The Universal Kinship

It was in the zoology class at college. We had made all the long journey from amoeba to coral, from coral to worm, from worm to mollusk, from mollusk to fish, from fish to reptile, and from reptile to mammal-and there, in the closing pages of faithful old Packard, we found it. "A mammal of the order of primates," the book said, with that unconcern characteristic of the deliverances of science. I w...