PATHOLOGICAL MAMMALIAN TRYPANOSOMIASIS i57 

 quite young but not in older children. A peculiar bronze colour of 

 the skin probably due to the invasion of the suprarenal capsule. The 

 lymphatic glands enlarge in the neck, axilhe, groin and the parotid 

 also. 



(2) Myxoedematous . 



The thyroid gland atrophies with the usual classical symptoms of 

 myxoedema, e.g., rough skin, loss of hair, firm oedema, arrest of 

 mental development in younger children, mental degeneration of older 

 ones. There may be inflammatory eye troubles. 



(3) Cardiac. 



There is arrhythmia, alarrhythmia, extra systole, sinus irregularities. 



(4) Nervous. 



Spastic paralysis in the legs. 



Athetosis in the arms. 



Aphasia, pseudo-bulbar paralysis, suprabulbar paralysis. 



(5) Chronic with acute and sub-acute exacerbations. 

 Preponderance of fever. 



This variety causes a heavy mortality. 

 The parasites are rarely found in the blood. 

 It has a long history. 



It usually occurs in patients showing marked enlargement of the 

 thyroid gland. Infantilisms may be sequelae of the disease. 



TREATMENT. 



As for African Trypanosomiasis. 



Also treat for hyperthryoid^e and symptomatically. 



PROPHYLAXIS. 



Aim at the prevention of the bites of Lamus magistus. 



NOTES OX PATHOLOGICAL MAMMALIAN 

 TRYPANOSOMIASIS. 



TRYPANOSOME EYANSI. 



It causes surra in horses, mules, camels and cattle. 



It occurs in India, Burmah, Indo-China, Java, Philippines, 

 Mauritius and North Africa. 



The symptoms are : fever, emaciation, oedema of the extremities 

 and of the ventral surface, eye lesions, great muscular weakness, 

 paralysis and death. 



The treatment is by arsenic in big doses. 



It is transmitted by the bites of flies and fleas. Some suggest by 

 the ingestion of infected meat also. 



TRYPANOSOME BRUCEI. 



It causes nagana (weakness). 



It occurs in Zuzuland, North Transvaal, Pretoria to Nyasaland, 



