Obvious typographical errors have been corrected, but variations in
spelling, punctuation and hyphenation have been retained.
Rabbit 396. The date August 15 has been corrected to August 19.
The data for Rabbit 123 is presented as printed in the original,
although it is likely that the Caffein per kilo. values should be
preceded by a decimal point (or that the heading should be Mg.).
Standard footnotes are identied alphabetically thus [A]. Notes to the
tables are placed directly under the tables and identified numerically
thus (1). Numeric references within the text refer to the bibliography.
The headings of Table 18 have been abbreviated for clarity on small
screens.
Italics are shown thus _italic_ and bold thus =bold=.