274
S. HAZZLEDINE WARREN.
implements are never found in the glacial gravels, but always
over them. The Third Terrace is referred to the Rissian (17).
Taubach.—Middle Palaeolithic overlying glacial (vide page
270).
Sirgenstein.—Arctic rodents overlying Upper Mousterian
and in the Magdalenian (vide page 271).
Pocala Cave, west of Trieste. This cave yields a Mousterian
industry, and the evidence is claimed to indicate a post-Wurmian
date.
Cotencher.—Mousterian alleged to be of Wurmian date*
(vide page 270).
Bouchieta Cave (near Tarascon-en-Ariege). This is again
a Mousterian industry, and it rests directly upon the moraine
of a major glaciation which is referred to the Rissian. The
relative date to the later moraines is not indicated.
Hornchurch District.—Very fine sections have recently
been exposed in the construction of one of the new trunk roads.
I have carefully examined these, side by side with the descrip-
tions of the railway cuttings given by T. V. Holmes (18), and
my own conclusion is that the whole group of deposits is one
related series of glacial date. The associated laminated loams
confirm a suggestion previously made by the writer (19), that it
was an over-deepened area—the bed of a glacial lake basin ;
the finely stratified deposits being laid down when the con-
ditions chanced to be more tranquil, and water instead of ice
occupied the over-deepened hollow.
High Lodge, Mildenhall, vide page 271.
West Runton, near Cromer.—The cliff section here shows
a palaeolithic river gravel overlying the glacial sands and con-
torted drift. This gravel occupies the floor of a well-marked
river valley, which is obliquely cut across by the cliff section.
This has yielded a few Palaeolithic implements which appear
to be referable to the Acheulian stage.
Foxhall Road, Ipswich.—The recent excavations at this
site (20) have now finally proved that the Late Acheulian deposit
lies in an eroded hollow of the Chalky Boulder Clay, which has
been proved below it (as at High Lodge under the Mousterian
deposit), and further, the material composing the Acheulian
strata consists of re-constructed Boulder Clay with the distinctive
suite of heavy minerals. The Acheulian strata are overlaid by
Trail of the usual character (21).
Stoke Bone Bed (Ipswich).—This is described as resting
upon the Middle Glacial sands, with a thin layer of what Miss
Layard believed to be Chalky Boulder Clay between. Even if
the Chalky Boulder Clay be not in place, but re-distributed, the
* It must be post-Rissian on account of the occurence of the distinctive Rissian erratics
in the Mousterian deposit.