. American types of animal life. Zoology; Animal behavior. THE BULLFROG ni The first of these is more exceptional, in that it has no hind limbs at all, and only a very small pair of fore limbs. This is the Hiren, specimens of which have come to the British Museum from various parts of the United States, including South Carolina, Georgia, and Texas. The other American form with persistent gills is named Metiobranohus. It is shorter in body, with two pairs of fairly developed limbs. It is a more northern animal, being found in Canada as well as the United States. There is a genus of efts, distin
. American types of animal life. Zoology; Animal behavior. THE BULLFROG ni The first of these is more exceptional, in that it has no hind limbs at all, and only a very small pair of fore limbs. This is the Hiren, specimens of which have come to the British Museum from various parts of the United States, including South Carolina, Georgia, and Texas. The other American form with persistent gills is named Metiobranohus. It is shorter in body, with two pairs of fairly developed limbs. It is a more northern animal, being found in Canada as well as the United States. There is a genus of efts, distinguished both from the number and considerable size of the species which com- pose it. It is named Amblystoma and contains seven- teen different species, all of which are North American Fig. 30,. THE AMBLYSTOMA. (ranging from the northern Rocky Mountains and Van- couver's Island to Mexico), with one exception-a single species which, strange to say, has found its way to the mountains of Siam ! All these species when full grown are quite destitute of gills, though almost all efts (like almost all frogs) pass through a stage of existence in which they do have them. There is a sort of eft in Mexico known as the Axolotl, which possesses large external gills. It seems a fully adult creature and breeds freely. Long ago, however, the great Cuvier considered that it probably was only an immature 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 Mivart, St. George Jackson, 1827-1900. Boston, Little, Brown and Company
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