92 



THE SKELETON 



The facial skeleton is relatively small in consequence of the small size of the mxsal fossae, 

 the small size of the antrum, and the rudimentary condition of the alveolar borders of the 

 maxilhe and mandible ; these are as wide as they are high, and are almost filled with the 

 turbiuals. 



Fig. 99.— Tuk Craxium at IIiktit ix Sagittal Skctxon. 



Fig. 100. — The Occipital at Birth. 



INTERPARIETAL PORTION (DEVELOPS IN 

 MEMBRANE) 



THE INTERPARIETAL AND SUPRA- 

 OCCIPITAL PORTIONS FORM THE 



SQUAMO- OCCIPITAL OF THE 

 ADULT 



SUPRA-OCCIPITAL PORTION (DEVELOPS 

 IN CARTILAGE) 



BASI-OCCIPITAL 



The Peculiarities of Individual Bones at Birth 



The occipital consists of four distinct parts: the basi-occipital, two ex-occipitals, and the 

 squamo-occipital; these I'our })arts are united by hyaline cartilage. (\)niiiared with the adult 

 bone, the following are the most important i)oints of distinction : — There is no pharyngeal 



