. Bulletin of the British Museum (Natural History). . Fig. 50. Actinulae of capitate hydroids. a, Tubularia (redrawn from Pyefinch & Downing, 1949), B, Hybocodon prolifer (redrawn from Uchida, 1927), c, Arum cocksi (Vigurs) (redrawn from Allman, 1875).. 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)

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Keywords: ., 1957, boo, bookauthorbritishmuseumnaturalhistory, bookcentury1900