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]