Northern Illinois University  Evolutionary Tree   To download any of this picture, right mouse click on the link below each picture and select "Save Target As..." or "Save Link As..." From left to right the primate species depicted on the tree are: a lemur (Lemur catta), an adapid (Hoanghonius stehlini), a tarsier (Tarsius bancanus), an omomyid (Shoshonius cooperi), a proto-monkey (Eosimias centennicus), a South American monkey (Saimiri sciureus), an Old World monkey (Mandrillus sphinx), a great ape (Gorilla gorilla), and a human (Homo sapiens).   Graphics by Mark A. Klingler, Carnegie Museum of Natural History   Download Links: color (hi-res - very large file) color (smaller file) black and white (hi-resolution - very large file) black and white (smaller file)