Philosophical Transactions of the Royal Soc.

Philosophical Transactions of the Royal Society, London, 1849. Parts I and II. Plate I, opposite page 45. Fig.1, represents the great cardiac ganglione plexus of nerves, situated between the aorta and pulmonary artery... Fig.2, represents the ganglia and nerves at the apex of the anterior surface of the adult human heart in the natural state...