Nasal bones of the Proteosaurus [Ichthyosaur] Size:M: 50 x 40cm Possibly Sir John Spencer in

Possibly Sir John Spencer in Canonbury House

Girls out cycling in the Essex Countryside near Clacton

Coluber planiceps

London 1958

Nasal bones of the Proteosaurus [Ichthyosaur] Size:M: 50 x 40cm Possibly Sir John Spencer inPlate 16 from the paper 'On the mode of formation of the canal for containing the spinal marrow, and on the form of the fins (if they deserve that name) of the Proteosaurus', by Everard Home, Philosophical Transactions of the Royal Society, vol. 110 (1820), pp. 159 164. Transverse section through the nasal bones of an Ichthyosaur, collected by Mary Anning at Lyme Regis. Original: watercolour on paper. 1820