OF THE ALIAIENTARY TRACT 165 



axostyle, cytostome, nucleus, food bodies, etc., quite 

 similar to Trichomonas hominis and Trichomonas 

 elongata (buccalis), for the details of which the 

 reader is referred to Lynch (1922), Hegner (1925) or 

 Wenyon (1926). 



Wenyon (1926) finds the parasite very common in 



Fig. 25. — Trichomonas vaginalis. 

 Drawings of specimens stained by iron-haematoxylon. x 2000. 



England and quotes Brumpt (1913) as obtaining 

 10% positive examinations in Paris. The writer has 

 found it very common in women with leucorrhoea and 

 in urine from such cases, the urine showing the or- 

 ganisms in centrifugalized sediment along with va- 

 ginal debris. It has not been seen in catheterized 

 urine of women. Hogue (1927) found it only once 

 in urine from 300 men and 333 women and then from 



