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EXPLANATION OF PLATE 26. 
Fig. 1. Drawing of wax model of Left Upper Deciduous Molar. Postero- 
internal view. Stage IT. 
2. Drawing of wax model showing crown-surface of Left Upper Succes- 
sional Molar. Stage IIL. 
3. Drawing of wax model of Left Third Upper Cheek-tooth. Posterior 
view. Stage II. 
