Fractures of the Humerus, 85 



with distinct displacement. The upper fragment is tilted 

 outwards and is rotated inwards. The articular surface of the 

 head thus looks more backwards and less upwards than in a 

 normal bone. The greater tuberosity recedes inwards from, 

 instead of projecting beyond, the line of the outer surface of the 

 shaft. The articular surface has been injured apparently ^o,s^ 

 mortem. G. C. 3213. 



3. 109. United Fracture through the Surg"ical Neck. — 



Right humerus — macerated — showing the above. 



The line of fracture has passed through the upper part of 

 the surgical neck. The upper fragment has been tilted out- 

 wards and rotated inwards in a way similar to that seen in the 

 previous specimen. There is some irregularity in the bicipital 

 groove and on the inner side, but the bone at the seat of fracture 

 is quite smooth on th« outside. G. C. 3214. 



S.'^llO. United Fracture throug-h the Surgical Neck.— 



Plaster of Paris cast of a left humerus, showing the above. 



The line of fracture has apparently been at the upper part 

 of the surgical neck, but the exact position is hidden by a 

 considerable quantity of bone thrown out round about it, 



G. C. 3253. 

 Presented by Charles W. Cathcaet, F.R.C'S.E., 1890. 



3. 111. United Fracture through the Surgical Neck.— 



Plaster of Paris cast of a left humerus, showing the above. 



The line of fracture has passed somewhat obliquely down- 

 wards and backwards from the bicipital groove. The upper 

 fragment has been rotated inwards and tilted forwards so as to 

 meet the lower fragment at an obtuse angle projecting forwards. 

 The articular surface of the humerus is thus correspondingly 

 altered in position. G. C. 3252 



Presented Uj Charles W. Cathcakt, F.R.C- E., 1890. 



