ERIC ED622611 Introductory Steps in Science Parts I II III For the Use of Schools
Book details
- Title
- ERIC ED622611 Introductory Steps in Science Parts I II III For the Use of Schools
- Publication year listed
- 1887
- Format
- Public domain eBook
- Reading access
- Free online reader; no registration required
- Source record
- View on Archive.org
About this book
ERIC ED622611 Introductory Steps in Science Parts I II III For the Use of Schools
Author: ERIC
Year: 1887
In this textbook by a few observations pupils are led to group all objects into the three Kingdoms of Nature "Animal " "Vegetable " and "Mineral " Again by observing differences the Animal Kingdom is readily divided into five Sub Kingdoms "Vertebrates " "Annulates " "Mollusks " "Radiates " and "Protozoans " Each sub kingdom is still further divided into Classes Thus the sub kingdom Vertebrates consists of five classes "Mammals " "Birds " "Reptiles " "Amphibians " and "Fishes " The term "class" in this sense becomes a technical zoological term so again the division of a "class" into several "orders " By easy steps the learner is led to group together the rodents ruminants and the carnivorous animals etc yet the technical terms class and order have been avoided There has been no attempt whatever to still further subdivide into "genera" and "species " In the Natural History so far as possible American species have been substituted for foreign ones and in the chapter on Rock Formations that portion which treats of the continental development of North America has been substituted for the author's geological history of France In short such corrections and changes have