1. Hodgkin's disease may be confined to the skeleton and liver without glandular involvement.
2. Bone-marrow lesions of typical structure are observed in generalized Hodgkin's disease, but, as a rule, the cortical tissue and periosteum remain intact.
3. It is possible that many peculiar osteal and periosteal lesions attributed to primary tumors, or to obscure inflammatory processes, belong in this group.