 



28. above, x 47. 



,, 29. Cythere colletti, n. sp., from right side. 



30. ,, above, x 72. 



31. Cythere holdsworthi, n. sp., from right side. 



32. ,, ,, above, x 70. 



33. ( 'ythirella ondaatjei, n. sp., from right side. 



,, 34. ,, ,, ,, above, x 60. 



,, 35. Cytherella waspillaii, n. sp., from right side. 



,, 36. ,, ,, above, x 60. 



37. Sarsu lla gracilis, postabdomen. x 70. 



38. Sarsiella similis, x 120. 



39. Sarsiella crispata, x 70. 



,, 40. Sarsiella carinata, x 70. 



41. ,, antennule. x 70. 



42. Sarsiella tumida, postabdomen. x 70. 



43. Codonocera cruenta, postabdomen. x 70. 



,, 44. modified seta of antennule. xllO. 



45. ,, prehensile branch of antenna, x 70. 



,, 46. Xestolebris irrasa, antennule. x 260. 



,, 47. antenna, x 156. 



48. Xestolebris squamigera, antennule. x 260. 



,, 49. ,, antenna, x 156. 



HARRISON AND SONS, PRINTERS IN ORDINARY TO HIS MAJESTY, ST. MARTIN'S LANE, LONDON. 



