 | American Association for the Advancement of Science - 1871 - 440 pages
...sliding motion of the two valves, using at the same time the fringes of seta) which swung promptly back and forth like a galley of oars, leaving a peculiar track in the sand. In the motion of the sette he noticed the impulse commencing from behind, and running forward. Within... | |
 | 1870 - 500 pages
...broken and forming new sand-case. Fig. 3. Peduncle broken close to the body, and forming new sand-case. like a galley of oars, leaving a peculiar track in the sand. In the motion of the setae he noticed the impulse commencing from behind and running forward. Within... | |
 | 1871 - 806 pages
...peduncle was broken in sifting them from the sand, yet the wound wus quickly healed and a new sand-tube promptly formed. When placed on the surface of the...galley of oars, leaving a peculiar track in the sand. or unwound at full length. It was contractile, also, and quickly jerked this body beneath the sand... | |
 | 1871 - 812 pages
...peduncle was broken in sifting them from the sand, yet the wound was quickly healed and a new sand-tube promptly formed. When placed on the .surface of the...galley of oars, leaving a peculiar track in the sand. or unwound at full length. It was contractile, also, and quickly jerked the body beneath the sand when... | |
 | 1871 - 804 pages
...peduncle was broken in sifting them from the sand, yet the wound was quickly healed and a new sand-tube promptly formed. When placed on the surface of the...ventral plates, aided at the same time by the rows of setse or bristles, which swung back and forth like a galley of oars, leaving a peculiar track in the... | |
 | 1871 - 1016 pages
...motion, in all directions, of the dorsal and ventral plates, aided at the same time by the rows of setic or bristles, which swung back and forth like a galley...hollow, and the blood could be seen coursing back and fortli in its channel. It was distinctly and regularly ringed, and presented a remarkably worm-like... | |
 | American Association for the Advancement of Science - 1871 - 440 pages
...sliding motion of the two valves, using at the same time the fringes of sette which swung promptly back and forth like a galley of oars, leaving a peculiar track in the sand. In the motion of the seiae he noticed the impulse commencing from behind, and running forward. Within... | |
 | Edward Sylvester Morse - 1873 - 80 pages
...peduncle was broken in sifting them from the sand, yet the wound was quickly healed and a new sand-tube promptly formed. When placed on the surface of the...the blood could be seen coursing back and forth in its channel. It was distinctly and regularly ringed, and presented a remarkably worm-like appearance.... | |
 | Brighton and Hove Natural History and Philosophical Society, Brighton - 1874 - 800 pages
...sliding motion of the two valves, using at the same time the fringes of setce, which' swung promptly back and forth like a galley of oars, leaving a peculiar track in the sand. In the motion of the setae he noticed the impulse commencing from behind and running forward. The larger... | |
 | 1870 - 570 pages
...sliding motion of the two vnlves, using at the same time the fringes of setae, which swung promptly back and forth like a galley of oars, leaving a peculiar track in the sand. In the motion of the set» he noticed the impulse commencing from behind and running forward. Within... | |
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... the sand. The peduncle, which was about six times the length of the shell, being encased in a sand tube differing in no respect from the sand tubes of neighboring annelids. In many instances the peduncle was broken in sifting them from the sand, yet... 