HYPERMASTIGIDA 



169 



by the axial filaments. No cytostome. Parabasal body. Nutri- 

 tion holozoic or parasitic. Asexual reproduction by binary or 

 multiple fission. Encystment common. Sexual reproduction un- 

 known. Parasites of cockroaches and termites. 



Genus Lophomonas Stein. Body rounded or elongated. 



Fig. 64 a. Holomastigotes elongatum. X700 (After Koidzumi). 



b. Holomastigotoides hartmanni. X250 (After Koidzumi). 



c. Spirotrichonympha leidyi. X400 (After Koidzumi). 



d. Microspirotrichonympha porteri. X250 (After Koidzumi). 



e-i. Lophomonas blattarum. (After Kudo), e, f, living trophozoites 

 (X320); g, a stained specimen (X1150); h, highly spread individ- 

 ual containing the dividing nucleus (X1150); i, cyst (X1150). 



j-1. L. striata. (After Kudo), j, a living trophozoite (X320); k a 

 dividing form; 1, a cyst (X1150). 



