688 



ORDER: DIPLOMOXADIDA 



Supposed Hexamita of Man. 



Chalmers and Pekkola (1916) have recorded as Octomifus hominis a 

 flagellate found by them in the human intestine in the Sudan (Fig. 289, 6.) 



Fig. 289. — ■Trichomonas with Four and Five Flagella from a Film supposed 

 TO SHOW Hexamita hominis (x 3,600). (1-5, Original; 6, after Chalmers 

 AND Pekkola, 1916.) 



1-5. Trichomoiuis with long drawii-ont axostyle. 

 6. Chalmers and Pekkola's drawing of Hexamita hominis. 



As this form possesses a single nucleus, and does not have the structure of 

 Octomitus {Hexamita), doubts as to its validity were raised by Kofoid and 



