Plates, from 'Observations intended to show that the progressive motion of snakes is partly performed by means of the ribs' by Everard Home Plates intended to accompany PT/6/8 erroneously bound into 1813 volume of Philosophical Transactions. Plates are ink and grey watercolour and show abdominal muscles of boa constrictor. Drawn by William Clift. A further illustration for this paper has been separated from the manuscript and is found at PT/73/3/3. Subject: Zoology Published in Philosophical Transactions as 'Observations intended to show that the progressive motion of snakes is partly performed by means of the ribs'. Read 27 February 1812. [1812]