KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 59. N:0 |. 23 



25. Eehberg, H., Xeue und wenig bekannte Korallen. — Abh. naturw. Verein Hamburg, XII, Heft 1, 1893. 



26. Semper, C. Ueber Generationswechsel bei Steinkorallen und iiber das M. Edwards'sche Wachsthumsgesetz 



der Polypen. — Zeitschr. fur wiss. Zoologie, XXII. Leipzig 1872. 



27. Tenison-Woods, J. E., Onthe extra-tropical corals of Australia. -- Proc. Linn. Soc. X. S. Wales, II, Sydney 



1877. 



28. , On a new species of Psauimoseris. — Proc. Linn. Soc. N. S. Wales, III, Sydney 1878. 



29. Vaughax, T. W., A critical review of the literature on the simple genera of the Madreporaria Fungida, with 



a tentative classification. — Proc. U. S. Xat. Museum, XXVIII, Washington 1905. 



30. Verrill, A. E., Synopsis of the polyps and corals of the north Pacific exploring expedition. — Communi- 



cations Éssex Inst., IV, V, Salem 1864- 186(1. 



Explanation of the Plate. 



Fig. 1. Flabellum angiosiomum Folkesox 1918. Xat. size. 



> 2. The same specimen. Xat. size. 

 3. The same specimen. Xat. size. 



» 4. Heterocyathus aequicostatus Edwards & Haime 1848. X 3,3. 



5. The same specimen. X 3,3. 



6. The same species, another specimen. > 2,9. 

 » 7. The same specimen as 6. x 2,7. 



8. The same species, another specimen. X 2,h. 



9. The same specimen as 8. X 1,9. 



> 10. Heterocyathus alternatus Verrill 1864. x 3,4. 

 » 11. The same specimen. X 3,4. 



» 12. Spongiocyathus typicus Folkesox 1918. X 2,6. 



13. The same specimen. x 2. 



» 14. The same species, another specimen. X 2,7. 



• 15. The same specimen as 14. x 2. 



» 16. Paracyathus porphyreus Alcock 1893. X 4,r>. 



» 17. The same specimen. X 4,5. 



18. Paracyathus projundus Duncax 1886. < 4.4. 



» 19. The same specimen. X 4,4. 



20. Lithophyllia margariticola (Kluxzinger 1879). X 1,5. 



» 21. The same specimen. X 1,5. 



>• 22. Trachyphyllia amarantus (Dana 1846) juv. X 1,5. 



» 23. The same specimen. X 1,5. 



• 24. Favia rasta (Kluxzixger 1879) Matthai 1914. x 1,5. 



» 25. PoJyphyllia producla Folkesox 1918. fV of the nat. size. 



» 26. The same specimen. x 2. 



• 27. PolyphyUia novae-hiberniae (Lessox 1833). x 3. 

 » 28. Leptopsammia columna Folkesox 1918. x 4. 



» 29. The same specimen. v 8. 



Trvekt den 5 februari 1919 



Uppsala 1919. Almqvist i Wiksells Bokti-yckeh-A.-B. 



