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HANDBOOK OF PROTOZOOLOGY 



actively moving individuals shows very prominent striations. 

 Parasitic in invertebrates. 



Endamoeha hlattae (Biitschli) (Fig. 83). Cosmopolitan 

 and often observed in the colon of several species of the cock- 

 roach. Its size varies from 10 to 150 microns in diameter. 

 Rounded amoebae which form broad lobopodia, show a dis- 



Fig. 83 Endamoeba blattae, as seen in life. X400 (After Kudo), a, b, active 

 trophozoites; c, d, precystic forms; e, a stage in binary fission; f, the 

 same amoeba twenty minutes later. 



tinct differentiation of the cytoplasm. Elongated forms with a 

 few pseudopodia, show the ectoplasm only at the ends of the 

 pseudopodia. The endoplasm of actively motile individuals 

 shows a marked striation, a condition not seen in other amoebae. 

 No contractile vacuoles are noted, although fluid-filled vacuoles 

 are seen in large numbers The food consists of mainly starch 

 |tains, yeast cells, bacteria, and Protozoa, all of which coexist 



