213
THE POST-PLIOCENE NON-MARINE MOL-
LUSCA OF ILFORD, ESSEX.
By A. S. KENNARD and B. B. WOODWARD, F.L.S., F.G.S.
IN 1897 the Non-Marine Mollusca from the Pleistocene
deposits at Ilford were described by us in the Essex
Naturalist.1 Since then Mr. Martin A. C. Hinton has collected
extensively in the Cauliflower Pit and his specimens were placed
at our service. All the old collections were made in the Uphall
Pit, where the shells were abundant, but in the Cauliflower Pit
they are scarce, and it is by no means uncommon for a diligent
search to yield only two or three specimens. As we noticed in
our previous paper, Dr. Corner's examples were also obtained
from this latter pit, and from these two collections we are now
able to list thirty-four species from this pit, viz. :—
Vitrea nitida (Müll.)
,, nitidula (Drap.)
Vallonia pulchella (Müll.)
Hygromia hispida (Linn.)
Helicigona arbustorum (Linn.)
Helix nemoralis (Linn.)
Helicella virgata (Da Costa)
,, caperata (Mont.)
Pupa cylindracea (Da Costa)
,, muscorum (Linn.)
Vertigo antivertigo (Drap.)
Succinea putris (Linn.)
,, elegans Risso
Limnaea pereger (Mali.)
,, palustris (Müll.)
,, truncatula (Müll.)
,, stagnalis (Linn.)
,, glabra (Müll.)
Planorbis glaber (Jeff.)
,, carinatus (Müll.)
,, marginatus (Drap.)
,, vortex (Linn.)
,, spirorbis (Linn.)
,, contortus (Linn.)
lineatus (Walk.)
1 "The Post-Pleistocene Non-Marine Mollusca of Essex.' By A. S. Kennard and B. B.
Woodward, F.L.S. Essex Naturalist, vol. x., pp. 103-5.