1909.] 



Amakehe : A Disease of Calves in Uganda. 



259 



posterior lobe is pale in colour, and on section ai)pears fairly normal. Weighs 345 grammes 

 (12^ ounces). 



Alimentarij S>/»tem. — Spleen is enlarged. 29 cm. in length, 9 cm. broad, and 2-5 cm. in 

 thickness (11" X 3|" X 1"). Capsule is purplish iu colour. On section the tissue is dark 

 purple in colour and friable. Weighs 245 grammes (8| ounces). Liver is bright yellow 

 in colour, tinged with red, like bronze. Capsule is smooth. On section the substance is 

 pale, witli congested areas. Gall-bladder is distended with thick, greenish-yellow bile. 

 Weighs 890 grammes (31^ ounces). 



Fourth Stomach. — Is pale in colour. No ulceration. Intestines not examined. 



Urinary System.— Left kidney. — Capsule strips readily. On section the cortical part is 

 seen to be pale, with dilated vessels. Weighs 102 gi-ammes (3| ounces). Riyht kidney, in 

 a similar condition to the left. Weighs 95 grammes (3| ounces). 



Experiment 1634. — To study Amakebe in the Calf. 



Sept. 4, 1909. — This calf was brought to Mpumu from Kome, one of the Sesse Islands, 

 and was therefore susceptible to Amakebe. 



„ 14. — Sent into Kampala, in order to become infected. 



„ 24. — Returned from Kampala. 

 Oct. 4. — Lymphatic glands much enlarged. Oct. 18. — Died. 



The following chart represents the course of the disease : — 



Chart 2.— Experiment 1634. Temperature Curve in a severe and fatal Case of Amakebe. 



Oct. 18, 1909. — Post-mortem immediately after death. 



External Appearances. — Animal about one year old. Preauricular, prescapular, and 

 precrural glands are much enlarged. Tile prescapular glands measure 3 inches in length 

 and 1^ inches in breadth. On section the glandular tissue is cedematous and, in some 

 places, hsemorrhagic. 



Internal Appearances.— On opening into the peritoneal cavity about a gallon of clear, 

 amber-coloured fluid is found. There is a large quantity of yellow, gelatinous infiltration 

 into the omentum. The serous membrane of the omentum is markedly hsemorrhagic, 

 being covered with small petechias. The small intestine is dark crimson in colour and 

 intensely congested. The whole of the peritoneal aspect of the diaphragm is covered with 

 small haemorrhages. On removing the sternum a quantity of yellow, gelatinous material 

 is found in the mediastinum. About 2 ounces of the same clear, amber-coloured fluid are 

 seen in the pleural cavity. Tiie pericardium contains a small quantity of clear, straw- 

 coloured serum. 



