PLATE XVI. 
Cast Aye brain-case ag Di were 
Figs. | and 2. Cast of ial aren natural size. As pa? basicranial 
g is lost, ae inferior onthe posteriorly is provisional only. 
lg. 
Fig. 2) from the ‘left 8 ide. ’ 
Fig. 3. Skull of Diadectes phaseolinus Cope, from above. 
