442 ON ALCYONARIANS FROM ZANZIBAR. [-^P^'- 1^, 



1902. RouLE, L. — Report on the ' Southern Cross ' Collections: 



Alcyonaria. 

 1896. ScHENCK, A. — " Clavulariiden, Xeniiden und Alcyoniiden 



von Ternate." Abhandl. Senck. nat. Ges., Bd. xxiii. 



Heft 1. 

 1878. Studer, Th. — " Uebersicht der Anthozoa Alcyonaria der 



' Gazelle.' " Monats. k. Akad. Wiss. Berlin. 



1887. Ibid. — "Yersuch eines Systems der Alcyonaria." Ai-ch. 



fiir Naturg. 53 Jahrb. vol. i. fasc. i. 



1888. Ibid. — " On some new Species of the Genus Spongcdes from 



the Philippine Is. and the Japanese Seas." Ann. Mag. 

 Nat. Hist. (6) i. 



1889. Ibid. — Supplementary Report on Alcyonaria of the ' Chal- 



lenger,' vol. xxxii. 

 1901. Ibid. — " Alcyonaires provenant des Campagnes de I'Hiron- 

 delle." Resviltats des Campagnes Scientifiques du Prince 

 de Monaco. 



1905. Thomson, J. A., & Henderson, W. D. — "Ceylon Pearl- 



Oyster Fisheries Reports — Alcyonaria," No. xx. Roy. 

 Soc. Lond. 



1906. Thomson, J. A. — Appendix to ditto. 



1864. Yerrill. — " List of Polyps and Corals, with Annotations." 



Bull. Mus. Comp. Zool. Harvard College, vol. i. p. 29. 

 1868. Ibid. — "Critical remarks on Halcyonoid Corals." Amer. 



Journ. Sci. & Arts, ser. 2, vol. xlv. pp. 411-416. 

 1897. Whitelegge. — "The Alcyonaria of Funafuti: Part ii." 



Mem. Austr. Mus. iii. part 5. 

 1889. Wright & Studer. — Report on the Scientific Results of 



the Yoyage of H.M.S. ' Challenger.' — Alcyonaria, 



vol. xxxi. 



EXPLANATION OF THE PLATES. 



PxATE xxvr. 



Fig. 1. Pteroeides rigidxmi, sp. n. Seen from the prorachidial side. About nat. 

 size. p. 438. 



2. Fteroeides rigidum, sp. n. Seen from tlie metaracliidial side. About nat. 



size. p. 43b. 



3. Fteroeides hracliycaulon Kolliker. A single pinnule, showing median zooid- 



plate and 18 calcareous rays. X 2. p. 438. 



4. Yirgularia mulUcalycina, sp. n. Portion of metarachidial surface covered 



wiih polyps. X 12. p. 437. 



5. Yirytdaria multicalycina, sp. n. Portion of prorachidial surface, with 



ramifying nutritive canals. X 12. p. 437. 



Plate XX VH. 



Fig. 1. Fteroeides pulchellum, sp. n. A single pinnule, showing polyps, median 

 zooid-plate, and four rays. X 8. p. 439. 



2. Pte7'oeides pidchellum, sp. n. Metarachidial aspect. X 2. p. 439. 



3. Nephthya eanzibarensis, sp. n. A few polyps. X 16. p. 421. 



i. Nephthya armata, sp. n. A terminal cluster of polyps. X 14. p. 422. 



6. Nephthya zanziharensis, var. mollis n. Note the absence of the large 



cortical spindles. X 20. p. 422. 



