Figure 23. Rarefaction curves for the Calf Creek (C.C.) and Medicine Pole Hills (M.P.H.) local faunas. The blue line is for all specimens at M.P.H.; the red, for M.P.H. cranial elements only (see text), with associated the 95% confidence intervals in yellow. The purple line is for all elements at C.C.; the black, for C.C. cranial elements at only. Data from the Calf Creek l.f. derive from Holman (1972); data from the Medicine Pole Hills l.f. are from this study.