Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . Tixier-Durivault, 1954) comb. nov. Figs 17F-H, 18 Nidalia morifera Tixier-Durivault, 1954: 128, figs 3, 4. Eleutherobia rotifer a (non Thomson, 1910): Verse veldt & Bayer, 1988: 36 (part.). Material SAM-H1271, Umhloti River mouth, Natal (29°50S 31°15E), 73 m,18 December 1900, large dredge, Pieter Faure survey, PF , east of Durban (29°50S 31°15E), March 1963, dredge, coll. notknown. SAM-H3826, Park Rynie, Natal (30°20S 30°51E), 96 m, 10 July 1984,dredge, coll. G. C. Williams ( Meiring Naude). SAM-H
Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . Tixier-Durivault, 1954) comb. nov. Figs 17F-H, 18 Nidalia morifera Tixier-Durivault, 1954: 128, figs 3, 4. Eleutherobia rotifer a (non Thomson, 1910): Verse veldt & Bayer, 1988: 36 (part.). Material SAM-H1271, Umhloti River mouth, Natal (29°50S 31°15E), 73 m,18 December 1900, large dredge, Pieter Faure survey, PF , east of Durban (29°50S 31°15E), March 1963, dredge, coll. notknown. SAM-H3826, Park Rynie, Natal (30°20S 30°51E), 96 m, 10 July 1984,dredge, coll. G. C. Williams ( Meiring Naude). SAM-H3827, UmlaasRiver, Natal (30°01S 31°03E), 100 m, 10 July 1985, dredge, coll. G. ( Meiring Naude). Description Colonies are digitiform, 3-22 mm in length. Stalk and polypary clearlydifferentiated, each of approximately equal length. Polyps relatively few andlarge: <25 per colony and calyces 1,5-2,0 mm in diameter. Polyps uniformlycovering surface of polypary, completely retractile. During polyp retraction, SOFT CORALS OF SOUTHERN AFRICA 285. % t% « ^#%^ iv PIP* jfcj &* 1 rc -. :;: *\ Sm I it^sjp^z^v fei 0:^:^r * f$l ?A?^ % ) h -:4 VV\ ^71 -,• , * <• 45 J- #jili • . # [G] Fig. 17. Scanning electron micrographs. A-E. Alcyonium foliatum Thomson, 1921; coenen-chymal sclerites. A. 0,1 mm. B-D. 0,75 mm. E. 0,12 mm. F-H. Alcyonium moriferum(Tixier-Durivault, 1954); sclerites from the surface of the polyparium. F. 0,09 mm. G. 0,07 mm. H. 0,09 mm. 286 ANNALS OF THE SOUTH AFRICAN MUSEUM calyces may form prominent rounded protuberances on the surface of thepolypary, but these are also capable of total retraction into the polyparium,becoming flush with the external surface. Sclerites are dense and numerous inthe surface of the polypary, stalk and calyces. Sclerites are present throughoutthe colony, dense on the surface, fewer and sparser in the interior. All scleritesare globular, tuberculate spheroids resembling the shape of fruits of themulberry tree (g
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Keywords: ., bookauthorsouthafr, bookcentury1800, bookdecade1890, bookyear1898
