 In a small apartment they are audible at the distance of twelve feet. "The sounds obviously proceed from the mouth of the animal ; and, at the instant of the stroke, we observe the lips suddenly separate, as if to allow the water to rush into a small...  The Edinburgh Philosophical Journal - Seite 1791826Vollansicht - Über dieses Buch
 | Luke Herbert - 1827 - 524 Seiten
...from the month of the animal ! and at the instant .of the stroke the lips are suddenly observed to separate, as if to allow .the water to rush into 'a small vacuum formed there. Dr. Grant has preserved these animals alive for a month together, giving them fresh water every... | |
 | 1840 - 494 Seiten
...interesting Scottish mollusc to emit, at intervals, a very peculiar and audible sound which proceeds from the mouth of the animal ; " and, at the instant...the water to rush into a small vacuum formed within. The sounds may possibly be a means of communication between these animals ; or, if they be of an electric... | |
 | George Johnston - 1850 - 634 Seiten
...of their original intensity. In a still apartment they are audible at the distance of twelve feet. " The sounds obviously proceed from the mouth of the...formed within. As these animals are hermaphrodites, re* Onusc. Subscciv. i. 109. t Barbut Gen. Verm. 73. t Alder and Hancock Nudibr. Moll. fam. 3, pi.... | |
 | Philip Henry Gosse - 1854 - 344 Seiten
...their original intensity. In a still apartment, they are audible at the distance of twelve feet. " The sounds obviously proceed from the mouth of the...; or if they be of an electric nature, they may be the means of defending from foreign . enemies one of the most delicate, defenceless, and beautiful... | |
 | Philip Henry Gosse - 1859 - 536 Seiten
...of their original intensity. In a small apartment they are audible at the distance of twelve feet. "The sounds obviously proceed from the mouth of the...or, if they be of an electric nature, they may be the means of defending from foreign enemies one of the most delicate, defenceless, and beautiful Gasteropods... | |
 | Philip Henry Gosse - 1860 - 496 Seiten
...of their original intensity. In a small apartment they are audible at the distance of twelve feet. " The sounds obviously proceed from the mouth of the...or, if they be of an electric nature, they may be the means of defending from foreign enemies one of the most delicate, defenceless, and beautiful Gasteropods... | |
 | Mary Earle Hardy - 1900 - 250 Seiten
...is mellow and distinct . . . and obviously proceeds from the mouth of the animal ; at the instant of stroke we observe the lips suddenly separate as if...water to rush into a small vacuum formed within.' " The following instance of affection among snails has been recorded by a naturalist who observed it:... | |
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