A course of elementary instruction in practical biology / by T. H. Huxley ; assisted by H. N. Martin.

  • Huxley, Thomas Henry, 1825-1895.
Date:
1888
Catalogue details

Licence: Public Domain Mark

Credit: A course of elementary instruction in practical biology / by T. H. Huxley ; assisted by H. N. Martin. Source: Wellcome Collection.

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    The first edition of the Course of Practical Instruction in Elementary Biology appeared twelve years ago, and the motives which led to its publication are fully explained in the original preface, which is subjoined. The present edition has been carefully revised and, where necessary, enlarged by my colleagues Mr Howes and Dr Scott, assistant Professors in Zoology and Botany in the Normal School of Science and Royal School of Mines, and such additions and improvements are entirely their work. But besides these changes, the reader who compares the two editions will observe that the order in which the subjects are pre- sented is completely changed. In the first edition the lowest forms of life were first dealt with; the series of plants followed in ascending order; and then the series of animals, from the Bell animalcule upwards to the Frog. No doubt there is much to be said for the principle of this arrangement, which leads the student from the study of simple to that of complex phenomena; but the experience of the Lecture-room and the Laboratory taught me that