508 



ZOOLOGY 



SECT. 



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

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

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

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



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 



