. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 410 Mr. E. Billings on the Structure of Fig. 1. Fig. 2. al ^^. Fig. 1. The upper part of Caryocrhms ornatus, the test being removed in order to show the internal structure of the fourteen hydrospires that surround the summit. The parallel lines represent the flat tubes. The other figures exhibit the modifications which the hydrospires undergo in passing through :—fig. 2. Coclaster; fig. 3. Pentremites witli broad ambulacra; fig. 4. Pentremites with single tubes ; fig. 5. Palfe
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 410 Mr. E. Billings on the Structure of Fig. 1. Fig. 2. al ^^. Fig. 1. The upper part of Caryocrhms ornatus, the test being removed in order to show the internal structure of the fourteen hydrospires that surround the summit. The parallel lines represent the flat tubes. The other figures exhibit the modifications which the hydrospires undergo in passing through :—fig. 2. Coclaster; fig. 3. Pentremites witli broad ambulacra; fig. 4. Pentremites with single tubes ; fig. 5. Palfeozoic Crinoids with a convoluted plate attached to the centre of radiation ; fig. 6. Sand-canal or madreporic tube of a stai-fish, enclosing a doubly convoluted plate; fig. 7. Ambulacral canals of a starfish with the doubly convoluted plate of the sand-canal attached to the oesophageal ring. The following letters have the same reference in all the figures. 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 London, Taylor and Francis, Ltd
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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
