PLATE, ViIit- 
FicurE A.—Case No. 8. Showing osteoid tissue in cartilage 
covering the head of femur. B. and L., ac. 1, obj. 3. 
FicureE B.—Case No. 8. Showing osteoid tissue in compact bone, about 
the Haversian canals. Replacement of bone marrow by highly 
cellular tissue containing osteoclasts, resembling giant- 
celled sarcoma. B. and L., cc. 1, obj. 3. 
