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Show 384 PROF. F. J. BELL ON ECHINODERMS [June IP, Echinoids, all of which had been collected at Aripo by M. Alois Humbert. Of these four (Phyllacanthus annulifera, Temnopleurus reynaudi, Clypeaster humilis, and Luganum depressum), C. humilis has been found by Mr. Thurston. Of the Echinoderms collected by Dr. John Anderson, F.R.S., in the Mergui Archipelago, reports on the Ophiuroids by Prof. Martin Duncan, F.R.S., and on the Holothurians by myself have alone appeared as yet1; these, as well as the forthcoming reports by Dr. H. Carpenter and Mr. Sladen, should be consulted by the student who desires to make himself acquainted with the Echino-derm fauna of the Indian Ocean. I shall probably best serve the cause of brevity and clearness if I follow the arrangement of the Andaman Report, and give first a list of the species collected, and then some notes and descriptions of the new species. With regard to some of the Temnopluroid fornrs and a new Ophiuroid, apparently allied to Hemieuryale, I reserve an account till I can deal with them in monographical detail. As usual, there are a few Holothurians which cannot be at present satisfactorily determined. 1. Antedon palmata, Mull. 2. reynaudi, Mull. I. CRINOIDEA. I 3. Actinometra parvicirra, Mull. II. ASTEROIDEA. 4. Echinaster purpureus, Gray. 5. Linckia laevigata, Gmelin. 6. Antherea pentagonula, Lamk. 7. Oreaster lincki, De Bl. 8. superbus, Mbbius. 9. thurstoni, sp. n. 10. Asterina cepheus, M. Tr. 11. Luidia hardwickii, Gray. 12. maculata, M. Tr. 13. sp. (young). 14. Astropecten hemprichii, M. Tr. 15. sp. (young). III. OPHIUROIDEA. 16. Pectinura gorgonia, M. Tr. 17. intermedia, sp. nov. 18. Ophiocoma erinaceus, M. Tr. 19. Ophiothrix longipeda, M. Tr. 20. Ophiothrix nereidina, Lamk. 21. Ophiomaza cacaotica, Lyman. 22. Hemieuryalid. IV. ECHINOIDEA. 23. Temnopleurus toreumaticus, Leske. 24. Temnopleuroid. 25. Salmacis bicolor, Ag. 26. dussumieri, Ag. 27. sulcata, Ag. 28. Stomopneustes variolaris, Lamk. 29. Echinometra lucunter, Leske. 30. Clypeaster humilis, Leske. 31. Lagamnum decagonale, Less. 32. Echinodiscus biforis, Gm. 33. Echinolampas oviformis, Gm. 34. Lovenia elongata, And. 35. Rhinobrissus pyrarnidalis, A. Ag. 36. Brissus unicolor, Leske. 37. Metalia sternalis, Lamk. 1 Journal of the Linnean Society, Zool., vol. xxi. pp. 25 and 85. |
