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
16. _Kitty Hawk, Currituck County._—In the Marsh collection of fossils
belonging to Yale University is a part of a skull found somewhere near
Kitty Hawk. No particulars regarding the exact place of discovery
accompany the specimen. It has already been described on page 27; and,
while there are some differences between it and the recent skulls used
for comparison, it is not believed that a distinct species is indicated.
According to L. W. Stephenson’s map of the Coastal Plain of North
Carolina (North Carolina Geol. and Econom. Surv., vol. III, plate XIII),
the coast at Kitty Hawk and for about 50 miles back of this is occupied
by the Pamlico formation. This corresponds to the upper part of the
Talbot of Maryland, and it, or part of it, may have been deposited at
the close of the Pleistocene. So far as the present writer knows, there
is nothing to show the character of the climate then prevailing. As this
Pamlico nowhere rises more than 25 feet above sea-level, and as the
thickness is usually only from 15 to 20 feet, it is possible that the
walrus skull found at Kitty Hawk had been unearthed by the waves from
the Chowan formation or some still earlier deposit.
SOUTH CAROLINA.
17. _Charleston._—In 1876 Leidy announced (Proc. Phila. Acad., 1876, p.
80) that a complete tusk of a walrus had been found in the Ashley River,
near Charleston. This tusk Leidy described and figured in 1877 (Jour.
Phila. Acad., vol. VIII, fig. 6). It had evidently been dredged from the
river in collecting phosphate rock, as have been most of the fossils of
that region. The tusk was 13 inches long. Near the base it measured 3.62
inches and transversely 1.75 inches. Leidy especially noticed the
shortness of the tusk as compared with the diameter, but concluded that
the tusk might, during the life of the individual, have been broken off
and worn obliquely at the end.
In the collection of the Charleston Museum are some fragments of tusks
of a species of walrus, probably _O. rosmarus_. One of these, No. 1028,
furnishes 184 mm. of the distal end. The width at the fracture is 60
mm., the thickness 29 mm. The distal end is worn off somewhat obliquely,
but not so much as in the tusk figured by Leidy; also, the tusk appears
to have been less curved than the one which he described. The original
length can not be determined.
Another fragment, No. 1029, was given to the Charleston Museum by Major
E. Willis and was no doubt found in the region about Charleston. This
gentleman has sent a fossil horse-tooth and a part of a sirenian to the
U. S. National Museum from Wando River. The fragment is short, but
belonged to a large tusk, its long diameter being 81 mm., the shorter
one 51 mm. It was therefore a larger tusk and one whose thickness was
relatively greater than that of the imperfect specimen found at Long
Branch and figured by Leidy.
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