章节目录
共 20 段- The third planet from the sun is the Earth, distant about 95
- Amongst the stars composing our system there are certain con
- That coal is derived from decayed and altered vegetable matt
- Now assuming it as a fact that the earth was once in a gaseo
- [Illustration: FIG. 24.--ICHTHYOSAURUS.]
- Australia in its interior is but little known, but the whole
- "In like manner, when we meet with a limestone rock entirely
- Pure water exposed to the air does not afford nourishment to
- At the base of many leaves are a pair of scales called stipu
- According to Dr. Livingstone, the inhabitants of Angola live
- Wood must have supplied one of the earliest materials with w
- The members of this order have most of them rough hairy leav
- 1. Annellata.
- Insects are amongst the most active of creatures, whether fo
- The Hemiptera have two pairs of wings, the hindermost small,
- To the Lophobranchi belongs the Pipe-fish (Hippocampus, or S
- A general description of the anatomy and some of the functio
- _Baboons._--1. Mandrill (Papio maimon); 2. Chacma (Chacma Po
- _Smell._--The interior of the nose is lined by a fine moist
- In examining the various tribes of animated nature, there is