div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentsmxreader042viewer2022020522575067d11a28ab0f07ad4be5html5page1jpg target=_blank img data-url=whale-marking-in-south-georgiahtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Whale-Marking in South Georgia loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsmxreader042viewer2022020522575067d11a28ab0f07ad4be5html5thumbnails1jpg width=140 height=200 adivp© 1934 Nature Publishing Grouppdiv