[317] cf. p. 222, [note 1].

[318] Choledochous.

[319] More exactly peristolé; cf. p. 97, [note 1].

[320] Neuburger says of Erasistratus that “dissection had taught him to think in terms of anatomy.” It was chiefly the gross movements or structure of organs with which he concerned himself. Where an organ had no obvious function, he dubbed it “useless”; e.g. the spleen (cf. p. [143]).

[321] i.e. contracting and dilating; no longitudinal movements involved; cf. p. 263, [note 2].

[322] cf. p. 282, [note 1].

[323] Book II., chaps. [ii]. and [viii].

[324] Note use of psychological terms in biology. cf. also p. 133, [note 3].

[325] “In everything.” cf. p. 66, [note 3].

[326] Galen confuses the nutrition of organs with that of the ultimate living elements or cells; the stomach does not, of course, feed itself in the way a cell does. cf. Introduction, p. [xxxii].