div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader043fdocumentsinreader043viewer20220402145ec825be80505d7a8a78ed97html5page1jpg target=_blank img data-url=documentfelis-atrox-by-leidy-in-1853-f-imperialis-leidy-1873-is-a-synonym-howeverhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · Felis atrox by Leidy in 1853 F imperialis Leidy 1873 is a synonym However Hemmer 1974 and others regard it as a subspecies Panthera leo atrox of lion and I concur with loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsinreader043viewer20220402145ec825be80505d7a8a78ed97html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader043fdocumentsinreader043viewer20220402145ec825be80505d7a8a78ed97html5page2jpg target=_blank img data-url=documentfelis-atrox-by-leidy-in-1853-f-imperialis-leidy-1873-is-a-synonym-howeverhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · Felis atrox by Leidy in 1853 F imperialis Leidy 1873 is a synonym However Hemmer 1974 and others regard it as a subspecies Panthera leo atrox of lion and I concur with loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsinreader043viewer20220402145ec825be80505d7a8a78ed97html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader043fdocumentsinreader043viewer20220402145ec825be80505d7a8a78ed97html5page3jpg target=_blank img data-url=documentfelis-atrox-by-leidy-in-1853-f-imperialis-leidy-1873-is-a-synonym-howeverhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: · Felis atrox by Leidy in 1853 F imperialis Leidy 1873 is a...