. A manual of zoology for the use of students : with a general introduction on the principles of zoology . Zoology. 532 MANUAL OF ZOOLOGY. and the powerful hind-limbs the Kangaroos are enabled to effect extraordinarily long and continuous leaps. In fact, leap- ing is the ordinary rflode of progression in the typical Kan- garoos ; and when walking upon all fours their locomotion is slow and ungraceful: The anterior extremity cf the body is. Fig. 205.âKoaU or Kangaroo-bear (Phascolarcios cinereus)âafter Gould. very diminutive as compared with the posterior, and the fore- limbs are quite small, b
. A manual of zoology for the use of students : with a general introduction on the principles of zoology . Zoology. 532 MANUAL OF ZOOLOGY. and the powerful hind-limbs the Kangaroos are enabled to effect extraordinarily long and continuous leaps. In fact, leap- ing is the ordinary rflode of progression in the typical Kan- garoos ; and when walking upon all fours their locomotion is slow and ungraceful: The anterior extremity cf the body is. Fig. 205.âKoaU or Kangaroo-bear (Phascolarcios cinereus)âafter Gould. very diminutive as compared with the posterior, and the fore- limbs are quite small, but have five well-developed toes armed with strong nails. The head is small, with large ears, and the dental formula is^ IâI.' oâo -^ IâI 4â4 There are therefore six upper incisors, two lower incisors, and no functional canines (though rudimentary upper canines are present in the young of some of the Kangaroos, at any rate). The stomach is complex, and â sacculated. The Kan- garoos are all herbivorous, and mostly live, either scattered or gregariously, on the great grassy plains of Australia. The " Tree-kangaroos," however (constituting the genus Dendro- lagus), live mostly in trees; and, in adaptation to this mode of life, the fore-legs are nearly as long and strong as the hind-legs, the tail is not used as a support, and the claws are long, curved, and pointed. They are natives of New Guinea. The " Rock. 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 Nicholson, Henry Alleyne, 1844-1899. New York : D. Appleton
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