ocr: "What man has done to poor old Felis catus. "Tedford shakes his head. "Even so, " he sighs, "under the skin, they're all alike." Bei it 000-pound Siberian tiger, 4-pound Central American oncilla, 10-pound Persian, or even the long-extinct Proatlurus in the Museum of Natural History's collection, the template remains the same. Just how did Proailurus end up as the purring Persian in Lise's lap? Among other things, it took time and changes in environ- ment. Think of the cat family as a river: sys- tem with Proailurus, the prototype, the headwaters. Millions of years unfold. Climate turns colder, ...