20 THE TONER LECTURES. 



Distance from longitudinal line to outer margin first molar, left, 

 30°""; right, 28°"°; to outer margin 2d molar, left, 32"°'; right, 

 30""° ; to outer margin 3d molar, 30 left, 30 right. 



Angle of left petrosal element, 50° ; left vaginal process, 50° ; left 

 tympanic bone, 90°. Angle of right })etrosal element, 50° ; right 

 vaginal process, 40° ; right tympanic bone, 90°. 



Left zygomatic fossa, 26"" deep ; right, 28°" deep. 



Left zygomatic arch at suture, 4"" wide ; right, 6"" wide. 



Other peculiarities : Large, thick perpendicular plate of ethmoid 

 bone ; septum straight ; longitudinal palatal suture not straight ; 

 jugular and carotid foramen smaller on left than right ; also the 

 canal for tensor tympani muscle ; bregraal and post-bregraal por- 

 tions of sagittal suture deflected, the latter about 60° ; lachrymal 

 crest inferiorly produced, but not touching maxilla ; lingual process 

 of sphenoid bone absent on right. 



Distance from middle point of tympanic bone to base of malar 

 process of maxilla, 8" ; from alveolar process, left, 6", and alveolar 

 process right. 



The following notes were takeu to iudicate au occasional character 

 which varied in size on the two sides of the norma : 



No. 127, Turk (Col. of Physicians) : 

 Left angular process, 8"" ; right, 10"™. 

 Stephanion more interrupted on the right than the left side. 



No. 132 (Col. of Physicians) : 

 Left side palate deflected. 

 Right, depth of zygomatic fossa, 16""°; left, 17"". 



No. 92, Uskoke (Col. of Physicians) : 

 Left, width from basion to outer border transverse process of 

 occipital bone, 44"" ; right, 41"". 



Left, depth of zygomatic fossa, 20"" ; right, 23"". 

 Left, width of malo-zygomatic suture,* 6""; right, 8"". 

 Left, width of bulbo-petrosa narrower than on right. 

 All parts of the right side of the vertex smaller than I^ft. 



