CILIOPHORA, PROTOCILIATA 



485 



Genus Cepedea Metcalf. Cylindrical or pyriform; circular in 

 cross-section; multinucleate; all in Amphibia. Numerous species. 



C. cantahrigensis M. (Fig. 224, g). About 350m by 84/i; in Rana 

 cantabrigensis. 



C. hawaiensis M. 170-200jli by 43-60/z; in Rana catesbeiana; 

 Hawaii. 



C. ohovoidea M. About 315At by 98/i; in Bufo lentiginosus. 



C. floridensis M. About 230^ by 89/z; in Scaphiopus alhus. 



w^m 



Wil 



Fig. 225. a-d, stages in sexual reproduction in Protoopalina intes- 

 tinalis (Metcalf); e, f, P. saturnalis, X500 (L^ger and Duboscq); 

 g, P. mitotica, X380 (Metcalf). 



