536 Diseases of Joints. 



7. 261. Arthritis Deformans, with Anchylosis.— Five lower 



dorsal and three upper lumbar vertebrae — macerated, illustrating 

 the above. 



The usual irregularity at the intervertebral margins is seen, 

 and large masses of bone have been thrown out along the right 

 side, where they completely unite the bodies. 



B. C. I. 3. M. 73, 



7. 262. Arthritis Deformans, with Anchylosis. — Two dorsal 



vertebrae — macerated, illustrating the above. 



The bodies of the vertebrae are completely united on the 

 right side by a newly formed bridge of bone. G. C. 996. 



7. 263. Arthritis Deformans, with Anchylosis. — Two lumbar 



vertebrae — macerated, illustrating the above. 



The bodies, articular processes, and spines are firmly anchy- 

 losed. F. P. C. 807. 



Presented by Professor John Thomson. 



7. 264. Arthritis Deformans, with Anchylosis.— Two cervi- 



cal vertebrae — macerated, illustrating the above. 



The bodies, left articular processes, and laminae are 

 fused together. F. P. C. 327. 



Presented by Professor John Thomson. 



7, 265. Arthritis Deformans, with Anchylosis.— Portion of 



a sacrum with the lumbar and lower dorsal vertebrae — mace- 

 rated, illustrating the above. 



The lumbar part, with what remains of the dorsal of the spine, 

 is bent forward. The spines, laminae, and articular processes 

 are completely fused throughout, and the upper three bodies 



