SPIROTRICHA, HETEROTRICHA 



585 



Fig. 265. a, b, Fabrea salina (a, Xl70; b, X330) (Kirby); c, Clima- 

 costomum virens, XlOO (Stein); d, Folliculina moebiusi, Xl70 (Stein); 

 e, F. -produda, XllO (Wright); f, Pseudofolliculina arclica, X50 

 (Dons); g, Parafolliculina violacea, XlOO (Dons); h, Peritromus cali- 

 fornicus, X360 (Kirby); i, Lichnophora macfarlandi, X420 (Stevens); 

 j, L. conklini, X340 (Stevens). 



