. A textbook in general zoology. Zoology. THE CLASSIFICATION OF ANIMALS To put all this in a simpler form, we would say that indi- viduals are grouped together to form species, species to form a genus, genera to form a family, families to form an order, orders to form a class, and classes to form a branch. The following table illustrates the classification of the domestic cat: Kingdom, Animalia. All animals. Beanch, Chorduta. Having a notochord. Class, Having milic glands and suckling young. Oedeh, Carnivora. Eating flesh. Family, Felidce. Having sharp, retractile claws. Genus, FeU'
. A textbook in general zoology. Zoology. THE CLASSIFICATION OF ANIMALS To put all this in a simpler form, we would say that indi- viduals are grouped together to form species, species to form a genus, genera to form a family, families to form an order, orders to form a class, and classes to form a branch. The following table illustrates the classification of the domestic cat: Kingdom, Animalia. All animals. Beanch, Chorduta. Having a notochord. Class, Having milic glands and suckling young. Oedeh, Carnivora. Eating flesh. Family, Felidce. Having sharp, retractile claws. Genus, FeU's. Cat, lion, tiger, leopard, etc. Species, Felis domestica. Domestic cat. As we said before, in our study of animals we shall find a kinship existing throughout the animal kingdom. More than that, we shall also find a step-by-step progress from the lowest to the highest. This very important point will be brought out more clearly farther along, but can best be represented here by a tree diagram. By the latest authority, the animal king- dom is divided into twelve great branches; but for the sake of simplicity we have grouped four of these into one — the worms — in the diagram (Fig. 9).. Fig. 9. — Diagram illustrating Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Herrick, Glenn W. (Glenn Washington), 1870-1965. New York, Cincinnati [etc. ] American Book Company
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