The books in a zoölogical library may be roughly divided into three groups:—
1 herunterladen. Reference books.
a. Advanced textbooks.
b. Elementary textbooks.
c. Natural histories.
d herunterladen. Books for classifying or naming animals.
2. Descriptive books.
. Life histories and habits of animals.
a microsoft office kostenlos downloaden vollversion deutsch chip. Adventures with animals—popular accounts of animals seen on walks and travels.
3. Economic zoölogy.
. Books on harmful animals and methods of destroying them.
a. Books on useful nondomesticated animals and their products.
b. Books on domestic animals.
c. Books of a general nature not included in the above.
Examine as many of the books in your library as you can and record for each one in your notebook:—
1. Title of the book; author’s name; publisher; date of publication.
2. The kind of book as classified above.
3. What it includes or what animals or topics are covered by the book.
4. Whether the style is popular or technical, i.e. whether it is easy for you to read.
5. The general character of its illustrations and whether they appear to be especially helpful.
6. Comments on the value or interest of the book as it appears to you.
7. Select a book which interests you, for future reading.
The effect of great numbers upon the structure and habits of animals. The use of keys in finding the names of animals.