. The Australian Museum magazine. Natural history. THE AUSTRALIAN MUSEUM MAGAZINE. other marsupials, although externally it may resemble them very little. Again the wombat miglit on outward appear- â ^^^^^^^^^v ^« 'Jhi^T^^I M ^â 9^ i ^H^^^^^H ^^^^^^^^85^%.. â¢; (⢠.^^H^^^^H. Flying Squirrels, marsupial and placental. Both have membranes between their limbs to enable them to take long flying leaps from tree to tree. But though so similar in appearance the Australian form (left) has no af&nity with the American (right). Photo.âG. C. Clutton. ance be classed with the beaver; it has form an
. The Australian Museum magazine. Natural history. THE AUSTRALIAN MUSEUM MAGAZINE. other marsupials, although externally it may resemble them very little. Again the wombat miglit on outward appear- â ^^^^^^^^^v ^« 'Jhi^T^^I M ^â 9^ i ^H^^^^^H ^^^^^^^^85^%.. â¢; (⢠.^^H^^^^H. Flying Squirrels, marsupial and placental. Both have membranes between their limbs to enable them to take long flying leaps from tree to tree. But though so similar in appearance the Australian form (left) has no af&nity with the American (right). Photo.âG. C. Clutton. ance be classed with the beaver; it has form an arc with the lower jaw. More- the same stocky build and both are good over, in both these teeth lack roots, so gnawers and diggers. Comparing their that they grow continuously throughout skulls we find that in both the front the life of the animals, and no amount teeth are reduced to two in each jaw, of grinding reduces them. Then in both one on each side; these teeth are chisel- we find a wide space between the front like, grooved, and placed so that they teeth and the succeeding teeth on each side of the jaws, an arrangement which is probably useful in allowing the animal to manipulate its food, turn it over. with its tongue, and pass it back to the cheek teeth. But in spite of these striking similarities in their dental ap- paratus there is no difficulty in distin- guishing the skull of the wombat from the skull of any placental. For ex- ample, the roof of Marsupial mice are insect-eaters and do not gnaw as does the , +1 u -1 house mouse. It is supposed that the earliest marsupials which tue moutll, tlie nara found their way into Australia were of this type. palate of placen- Photo.â(t. C. 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 Australian Museum; Australian Museum. Sydney,
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectnaturalhistory, booky
