PLATE I. 



Ovibos moschatus, Blainville. 



Fig. 



1. Basi-occipital of Ovibos vioschatus, from the Lower Brickearths, Crayford, Kent. 



1\\ tiie Museum of the Geolosrical Survey. 



2. Basi-occipital of Ooibos moschatus. North America. British Museum. 



3. Basi-occipital Bubalus caffer. British Museum. 



4. Basi-occipital of Argali, Cajnovis Ar(jali of Ladak. British Museum. 



