<br><p><b>Identifier</b>: cu31924101523425 (<a class="external text" href="https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&amp;profile=default&amp;fulltext=Search&amp;search=insource%3A%2Fcu31924101523425%2F">find matches</a>)<br><b>Title</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookidcu31924101523425">A study of selections for the variation and inheritance of the size, shape and color of hens' eggs</a><br><b>Year</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookyear1920">1920</a> (<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookdecade1920">1920s</a>)<br><b>Authors</b>:  <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookauthorBenjamin__Earl_W___Earl_Whitney___b__1889">Benjamin, Earl W. (Earl Whitney), b. 1889</a><br><b>Subjects</b>:  <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/booksubjectPoultry">Poultry</a> <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/booksubjectEggs">Eggs</a> <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/booksubjectVariation__Biology_">Variation (Biology)</a> <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/booksubjectHeredity">Heredity</a><br><b>Publisher</b>:  <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookpublisherIthaca__N_Y_">Ithaca, N.Y.</a><br><b>Contributing Library</b>:  <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookcontributorCornell_University_Library">Cornell University Library</a><br><b>Digitizing Sponsor</b>:  <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/booksponsorMSN">MSN</a><br><br><b>View Book Page</b>: <a rel="nofollow" class="external text" href="https://archive.org/stream/cu31924101523425/cu31924101523425#page/n25/mode/1up">Book Viewer</a><br><b>About This Book</b>: <a rel="nofollow" class="external text" href="https://archive.org/details/cu31924101523425">Catalog Entry</a><br><b>View All Images</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookidcu31924101523425">All Images From Book</a><br>
Click here to <a rel="nofollow" class="external text" href="https://archive.org/stream/cu31924101523425/cu31924101523425#page/n25/mode/1up"><b>view book online</b></a> to see this illustration in context in a browseable online version of this book.<br><br><b>Text Appearing Before Image:</b><br><i>s for the color character, and of recordingthe colors for reference during succeeding generations of the birds, wasa difficult one to develop. Various schemes were contemplated andmany of these were tried. Schemes of using color tops or wheels, varioustypes of colorimeters, colored photography, and so forth, were considered,but were discarded as being too slow, expensive, or inaccurate. It is verydifficult to match the color of an egg with that of any other surface. It wasdecided that if a system of matching colors was to be followed, in orderto do the work rapidly the eggs must Jbe matched to other eggs of standardcolors. ^ By a careful inspection of all eggs produced on the plant for severaldays, a graduated set of colors containing about fifty tones from chalk-white to dark chocolate brown was obtained. The first seventeen ofthese tones were the only ones used in the experiment. The contents ofthese eggs were blown, and the shells were numbered consecutively and Mbmoie 31 Plate VII</i><br><b>Text Appearing After Image:</b><br><i>Plate VII KEY TO COLOR NOTATION USED FOE COLOB STUDIES OF EGGS Color notation number Equivalent inRepertoire de Couleurs • Plate Ton(Tone) 1 . ...1 1 2 11 1 3 .. .11 2 4 . 11 3 5 ; 2 .. ..1 6 10 1 7 10 2 8 9 . . 3 9 9 4 10 ....312 1 11 ....312 2 12 67 1 13 ... .36 1 14 68 1 15 .....68 2 16 68 3 17 68 4 206 Eahl W. Benjamin arranged in a tray. These standard eggs were then carefully matchedwith their respective colors in Repertoire de Couleurs^ (Plate VII). The color of eggshells is not permanent and will fade considerablyif exposed to the Hght for any great length of time. The practice wastried of coating the shells, with various preparations intended to preservetheir color, but this was not successful, as all these preparations containedso much color in themselves that the color of the shells thus coated wasmaterially changed. The method finally followed was to use, as standards,eggs with the natural surface. The tray of eggs was kept covered witha black cloth except when in use, a</i><br><br><b>Note About Images</b><br></p>
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<ul><li>Source book page: <a rel="nofollow" class="external free" href="https://archive.org/stream/cu31924101523425/cu31924101523425#page/n25/mode/1up">https://archive.org/stream/cu31924101523425/cu31924101523425#page/n25/mode/1up</a></li></ul>