Nasal bones of the Proteosaurus [Ichthyosaur] mb-height 1234 muscles of the serosa membrane/

muscles of the serosa membrane/ the windpipe's first branch d

Wales with figures on a stony beach in the foreground

and this is one of the last of their fleet of sixty

The Crown and Anchor Tavern

Nasal bones of the Proteosaurus [Ichthyosaur] mb-height 1234 muscles of the serosa membrane/Plate 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