Transcriber's Notes:
Illustrations have been moved from the middle of a paragraph to the
closest paragraph break. Missing page numbers are connected to blank
pages and moved illustrations. The following illustrations have been
moved to other pages:
- moved Fig. 1 from page 36 to page 38
- moved Fig. 2 from page 37 to page 38
- moved Fig. 3 from page 92 to page 93
- moved Fig. 4 from page 94 to page 93
- moved Fig. 5 from page 217 to page 218
- moved Fig. 7 from page 225 to page 226
- moved Fig. 8 from page 248 to page 249
The word up-hill and uphill has been retained in both versions.
Other than the corrections listed below, printer's inconsistencies
in spelling and punctuation have been retained:
- changed "spent mainly indoors?" into "spent mainly in-doors?" page 39
- changed "his work on "Sleep," as to" into "his work on "Sleep", as to"
page 44
- changed "them "photographed, stripped to the waist, both" into "them
"photographed, stripped to the waist", both" page 144
- changed "the 'longshore-man—all at" into "the 'longshoreman—all at"
page 180
- changed "bar A A, the operator simply" into "bar A A', the operator
simply" page 216
- changed "meets the breast-bone, until" into "meets the breastbone,
until" page 244
- changed "out at arms-length, say" into "out at arm's-length, say"
page 249
- changed "it to the floor. and so" into "it to the floor and so"
page 258
- changed "and fore-arm work, catch" into "and forearm work, catch"
page 274