Page [180] “Abfällen, Vieweg, Braunschweig,” - had “Viewig”.

Page [188] “wires d from the dynamo D” - had “dynano”.

Page [191] “phosphate are attached, for example,” - had “attached, For”.

Page [192] “But phosphatides occur” - had “phosphatide soccur”.

Page [193] “the nucleic acid from the thymus” - had “nucleidic”.

Page [199] “acetylcholine esterase.” - had “acetylcholin”.

Page [200] “George de Hevesy, Carl F. Cori,” - comma added after Hevesy.

Footnote [39]: “See, e.g., Chemical Week, vol. 77” - had “See. e.g.”

[Index Entry]: “Gahn, Johann Gottlieb, 182” - had “Gähn”

The spelling of “Bertholet” [Claude Louis Berthollet] is as given on the original title page of the work referenced in this paper.