JOUENAL 



OF THE 



EOYAL MICROSCOPICAL SOCIETY 



JUNE, 1910. 



TRANSACTIONS OF THE SOCIETY. 



VIII. — Antipatharians from the Indian Ocean. 



By Sophia L. M. Summeks, M.A. B.Sc. 

 (Natural History Department, University of Aberdeen.) 



(Bead March 16, 1910.) 



(Plate V.) 



The Antipatharians here reported on were collected for the most 

 part at Ibo, in Portuguese East Africa, by Mr. Jas. Simpson, 

 M.A. B.Sc, Carnegie Fellow, University of Aberdeen. A few were 

 collected in the Mergui Archipelago by Mr. E. N. Eudmose- 

 Brown, B.Sc, and Mr. Simpson. 



The collection includes fourteen species, of which three are new. 

 The list is as follows. 



EXPLANATION OF PLATE V. 



Fig. 1. — Antipathes abies Gray. Arrangement of spines, main axis. 



2. — A. salicoides sp. n. Arrangement of spines near the tip of the axis. 



3. — Pteropatlies simpsoni sp. n. Arrangement of spines. 



4. — Antipathes salicoides sp.n. Arrangement of spines, main stem. 



5. — Stichopathes bispinosa nom. n. Arrangement of spines. 



6. — Antipathes abies Gray. Showing forked spines. 



7. — A. salicoides sp. n. Polyps on main branches. 



8. — A. tristis Duchassaing. Arrangement of spines. 



9. — Cirripathes indica sp. n. Arrangement of spines. 

 10. — Sticlwpathes bispinosa. Polyps. 

 11. — S. echinulata. Polyps. 



June 15th, 1910 u 



