4i6 



DISEASES OF UNCERTAIN .ETIOLOGY 



symptoms, palpable spleen, subcutaneous abscesses, sometimes oedema 

 of the arms or legs. 



The characteristic lesions are " nockiles " of the lungs, liver and 

 kidneys, the former resembling patches of broncho-pneumonia. 



The abscess mav be subcutaneous or intramuscular, or in the lymph 

 glands, liver or spleen. 



The mesenteric glands suppurate, the sigmoid colon becomes 

 ulcerated; petechias have been seen in the endocardium. 



Arm infected and scarred from morphine injections. Both arms were in the same 



condition. (By Jefferys.) 



Diarrhoea has been noted. 



The duration of the disease is from one to three months. 



The disease is also known as Morphine Injector's Septicaemia. 



ONYALAI. 

 DEFINITION. 



An acute infectious disease of unknown causation, characterized 

 by the appearance of bulk-e containing blood, on the surface of the 

 body, the tongue, soft palate, or buccal mucous membrane. 



