My botanist fails altogether to grasp what the disappearance of diseases means. His mind has no imaginative organ of that compass. As I talk his mind rests on one fixed image. This presents what the botanist would probably call a “dear old doggie”—which the botanist would make believe did not possess any sensible odour—and it has faithful brown eyes and understands everything you say. The botanist would make believe it understood him mystically, and I figure his long white hand—which seems to me, in my more jaundiced moments, to exist entirely for picking things and holding a lens—patting its head, while the brute looked things unspeakable.... The botanist shakes his head after my explanation and says quietly, “I do not like your Utopia, if there are to be no dogs.” Perhaps that makes me

