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Show 442 ON ALCYONARIANS FROM ZANZIBAR. [Apr. 10, 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, T H . - " Uebersicht der Anthozoa Alcyonaria der ' Gazelle.' " Monats. k. Akad. Wiss. Berlin. 1887. Ibid.-"Versuch eines Systems der Alcyonaria." Arch. fur Naturg. 53 Jahrb. vol. i. fasc. i. 1888. Ibid.-" On some new Species of the Genus Spongodes from the Philippine Is. and the Japanese Seas." Ann. Mag. Nat. Hist. (6) i. 1889. Ibid.-Supplementary Report on Alcyonaria of the ' Challenger,' vol. xxxii. 1901. Ibid.-" Alcyonaires provenant des Campagnes de l'Hiron-delle." Resultats des Campagnes Scientifiques du Prince de Monaco. 1905. THOMSON, J. A., k HENDERSON, W . D.-" Ceylon Pearl- Oyster Fisheries Reports-Alcyonaria," No. xx. Roy. Soc. Lond. 1906. THOMSON, J. A.-Appendix to ditto. 1864. VERRILL.-" 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. k Arts, ser. 2, vol. xlv. pp. 411-416. 1897. WHITELEGGE.-"The Alcyonaria of Funafuti: Part ii." Mem. Austr. Mus. iii. part 5. 1889. W R I G H T k STUDER.- Report on the Scientific Results of the Voyage of H.M.S. ' Challenger.' - Alcyonaria, vol. xxxi. EXPLANATION OF THE PLATES. PLATE XXVI. Fig. 1. Pteroeides rigidum, sp. n. Seen from the prorachidial side. About nat. size. p. 438. 2. Pteroeides rigidum, sp. n. Seen from the metarachidial side. About nat. size. p. 438. 3. Pteroeides brachycaulon Kolliker. A single pinnule, showing median zooid-plate and 18 calcareous rays. X 2. p. 438. 4. Virgularia multicalycina, sp. n. Portion of metarachidial surface covered with polyps. X 12. p. 437. 5. Virgularia multicalycina, sp. n. Portion of prorachidial surface, with ramifying nutritive canals. X 12. p. 437. PLATE XXVII. Fig. 1. Pteroeides pulchellum, sp. n. A single pinnule, showing polyps, median zooid-plate, and four rays. X 8. p. 439. 2. Pteroeides pulchellum, sp. n. Metarachidial aspect. X 2. p. 439. 3. Nephthya zanzibarensis, sp. n. A few polyps. X 15. p. 421. 4. Nephthya armata, sp. n. A terminal cluster of polyps. X 14. p. 422. 6. Nephthya zanzibarensis, var. mollis n. Note the absence of the lan?e cortical spindles. X 20. p. 422. |