Argument

Bat

Bat — PD-USGov, exact author unknown · Public domain · source

Overview

order of placental mammals (Placentalia)

Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).

Possible passages

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The former, including the greater part of the class, are called _Placental Mammals;_ the latter, or _Aplacental Mammals_, include the Marsupials and Monotremes (_Ornithorhynchus_). MAMMIFEROUS.—Having mammæ or teats (see MAMMALIA). MANDIBLES.—in insects, the first or uppermost pair of jaws, which are generally solid, horny, biting organs.
Charles Darwin, The Origin of Species by Means of Natural Selection
States what Bat is.
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Thus, the bat’s wing is a most abnormal structure in the class mammalia; but the rule would not here apply, because there is a whole group of bats having wings; it would apply only if some one species of bat had its wings developed in some remarkable manner in comparison with the other species of the same genus. The rule applies very strongly in the case of secondary sexual characters, when displayed in any unusual…
Charles Darwin, On the Origin of Species By Means of Natural Selection
Names Bat several times; opens on Bat.
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_Placental_-----+ | _Aves_ _Mammalia_----+ | _Arachnida_ | | | _Implacental_---+ | _Insecta_ | _Crustacea_ | | | | | VERTEBRATA | | | | | | | | | | _Reptilia_ _Chilopoda_ | | _Amphibia_ ARTHROPODA | | | | _Diplopoda_ _Pisces_ | | _Chætopoda_ _Cephalochorda_ | | CHORDATA ANNELIDA _Urochorda_ | | _Echiuroidea_ _(Tunicata)_ | | _Hirudinea_ +---------+ _Archiannelida_ | | BRACHIOPODA | | ROTIFERA _Dibranchiata_ | | | |…
Herbert Spencer, The Principles of Biology, Volume 1
Close in meaning to Bat; the term itself is not named.
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Related ideas

Place in the tradition

Part of Consciousness.

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