508 



ZOOLOGY 



SECT. 



the orbit behind ; the upper is formed from the parietal ( par). 

 The facial region is comparatively short. The pre-maxillae (p. max) 

 are not greatly developed. There are distinct par-occipital pro- 

 cesses ( p. oc.). The periotic and tympanic are ankylosed together, 



par 



FIG. 1087. Skull of Hyrax. Letters as in Fig. 1063, p. 491; in addition, int. par. inter- 

 parietal ; ty. tympanic. The suture between the frontal and parietal has been by an error 

 made to run behind the post-orbital process. 



FIG. 1088. Section of skull of African Elephant (Elephas africanus), to the left of the middle 

 line. a. n. anterior nares ; ME. mesethmoid ; p. n. posterior nares ; Fo. vomer. (After Flower.)- 



but not to the squamosal. The tympanic (ty.*) forms a bulla with 

 a spout-like prolongation. 



In the Proboscidea (Fig. 1088) the bones of the skull are of 

 enormous thickness, the inner and outer tables being separated by 



