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EXPLANATION OF PLATES. 



PLATE XII. 



FIG. 



1. Top view of skeleton of Rhinesuchus senekalensis. x 



'2. Top view of skull of Kliinesiichux senekalensis. x }. 



3. Top view of skull of Rhinesuchus ichaitxi. < -,%. 



4. Palatal view of skull of Rhinesuchus whaitsi. < ^. 



PLATE XIII. 



1. Top view of skull of Gorgonognathus loiujifrons. x f. 



2. Top view of skull of Scyinnoi/nathus scrratidcns. x % nearly. 



3. Side view of skull of Gorgonognathus longifrons. x f. 



4. Side view of skull of Scymnognathus scrratidcns. x J nearly. 



