102 



ZOOLOGY 



SECT. 



and.it probably occurs in all. There are one or more contractile 

 Vacuoies (c. vac.). 



Some genera are naked (1) : others form a stalked shell or 

 lorica (2a) like that met with in many of the Mastigophora. 



7.0j>hryodendron 



S.Epheloi-a 



9. Dendrosoma 



FiQ. 77. Various forms of Tentaculifera. la and 6, two species of Podophrya ; c, a 

 tentacle much enlarged ; 2a, Acinetajolyi ; 2b, A. tuberosa ; in G the animal has captured 

 several small Ciliata ; 8a, a specimen multiplying by budding ; 56, a free ciliated bud ; 9a, 

 the entire colony ; 9b, a portion of the stem ; 9c, a liberated bud ; a, organism captured as 

 food ; b.c. brood-cavity ; bd. bud ; c. vac. contractile vacuole ; 1. lorica ; mg. nu. mega- 

 nucleus ; mi. nu. micronucleus ; t. tentacle. (After Butschli and Saville Kent.) 



