TEETH OF RHINOCEROS FROM ILFORD. 231
old channels in the "Lockwood Reservoir," the more northerly
of which is shown in Fig. 5, p. 8, Essex Naturalist, vol. xii.
In spite of its small scale, the photograph illustrates the
disappearance of the peat bed close to the old channels and
its replacement there by sand and gravel. The section has
now disappeared.
ON SOME TEETH OF RHINOCEROS FROM
ILFORD, ESSEX.
WITH REMARKS ON THE DISTRIBUTION OF RHINOC-
EROS IN THE THAMES VALLEY DEPOSITS.
By MARTIN A. C. HINTON.
[With Plate X]
During the course of the last six years I have had occasion
to examine many of the vertebrate remains which have been
obtained from the Pleistocene deposits of Ilford, Essex. These
specimens include among them a large series of the molar teeth
of Rhinoceros, referable for the most part to the species named
R. hemitoechus, Falconer (=R. leptorhinus, Owen). Some of these
teeth appear to me to be of such interest and importance as to
merit being described and placed on record, and they form the
subject of this communication.
The first specimens to be described are three upper molars
in my own collection which were obtained from the Cauliflower
Brickyard in 1897. One of these is a penultimate premolar of
the left side; it is somewhat damaged, the external lamina of the
outer wall being lost. The posterior valley is just isolated into
a reniformly triangular fossette. The transverse valley is just
on the verge of isolation, but whether this had been actually
accomplished or not cannot be ascertained as the inner wall of
the tooth is somewhat mutilated. The crochet is strongly bifid,
projecting a little more than halfway across the valley. The
outer wall gives off three combing plates all more or less parallel
with the crochet and one only of which has been touched by
wear. Remains of a thick coat of cement are seen on this
specimen.
The next specimen (fig. 1, plate x.) is a finely preserved
second true molar of the left upper jaw. In this the posterior
valley is still intact. The crochet is emitted at a right angle