Figs. 9, & 12. Trigonellites lata, of Mr. Parkinson.
Figs. 10, & 11. —— lamellosa.
Figs. 13, & 14. Corbida revoluta, of Sowerby. London clay, Highgate.
Fig. 16. An imperfect specimen of Lysianassa (Mya) literata, from the fullers' earth of the Oolite, Wiltshire.
Figs. 15, & 17. Cardita senilis, of Sowerby. From the Red crag of Suffolk.
Plate LXV.