260 ^^6 Philippine Journal of Science 



pearance of the bone and joint lesions. Salvarsan is a specific 

 in these cases, and rapid regeneration of bone follows its use. 

 Regeneration of the bone is complete at the site of the lesion if 

 the destruction has not been too great. 



Dr. Ricardo Fernandez corroborated Doctor Maul's findings 

 and exhibited an X-ray plate of a case with lesions of yaws in 

 the vertebrae. 



R. B. Gibson, 

 Editor of the Proceedings, 



Manila Medical Society. 



