546 Diseases of Bone. 



to show its character. It is formed of large masses, surrounded 

 by fibrous tissue. The interior of these masses is broken up 

 into small portions, apparently by the softening of the matrix, so 

 that the tumour has an irregular, honeycombed appearance, 

 which is a great contrast to the firm texture of the chondroma 

 of the fingers, placed in juxtaposition to it. Microscopically 

 this tumour consists of a substance resembling embryonic 

 cartilage, showing numerous spindle cells, with a relatively small 

 proportion of inter-cellular substance. G. C. 2726, 



Presented hy Patrick Herox Watson, F.R.C.S.E. 



6. 368. Chondro-Sarcoma of Scapula and Chondromata 



of Fingers and Humerus. — Photograph of the cicatrix about 

 six months after the removal of the above tumour. Taken 20th 

 June 1884. G. C. 3401. 



Presented hy T. Burn Murdoch, M.D. 



6. 369. Chondro-Sarcoma in Lung".— Portion of lung from 

 previous case — in spirit. 



Nodules of chondro-sarcoma are scattered through the lung 

 substance. The nodules on section show a naked-eye appear- 

 ance similar to that seen in the large tumour of the scapula. 

 Microscopically also the characters are the same as those of the 

 original tumour. G. C. 3184. 



Presented hy T. M. Burn Murdoch, M.D. 



6. 370. Chondro-Sarcoma of Humerus. — Section of what had 



been an enormous tumour — in spirit, illustrating the above. 



John Bell called it an " osteo-sarcoma arising from the 

 humerus." 



