div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: A Text-Book of Physiology src=https:reader035fdocumentsinreader035viewer2022080320575067941a28ab0f07ac301dhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1888 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: A Text-Book of Physiology src=https:reader035fdocumentsinreader035viewer2022080320575067941a28ab0f07ac301dhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© 1888 Nature Publishing Grouppdiv