PLATE 18. 



Fig. 1 . Skull B ; the skull of the skeleton purchased by the British Museum of Major Powell-Cotton. 



Dorsal view, one-third natural size, with the ossicones in position, 

 the ossicones removed. 



In Plate 3, fig. 2, the skull is drawn with 



Fig. 2. Skull B ; the skull of the skeleton purchased by the British Museum of Major Powell-Cotton. 

 Sagittal section, one-third natural size. 



f.b., frontal boss upon which the ossicone fits ; fin., fronto-nasal suture; AB, a line drawn through the 

 basicranial axis ; CD, a line drawn along the palate, from the under side of the premaxilla to the under side 

 of the back of the cranium. 



AOLARQ * SOt im 



