div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=a-mutation-to-caracul-in-the-house-mousehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A Mutation to Caracul in the House Mouse loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsmxreader030viewer2022020522575068071a28ab0f07ae450ahtml5thumbnails1jpg width=140 height=200 divp© 1956 Nature Publishing Grouppdiv