Dissected thorax of a porpoise bonding Also showing traffic on the

Also showing traffic on the bridge and boats on the River Thames

Johnny Aston

' Other features indicated on the overlay are Te-Hape-o-toroa

whilst a boy plays with a dog below them and other figures look on

the 'Cagliari'

Dissected thorax of a porpoise bonding Also showing traffic on theAnatomical study of the thorax of the common or harbour porpoise Phocoena phocoena, showing the major arteries, blood vessels and ribs. Plate 3 from Histoire anatomique et physiologique d'un organe de nature vasculaire dcouvert dans les ctacs, by M. G. Breschet (Paris, 1836). Headed 'Plexus arterial des ctacs. Le tronc est vu par sa face postrieure et le canal rachidian est ouvert dans toute sa longueur' [Arterial plexus of cetaceans. The trunk is