. A manual of zoology for the use of students : with a general introduction on the principles of zoology . Zoology. CARNIVORA. 583 dogs have sprung, is still uncertain. It is worth while remem- bering, however, all our varieties of dogs are capable of inter- breeding ; and there is a strong probability that the Wolf is the parent stock of at least some of our domestic breeds. The Dog, in fact, will interbreed with both the Wolf and the Fig. 226.—Skull of Jackal (Canis aureus). The genus C&nis, besides the Dog, contains the well-known ]\ia\. {Cajiis aureus), and th&YfoM {Can
. A manual of zoology for the use of students : with a general introduction on the principles of zoology . Zoology. CARNIVORA. 583 dogs have sprung, is still uncertain. It is worth while remem- bering, however, all our varieties of dogs are capable of inter- breeding ; and there is a strong probability that the Wolf is the parent stock of at least some of our domestic breeds. The Dog, in fact, will interbreed with both the Wolf and the Fig. 226.—Skull of Jackal (Canis aureus). The genus C&nis, besides the Dog, contains the well-known ]\ia\. {Cajiis aureus), and th&YfoM {Cants lupus),, and many- writers place the Foxes in the same genus. The Foxes, how- ever, are better considered as forming a separate genus (Vulpes), of which there are many species, all more or less like the common Fox (Vulpes vulgaris). One of the most remarkable species is the Arctic Fox, which abounds in the Arctic regions, and changes its colour with the season, being brown in summer and white in winter. The soles of its feet are hairy. Other well-known Foxes are the Red Fox (V. fulvus) of North Ame- rica, the Deccan Fox (V. Bengalensis) of India, and the Caama ( V. Caama) of Africa. The Jackals have a round pupil and a dental formula like that of the Dogs. They inhabit Asia and Africa, are gregari- ous, hunt in packs, and burrow in the ground. The last group of the Digitigrada is that of the Felidce or Cat tribe, comprising the most typical members of the whole order of the Carnivora, such as the Lions, Tigers, Leopards, Cat, and Panthers. The members of this family all walk upon the tips of their toes, the soles of their feet being hairy, and the whole of the metacarpus and heel being raised above the ground (fig. 223, C). The jaws are short, and owing to this fact, and to the great size of the muscles concerned in masti- cation, the head assumes a short and rounded form, with an abbreviated and rounded muzzle. The molars and prsemolars are fewer in number than in any oth
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