ocr: Evolution4 more advanced primate, quite similar to a modern lemur. It had a larger brain compared with the size of its body than earlier primates. It also had forward- facing eyes and relied less on the sense of smell than its ancestors. Notharctus was common in the rainforests that then covered present-day Wyoming. (Primates not unlike Notharctus were similarly well established in Eurasia and possibly Africa.) In the next 1 segment is Aegyp- topithecus, dating from some thirty- four million years ago. This fruit- eating forest dweller, 6 8