PHYLUM PROTOZOA 



2. A c i nefa 



, c. uoj:. 





y%*?~c. vac Yj&P'mi' 



4.Dendrocom.fas r r.ui^ 6. S jshcero^hrya 



Fig. 20. — Various forms of Tentaculifera. ia and b, two species of Podophrya ; 

 c, a tentacle much enlarged; 2a, Aczneta jolyi ; 2b, A. tuberosa; in 6 the ani- 

 mal has captured several small Ciliata; $a , a specimen multiplying by budding; 

 Sb, a free ciliated bud; Qa, the entire colony; gb, a portion of the stem; qc , a 

 liberated bud; a. organism captured as food; b. c, brood cavity: bd, bud; 

 c. vac, contractile vacuole; mg. nu, meganucleus; jiiz. nit, micronucleus; 

 t, tentacle. (After Butschli and Saville Rent.) 



