. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A, C-E 0-5 mm. Fig. 8. Diphasia tetraglochina Billard. A. A stem with 3 pairs of hydrothecae. B. Sketch of distal view of a pair of hydrothecae to show asymmetry. Operculum in place in right hydrotheca. C. The distal pair of hydrothecae from a stem with 5 pairs. D. The proximal pair from another stem. E. The gonotheca. Remarks. This rare species has only been recorded once before, from Madagascar. It was not possible to determine the sex of the gonothecae. Dynamena cornicina McCrady, 1858 Fig. 9 Sert
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A, C-E 0-5 mm. Fig. 8. Diphasia tetraglochina Billard. A. A stem with 3 pairs of hydrothecae. B. Sketch of distal view of a pair of hydrothecae to show asymmetry. Operculum in place in right hydrotheca. C. The distal pair of hydrothecae from a stem with 5 pairs. D. The proximal pair from another stem. E. The gonotheca. Remarks. This rare species has only been recorded once before, from Madagascar. It was not possible to determine the sex of the gonothecae. Dynamena cornicina McCrady, 1858 Fig. 9 Sertularia densa Stechow, 1919: 93, fig. J^. Sertularia cornicina: Jarvis, 1922: 338. Dynamena cornicina: Billard, 1925: 188, pi. 7 (fig. 23), fig. 40. Broch, 1933: 86, fig. 36. Vervoort, 1941: 206, fig. 3. Records. South coast: LIZ 16C, 40J. Description. Two colonies, one very rich, growing on coralline algae. Only simple stems present, reaching a maximum height of o-g cm. Stem with short, proximal, athecate region terminated by a hinge-joint, and a long thecate region divided into regular internodes by constricted nodes. Each internode bearing a pair of opposite hydrothecae. Consecutive pairs of hydrothecae Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
