242 CEYLON PEARL OYSTER REPORT. 



LIST OF WORKS REFERRED TO. 



(1.) BRADY. Report on the Foraminifera collected by H.M.S. " Challenger." 



(2.) CHAPMAN. " Foraminifera obtained by H.M.S. ' Investigator' near the Laccadive Islands." ' Proc. 



Zool. Soc.,' 1895, pt. i. 



(3.) MILLET." Foraminifera of the Malay Archip." < Journ. Microscop. Soc.' 1889-1902. 

 (4.) MURRAY. " List of Forams. collected in Bay of Bengal." ' Scottish Geographical Mag.' 1889. 

 (5.) EGGER ' Abhandl. k. Bayer. Akad. Wiss. Miinchen.' 1893. 

 (6.) FLINT." Recent Foraminifera." ' Report U.S. Nat. Mus. for 1897.' 

 (7.) CARTER. 'Ann. and Mag. Nat. Hist.' June and July, 1880. 



EXPLANATION OF THE PLATE. 



Fig. 1. Specimen of Ramulina herdmani, n. sp., showing relation of ampullae to pipes, x 2. 



2. Another specimen, showing a series of ampullae, x 2. 



3. Specimen to show ampullae in two planes connected by pipes, x f . 



4. An ampulla, to show surface, x 19. 



5. " Mouth " on an ampulla, showing processes, x 16. 



6. Section showing wall of an ampulla, x 22. 



7. Hauerina complanata, n. sp. x 48. 



8. Nodosaria cylindracea, n. sp. x 73. 



9. Miliolina terquemiana, BRADY, x 47. 



10. The same, oral view, x 47. 



11. Sagrina raphanus, PARKER and JONES, abnormal, x 58. 



12. Polytrema miniaceum, LINN., large specimen, x 8. 



13. Amphistegina kssonii, D'ORB. x 20. 



14. Heteroslegina depressa, D'ORB. x 23. 



