POLYMASTIGINA 



305 



Fig. 142. a, Devescovina lemniscata, X1600; b, Parajoenia grassii, with 

 attached spirochaetes, X1150; c, Foaina nana, X1150; d, Macrotricho- 

 tiwnas pulchra, X1600 (all after Kirby); e, Metadevescovina debilis, X1130 

 (Light, modified). 



