The Pleistocene of North America: and its vertebrated animals from the states east of the Mississippi River and from the Canadian provinces east of longitude 95°Hay, Oliver Perry
Science
The Pleistocene of North America: and its vertebrated animals from the states east of the Mississippi River and from the Canadian provinces east of longitude 95°
Hay, Oliver Perry
Paleontology -- North America; Paleontology -- Pleistocene; Vertebrates, Fossil
┌───────────────────────────────┬───────────────┬───────────────┐
│ │ Tapirus │ │
│ │ veroensis? │Tapirus haysii.│
├───────────────────────────────┼───────┬───────┼───────┬───────┤
│ │Length.│Width. │Length.│Width. │
├───────────────────────────────┼───────┼───────┼───────┼───────┤
│Length of all 3 molars combined│66 │ │79 │ │
│First molar │20 │17 │25 │28 │
│Second molar │23 │18.5 │26 │31.5 │
│Third molar │24 │18 │28 │32 │
└───────────────────────────────┴───────┴───────┴───────┴───────┘
In the collection of Charles C. Pinckney, at Lambs, South Carolina, are
2 tapir teeth, one of which is an upper molar, not yet come into use,
apparently the last tooth of the right side. The length of the crown is
25.5 mm., the width in front 27.5 mm., behind about 23 mm. In front is a
pretty strong cingulum, but there is none behind. This tooth is referred
to _Tapirus haysii_.
In the Scanlan collection from Charleston, now the property of Yale
University, are various specimens of tapirs. An upper left second molar
is slightly worn. The length is 24 mm., the width 30 mm. The outer
border of the crown makes a right angle with the anterior border; in _T.
terrestris_ the outer anterior corner is considerably less than a right
angle. In the latter the hinder faces of the protocone and of the
hypocone are concave; in the tooth here described both hinder faces are
swollen, and the crests appear more depressed than in _T. terrestris_.
It is regarded as belonging to _T. haysii_.
In the Scanlan collection are 3 lower molars which the writer refers to
_T. haysii_. The following are the measurements:
_Measurements, in millimeters, of lower molars of tapirs in the
Scanlan collection._
┌────────────────────────────────────────────────────┬───────┬───────┐
│ │Length.│Width. │
├────────────────────────────────────────────────────┼───────┼───────┤
│Left third? molar, with the rear cingulum broken off│28± │22.5 │
│Left second molar │25.5 │21 │
│Right second molar │27 │21 │
└────────────────────────────────────────────────────┴───────┴───────┘
In the Scanlan collection is a fragment of the left maxilla with 4
teeth, the last premolar and the 3 molars. The specimen resembles figure
1 of Leidy’s plate XVII of Holmes’s “Post-Pliocene Fossils of South
Carolina.” The teeth of the Scanlan specimens are, however, less worn.
The hinder molar had not yet come through the gum. The specimen is
referred to _T. terrestris_. The following are the measurements:
_Measurements, in millimeters, of upper teeth of Tapirus terrestris._
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