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| Keywords: Origin of Vertebrates Fig 071.jpg Fig 71 ”Diagram constructed from a series of Transverse Sections through a Branchial Segment of AmmocĹ“tes showing the arrangement and relative positions of the Cartilage Muscles Nerves and Blood-Vessels Nerves coloured red are the motor nerves to the branchial muscles Nerves coloured blue are the internal sensory nerves to the diaphragms and the external sensory nerves to the sense-organs of the lateral line system Br cart branchial cartilage; M con str striated constrictor muscles; M con tub tubular constrictor muscles; M add adductor muscle; D A dorsal aorta; V A ventral aorta; S sense-organs on diaphragm; n Lat lateral line nerve; X epibranchial ganglia of vagus; R br prof VII ramus branchialis profundus of facial; J v jugular vein; Ep pit epithelial pit All references in this work to AmmocĹ“tes or Petromyzon appear to refer to the species now called Lampetra planeri 1908 The Origin of Vertebrates https //archive org/details/ost-biology-the_origin_of_vertebrates Walter Holbrook Gaskell PD-old-auto-1923 1914 Origin of Vertebrates book Lampetra planeri | ||||
