ecp. en p. 



nu. 



B J'lac. 



Fig. 55. Entamoeba, x about 2000. After Dobell and O'Connor. A, E. histo- 

 lytica. B, E. colt. b.c. ingested red blood corpuscles; ecp. ectoplasm; enp. 

 endoplasm; f.vac. food vacuole; kar. karyosome, eccentric in E. coli; nu, 

 nucleus; ps. pseudopodium. 



V CD 



Fig. 56. 

 Fig. 56. A diagram of the life cycle of Entamoeba coli. a-f, Encystment and 

 formation of amoebulae. x-z. Binary fission (in gut of host). 

 Fig. 57. Pelomyxa palustris. Partly after Doflein. f.p. undigested particles 

 swallowed with food; ^Zy. glycogen granules; nu. nuclei (stained). 



1 



