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PSM V04 D551 Horse in the act of trotting
PSM V47 D067 Gesner snails - Drawing. Public domain image.
PSM V04 D690 Formation of a shadow
PSM V03 D448 Archeopteryx
PSM V05 D048 Refraction through prism
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PSM V55 D025 Prospektoren klettern Chilkoot Pass 1898
PSM V04 D547 Evolutionary adaptions of feet
Zusammenfassung
Evolutionary adaptions of feet
A—Extreme form of compressed foot, as seen in the deer, ox, etc., adapted specially for land transit.
B—Extreme form of expanded foot, as seen in the ornithorhynchus, etc., adapted more particularly for swimming.
C—Intermediate form of foot, as seen in the otter.
D—Foot of frog. Here the foot is equally serviceable in and out of the water.
E—Foot of the seal, which opens and closes in the act of natation.
Tags
Tierglieder vergleiche
Populärwissenschaftliche Monatsillustrationen Band 4
Wissenschaftsgeschichte
Populärwissenschaft
Datum
1873 - 1874
Quelle
Wikimedia Commons
Link
Copyright-info
public domain