PLATE XXII. Photograph of head of female subject, aged 33 years, with dark lines 



indicating planes of coronal sections. 

 Section I. Through external angular process. 

 ,, 2. Through middle of zygomatic arch. 

 3. Through depression in front of tragus. 

 4. Just behind posterior attachment of pinna. 

 ,, 5. Midway between external auditory meatus and external 

 occipital protuberance. 

 (No section made in plane marked 6.) 



