I argue that third person is not underspecified: there must be a distinct feature. add to the existing body of morphological arguments for this conclusion (Nevins 2007; Trommer 2008, a.o.) syntactic argument: show omnivorous agreement in Algonquian languages. focus here on two, Blackfoot (Plains Algonquian) and Plains Cree (Central Algonquian), demonstrating they have an suffix (the peripheral ...