Complex sentence: William Buckland came to see evidence of glaciers in what he had taken to be remains of the biblical Flood; neither Agassiz nor Buckland, however, adopted the new views on the antiquity of man.
Split into simpler sentences: William Buckland came to see evidence of glaciers in what he had taken to be remains of the biblical Flood. Neither Agassiz nor Buckland, however, adopted the new views on the antiquity of man.