THERE are four well-marked species of this genus in the collection. Two of them appear to be identical with European species, and two are new. The former are cretaceous forms: of the latter, one is nearly allied to a cretaceous and the other to oolitic species. Not one of tne specimens is in perfectly good condition, so that the certainty of the determinations may hereafter be questioned.

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Elephant was sent to Dr. Mantell by the late Mr. Drewitt of that place, who was ever anxious to promote scientific research. I saw these remains soon after they were found, and possess one of the teeth.They consisted of a tusk foiu-feet and a half long, foiir grinders, and the bones of the head. The teeth were in very good preservation, but the bones and tusk too much decayed to be removed, though great care was exercised in order to preserve them. My friend Mr. Robert Drewitt, who now resides at Peppering, informs me, that his father found also a tusk near seven feet long and other bones of the Elephant at a short distance from the locality of the former discovery.This spot may be considered as a similar deposit to Dr. Mantcll's Elephant-bed at Brighton, the Post-Pliocene formation of Mr. Lyell. The remains of elephants have been discovered at Biu'ton, in Arundel Park, at Brighton, and in other parts of Sussex, and I may say, in most counties of England. Fig. 3. Pecten pohjmorphtis, Bronn, p. 627 : natui'al size. Described at great length with several varieties in PhOippi's 'Enumeratio MoUuscorum Siciliae,' pp. 79 and 85, both as fossil and recent. Tliis shell I beHeve has not been observed before in this country ; I have several specimens of it, some much larger, from the muddy deposit in which the Elephant's head was discovered ; it occurs with other marine shells which are not now found recent on the coast. I am much obliged to Mr. G. B. Sowerby for naming the more obvious examples of this deposit ; the Lutraria rugosu and the Pullastra aurea are not uncommon in the Post-Pliocene deposits at Bracklesham Bay. Those marked with an asterisk are found quite recent on the shore. Shells named hj G. B. Sowerbij.-Most of the shells named in this list are w'ell-known and common species belonging to the shores of Britain ; one however is a very remarkable exception, namely the Lutraria rugosa, a species which abounds in some parts of the JMediterranean, and of which I possess specimens in a fossil state from Astigiani. -G. B. S.

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