DENDROCOMKTKS PARADOXUS. 



333 



fuse together to form the single meganucleus of the new 

 individual. 



The phenomenon of conjugation in the Acinetaria has been 



known for a great many years. It has been observed in 

 several species of Acineta by Claparede and Lachmaun (4), 

 Fraipont, D'Udekem, Keppen (15), and others; in 



Dtacjram. C, 



L 



Metacineta (Claparede and Lachmann and Lieberkiihn), in 

 Podophrya, Tokophrya, Stylocometes, and in Deudrocometes. 

 In Deudrocometes it was observed by Wrzesniowski (27), but 

 more fully described by Plate (21). 



