Inconsistent spelling and hyphenation have been retained.
Depending on the hard- and software used to read this text and on their settings, not all elements may display as intended.
Page 194: in the source document, the section headers (“Single Comb White Leghorns Only” and “It’s “Strain” You Want”) are printed in the middle of the text paragraph.
Changes made:
Illustrations and tables have been moved out of text paragraphs.
Text in a dashed box has been transcribed from the accompanying illustration, and does not occur as text in the source document.
Some minor obvious typographical errors and missing punctuation have been corrected silently. Dimensions have been standardised to m × n.
Page 9, Table of Contents: the entry “Buildings on the Corning Egg Farm and Many Handy Devices” has been added.
Page 10-13: illustration numbers were added.
Page 147: the addenda slip has been inserted at the end of the page.