Excerpt from An Elementary Course in Practical Zoölogy
The principal change from the earlier edition consists in the addition of directions for field study and for the laboratory study of the live animals. In the nature of the work these directions must be somewhat general, and Should be modified by the teacher to suit local conditions and the requirements of the class. Because of the fact that conditions greatly vary in different localities, it is not to be supposed that each teacher can accomplish all the work here outlined. It is hoped that there is variety enough to suit most localities. Other types may often serve the purpose better than these here presented. The work must also be adapted to the age and experience of the students and to the time allotted to the subject. The author's reasons for the order of study here presented are given in the preface of the descriptive part of the book.
For convenience, the practical part follows the descriptive text, but, of course, the actual study of the types Should precede any assigned lesson or reading in reference books.
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