436 



SPECIFIC MICRO-ORGANISMS 



Bal. coli is sometimes found in man in cases of intestinal dis- 

 order with diarrhea. Its possible causal relation to the patho- 

 A B c D 



FIG. 211. Balantidium coli. A. Fully developed individual, showing the 

 nucleus above at the right and a food particle below. B and C, Division stages. D, 

 Conjugation. (From Doflein after Leuckart.} 



logical condition is not conclusively ascertained. In some in- 

 stances the cells of Balantidium have been found deeply situ- 

 ated in inflamed intestinal wall. Brooks 1 observed Bal. coli in 



FIG. 212. Section through the intestinal wall in a case of enteritis due to 

 Balantidium. S, Serosa; M, Muscularis; B, Balantidia. (From Doflein after Solow- 



several cases of dys'entery in Orangoutangs in the New York 

 Zoological Park and Brumpt 2 has been able to transfer balan- 



^roc. N. Y. Path. Soc., 1903, Vol. Ill, pp. 28-39. 



2 Compt. Rend. Soc. Biol., 1909, Vol. LXVII, pp_. 103-105. 



