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" 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 - الصفحة 184
1826
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Register of Arts, and Journal of Patent Inventions, المجلد 4

Luke Herbert - 1827 - عدد الصفحات: 524
...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...

Family Magazine: Or Monthly Abstract of General Knowledge, المجلد 7

1840 - عدد الصفحات: 494
...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...

An Introduction to Conchology: Or, Elements of the Natural History of ...

George Johnston - 1850 - عدد الصفحات: 634
...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....

Natural history. Mollusca

Philip Henry Gosse - 1854 - عدد الصفحات: 346
...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...

Evenings at the Microscope; Or, Researches Among the Minuter Organs and ...

Philip Henry Gosse - 1859 - عدد الصفحات: 536
...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...

Evenings at the Microscope: Or, Researches Among the Minuter Organs and ...

Philip Henry Gosse - 1860 - عدد الصفحات: 496
...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...

The Hall of Shells

Mary Earle Hardy - 1900 - عدد الصفحات: 250
...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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