Note b — Chapter II · (continued 2)
Reading edition
Until the analysis made by Demarçay in 1837, hardly any thing was known of the composition of bile; but this accomplished chemist ascertained that its essential constituent is choleate of soda, and that the choleic acid contains nearly sixty-three per cent. of carbon. Compare Thomson's Animal Chemistry, pp. 59, 60, 412, 602, with Simon's Chemistry, vol. ii. pp. 17–21.