Smithsonian miscellaneous collections . ion of the local deposits. Theforms have been entombed under such exceptional conditions as toraise some question regarding the exact age of the deposits in whichthey are many times found, although they could not have antedatedPleistocene time. A glance at the list of determinable species issufficient to show at once that they represent a typical Pleistocenefauna, some of which, as the moose, caribou, musk-ox, sheep, bear,and beaver, have persisted down to the present day. To aid the student, there is given here a list of the various generaand species th
Smithsonian miscellaneous collections . ion of the local deposits. Theforms have been entombed under such exceptional conditions as toraise some question regarding the exact age of the deposits in whichthey are many times found, although they could not have antedatedPleistocene time. A glance at the list of determinable species issufficient to show at once that they represent a typical Pleistocenefauna, some of which, as the moose, caribou, musk-ox, sheep, bear,and beaver, have persisted down to the present day. To aid the student, there is given here a list of the various generaand species thus far reported as occurring in Alaska, followed bya brief review of each, with a reference to the original description;the condition and present location of the type specimen (if known,and when based upon fossil remains) upon which these werefounded, and in some cases figures of representative specimens fromAlaska. Some additional information has been derived from aStudy of specimens in the vertebrate paleontological collection of the. EXPLORATION IN ALASKA IN I907—GILMORE 27 U. S. National Museum, collected in Alaska by Lieutenant Hooper,Dr. W. H. Dall, E. W. Nelson, L. M. Turner, A. G. Maddren, andothers. ELEPHAS PRIMIGENIUS Blumenbach The Northern Mammoth Ekphas primigenius Blumenbach, Handb. Naturg., 1st French ed., vol. , p. 407. Description.—Jaw broad and rounded; profile in front of toothrow almost vertical; enamel folds narrow and compressed; rathermore than two folds to the inch, or twenty-four in ten inches; enamelitself Remarks.—This species is, geographically, the most widely dis-tributed of extinct elephants. It has been reported as ranging fromFlorida, Texas, and Mexico on the south and northward into Can-ada and Alaska. It is also found in Great Britain and nearly allEurope and northern Asia. Its remains are particularly abundant in parts of Alaska andSiberia. As yet no complete specimens have been found in Alaska,although several good skulls
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