 | 1815 - 550 sider
...description of each of these organs, and afterwards explain the modes of respiration. In the lamprey the organs of respiration have seven external openings...and the upper terminates by a fringed edge in the cesophagus. These bags are contained in separate cavities, and inclosed in a thorax resembling that... | |
 | Thomas Thomson - 1816 - 528 sider
...intermediate between the pisces and venues, and in two genera of the last mentioned class. In the lamprey the organs of respiration have seven external openings on each side of the animal. These lead to the same number of oval bags, the inner membrane of which is constructed like the gills of fishes.... | |
 | Ralph Griffiths, George Edward Griffiths - 1816 - 574 sider
...intermediate between the lamprey and the myxine, the aphrodita aculeata, and the leech. In the lamprey, the organs of respiration have seven external openings on each side of the animal, leading into oval bags, Which contain a membrane constructed like that of the gills of the fish. It... | |
 | Peter Mark Roget - 1834 - 684 sider
...369. There is also an equal number of internal openings, seen in the lower part of this last figure, leading into a tube, the lower end of which is closed,...and the upper terminates by a fringed edge in the oesophagus. The water which is received by the seven lateral openings, enters at one side, and after... | |
 | Peter Mark Roget - 1834 - 678 sider
...309; There is also an equal number of internal openings, seen in the lower part of this last figure, leading into a tube, the lower end of which is closed,...and the upper terminates by a fringed edge in the oesophagus. The water which is received by the seven lateral openings, enters at one side, and after... | |
 | Peter Mark Roget - 1834 - 684 sider
...309. There is also an equal number of internal openings, seen in the lower part of this last figure, leading into a tube, the lower end of which is closed,...and the upper terminates by a fringed edge in the oesophagus. The water which is received by the seven lateral openings, enters at one side, and after... | |
 | Mordecai Cubitt Cooke, John Eller Taylor - 1870 - 316 sider
...other fishes, when the creature is not adhering to any foreign body by its mouth. " In the Lamprey the organs of respiration have seven external openings...and the upper terminates by a fringed edge in the cesophagus. These bags are contained in separate cavities and inclosed in a thorax resembling that... | |
| |
There is also an equal number of internal openings, seen in the lower part of this last figure, leading into a tube, the lower end of which is closed, and the upper terminates by a fringed edge in the oesophagus. The water which is received by the seven... 