William Ogle

End of the introduction.

The Main Groups of Animals by William Ogle.

This LibriVox recording is in the public domain.

Recording by Geoffrey Edwards.

It will be as well, therefore, to limit ourselves to the main groups, and these may now be presented in the following tabular form.

Roman numeral one Sanguineous animals Vertebrata A Vivipara Mammalia 1 Man 2 Quadrupeds 3 Cetacea B Ovipara Alpha With perfect ovum 4 Birds 5 Quadrupeds and Apida Reptiles and Amphibia Beta With imperfect ovum 6 Fishes Roman numeral two Bloodless animals Invertebrata Alpha With imperfect ovum 7 Malachia Cephalopods 8 Malacostraca, Crustacea, beta, with scolex, nine, Insecta, remaining Arthropoda and some wormes, gamma, with generative slime, buds, or spontaneous generation, ten, Ostracoderma or Testacea, Mollusca, excepting Cephalopods, delta, with spontaneous generation only, eleven, Zoophytes.

End of The Main Groups of Animals by William Ogle.

Book One of On the Parts of Animals by Aristotle, translated by William Ogle.

When they are once accomplished, the remainder is easily added or developed.

End of the introduction The Main Groups of Animals by William Ogle This LibriVox recording is in the public domain Recording by Geoffrey Edwards Aristotle has left us no systematic classification of animals.

It will, nevertheless, be convenient to arrange the chief groups recognized by him in a tabular form, and the form which seems most consistent with his views is that in which these groups are placed in linear series according to their supposed degrees of excellence.

Before, however, doing this, it will be well to consider very briefly what Aristotle means when he speaks, as he so often does, of one animal being superior to or more noble than another, and also to inquire what were the external characters by which he thought such superiority could be recognized.

11.

Zoophytes.

End of The Main Groups of Animals by William Ogle Book 1 of On the Parts of Animals by Aristotle Translated by William Ogle This LibriVox recording is in the public domain Recording by Geoffrey Edwards Chapter 1 Every systematic science, the humblest and the noblest alike, seems to admit of two distinct kinds of proficiency, one of which may be properly called scientific knowledge of the subject, while the other is a kind of educational acquaintance with it.

For an educated man should be able to form a fair offhand judgment as to the goodness or badness of the method used by a professor in his exposition.