TRYPANOSOMIASIS EXPEDITION TO SENEGAMBIA 21 
He said he had never had any illness and that he was quite well and strong". 
He complained only of a small chronic ulcer on the left foot. He stated that for the 
last nine months he had occasionally had a slight nose bleeding, which sometimes 
lasted subcontinuously for two days. 
Clinical Examination. — The patient was a well-developed lad. Muscles were 
good. Nothing abnormal was detected, with the exception of a slight enlargement of 
the spleen, which extended 1*5 cm. below the costal margin. All the glands were 
palpable, but none were markedly enlarged. There was a slight injection of the 
nasal mucous membrane, and the tonsils were slightly enlarged. 
Urine, slightly acid, 1,007 5 colour, normal ; no haemoglobin. Albumin and 
a small amount of pus were present. 
April 10. Temperature, ioo'i° F. - Pulse, 84 - Respiration, 20. 
„ 15. ,, 99'4 F. - „ 104 - Respiration, 22. 
Blood. — Examined on two occasions. 
April 10. Two trypanosomes to cover were seen. 
,, 15. In three coverslip preparations, one trypanosome and two 
specimens of F. perstans were seen. 
Red cells - 3,950,000 
White cells - - 8,000 
Haemoglobin - 68 per cent. 
Differential Count of Leucocytes 
Neutrophils - 40*6 per cent. 
Eosinophils - - 13*5 per cent. 
Mast cells - 0*3 per cent. 
Mononuclear, small cells, 32*8 per cent 
Mononuclear, large cells, I2'8 per cent.- 
100*0 
-Lymphocytes 3 2 - 6 per cent. 
,, with irregular 
nuclei, 0*2 per cent. 
Large lymphocytes, 1 1*2 per cent. 
Large mononuclears, r - i percent. 
Transitionals - 0*5 per cent. 
Two thousand five hundred cells from six slides were counted. Both 
Ehrlich's tri-acid and Romanowsky's stains were used. 
Discussion of Native Cases 
Taken as a whole a consideration of the native cases reveals no marked 
constant characteristic. 
