BULLETIN FLORIDA STATE MUSEUM D S 1 2 3 4 5cm tI I I I I FIGURE 5.-Immature Nannippus phlegon from Santa Fe River 4A, Florida. (A) UF 21319, lateral view of right mandibular ramus with dP, dP,; (B) UF 21319, occlusal view; (C) UF 21320, lateral view of left mandibular ramus with dP, dP,; (D) UF 21320, occlusal view. Because of the same provenance and stage of wear, these two specimens are almost certainly from the same individual. (i Vol. 25, No. 1