102 



ZOOLOGY 



SECT. 



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

 vacuoles (c. vac.}. 



Some genera are naked (7) : others form a stalked shell or 

 lorica (2&) like that met with in many of theJMastigophora. 



l.Podobnrya 



m 



n ' ^^ 



4.Dendrocomeres 

 3.Rh/nchefo 



\ WT'TV 



6. S bhaer ol>hrya 

 5. Ephelofo 



""->]{ Tfi 



/? i/tti; 



^| ; * ;!v:?w 



,W; 



. 



FIG. 77.^Various forma of Tentaculifera. la and b, two species of Podophrya ; c, a 

 tentacle much enlarged ; 2a, Aclneta jolyi ; 2l>, A. tuberosa ; in G the animal has captured 

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

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

 food ; fi.f . brood-cavity ; bd. bud ; c. vac. contractile vacuole ; 1. lorica ; mg. nu. rnega- 

 uucleus ; mi. nu. micronucleus ; t. tentacle. (After Biitschli and Saville Kent.) 



