 | Comparisons - 1799 - 200 páginas
...external apertures, (the gillorifices along the neck.) If a lamprey, while so attached to the side of a vessel, be held with one series of apertures...while its head is buried in the flesh of its prey." — Yarrell. The sea-lamprey ascends rivers to breed, and produces pits and furrows in the bed to receive... | |
 | William Yarrell - 1836 - 494 páginas
...Surgeons in London, vol. ii. page 80. the external apertures. If a Lamprey, while so attached to the side of a vessel, be held with one series of apertures...The same mode of respiration must take place in the Mixine," (a species of this family to be described hereafter,) " while its head is buried in the flesh... | |
 | William Yarrell - 1841 - 642 páginas
...alternately received and expelled by the external apertures. If a Lamprey, while so attached to the side of a vessel, be held with one series of apertures...orifices, and, after traversing the corresponding saes and the pharynx, to pass through the opposite branchiae, and to be foreibly ejected therefrom... | |
 | Oliver Goldsmith - 1856 - 824 páginas
...alternately received •nd expelled by the external apertures. If a lamprey, tvhile so attached to the side of a vessel, be held with one series of apertures...currents are seen to enter by the submerged orifices, tin], after traversing the corresponding sacs and the pharynx, to pass through the opposite branching... | |
 | Oliver Goldsmith - 1857 - 712 páginas
...alternately received and expelled by the external apertures. If a lamprey, while so attached to the side of a vessel, be held with one series of apertures...sacs and the pharynx, to pass through the opposite branehiie, and to be forcibly ejected therefrom by the exposed orifices. The same mode of respiration... | |
 | Oliver Goldsmith - 1860 - 774 páginas
...alternately received and expelled by the external apertures. If a lamprey, while so attached to the side of a vessel, be held with one series of apertures out of the water, the respiratory currents ire seen to enter by the submerged orifices, mid, after traversing the corresponding sacs and the pharynx,... | |
 | James Samuelson, Henry Lawson, William Sweetland Dallas - 1871 - 580 páginas
...1039) in the Royal College of Surgeons, that if a Lamprey, when sticking to the side of a ressel, " be held with one series of apertures out of the water, the respiratory currents axe seen to enter by the submerged orifices, and, after traversing the corresponding sacs and the pharynx,... | |
 | Mordecai Cubitt Cooke, John Eller Taylor - 1870 - 316 páginas
...alternately received and expelled by the external apertures. If a Lamprey while so attached to the side of a vessel, be held with one series of apertures...seen to enter by the submerged orifices, and after Fig. 115. Vertical section of the Head of the Lamprey (Petromvcon mnrimu), natural size. JD McDonald,... | |
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... firmly attached, as is commonly the case, to foreign bodies by means of its suctorial mouth, it is obvious that no water can pass by that aperture from the pharynx to the gills; it is therefore alternately received and expelled by the external apertures.... 