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PLATE II —Postertor View—ALso UNDER SurFAcrk, MucH FORESHORTENED. 
pp. Pterygoid fossx, caused by an inward bending of two thin, blade-like processes, mak- 
ing a double partition, thus closing up the middle of the postorior nares dividing 
it into an upper and a lower. 
s. A straw entering the upper posterior nares. 
t. A straw inserted in lower posterior nares. 
oo. Outer to outer margins of occipital condyles, distance 2.6 inches. 
gg. The four upper grinders, right side. Length of the series, g to g, 3.9 inches. 
mm. Width of palate posteriorly, 2 inches. Lateral diameter of foramen magnum, 1.2 
inches. 
