. Bulletin of the British Museum (Natural History). . Fig. 38. Monocoryne gigantea ('Bonne'jie) : sketch of a syntype from Hammerfest in the Zoologisk Museum, Oslo. Note the tubular basal perisarc and the few stout anchoring filaments. Fig. 39 A and b. Arum cocksi Vigurs: regeneration and attachment to substratum by means of anchoring filaments (after Billard. 1921). Here may also be mentioned Monocoryne gigantea (Bonnevie), a rather aberrant species, which, while having some obvious affinities with Myriothela, stands rather on its own in the Acaulis-Myriothela group of hydroids. As regards de
. Bulletin of the British Museum (Natural History). . Fig. 38. Monocoryne gigantea ('Bonne'jie) : sketch of a syntype from Hammerfest in the Zoologisk Museum, Oslo. Note the tubular basal perisarc and the few stout anchoring filaments. Fig. 39 A and b. Arum cocksi Vigurs: regeneration and attachment to substratum by means of anchoring filaments (after Billard. 1921). Here may also be mentioned Monocoryne gigantea (Bonnevie), a rather aberrant species, which, while having some obvious affinities with Myriothela, stands rather on its own in the Acaulis-Myriothela group of hydroids. As regards development of perisarc it shows an interesting transitional stage, the lower part of the polyp being clothed in a sheath of perisarc, which is much firmer and more closely adherent to the polyp itself than in Acaulis and has a few strong filaments at the base for attachment (Text-fig. 38). These features were noted during a re-examination of Bonnevie's two specimens in the Zoologiske Museum, Oslo in 1955. I was not able to ascertain whether any of the basal perisarc of the polyp itself could be termed adherent. Regeneration and the re-attachment of the cut stem of Arum cocksi by means. 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 British Museum (Natural History). London : BM(NH)
Size: 1202px × 2079px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., 1957, boo, bookauthorbritishmuseumnaturalhistory, bookcentury1900
