[Page 104]: "thermolable" changed to "thermolabile" (Because of the necessity of thermostable and thermolabile substances for light production ...)
[Page 105]: "thermolable" changed to "thermolabile" (luciferase (=photogenin) for the thermolabile material ...)
[Page 111]: "preslence and H2O3" changed to "presence of H2O2" (lophin could be oxidized by vertebrate blood in the presence of H2O2.)
[Page 116]: "or" changed to "of" ( ... and would disappear from solution in the course of a day or so.)
[Page 116]: changed "oxidizible" to "oxidizable" (The luciferins, as the oxidizable substances, must claim first attention.)
[Page 123]: "contrated" changed to "concentrated" (1 c.c. portions of concentrated luciferin)
[Page 132]: "coluciferase" changed to "co-luciferase" (He now regards it as identical with his co-luciferase)
Page 151, [Table 13]: corrected duplicate numbering "10" to "11" (11 Ferric chloride)
Page 151, [Table 13]: corrected duplicate numbering "14" to "15" (15 Chromic sulfate)
Page 151, [Table 13]: abbreviated "minute" to "min." in two entries (boiled 1 min. and filtered)