. Text-fig. 36. Swimbladders of some epipelagic and bathypelagic fishes, showing the relative developments of the retia mirabilia and gas-glands. Epipelagic species: (a, a') Cypsilitrus cyanopterus; (b, b', b") Danichthys rondektii; (c, c') Exocoetus volitans; (d, d') Petatichthys capensis; (e, e') Hyporhamphus sp. Bathypelagic species: (f) Vinciguerria attenuata; (g) Argyro- pelecus aculeatus; (h) Myctophum punctatum; (j) Chiasmodon niger; (k) Melamphaes megalops. Gas-gland dotted; retia, with striations along the major axes. In a', b', b", c', d' and e' part or the whole of the gas

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. Text-fig. 36. Swimbladders of some epipelagic and bathypelagic fishes, showing the relative developments of the retia mirabilia and gas-glands. Epipelagic species: (a, a') Cypsilitrus cyanopterus; (b, b', b") Danichthys rondektii; (c, c') Exocoetus volitans; (d, d') Petatichthys capensis; (e, e') Hyporhamphus sp. Bathypelagic species: (f) Vinciguerria attenuata; (g) Argyro- pelecus aculeatus; (h) Myctophum punctatum; (j) Chiasmodon niger; (k) Melamphaes megalops. Gas-gland dotted; retia, with striations along the major axes. In a', b', b", c', d' and e' part or the whole of the gas-secreting complex is shown enlarged. (A, xo-38; a', x 10; B, xo-6; b', x 5; b", 2-5; C, x 1; c', x 5; D, x i; d', x 5; e, x i ; e', X4; F, x 10; G, x 10; H, x 38; J, x6; K, x 5.)

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti