Ciliophora 341 



of the cytostome in a non-ciliated anterior furrow which extends ahnost 

 to the tip of the body. Near the posterior end of the body there is also 

 a short ciliated groove of uncertain significance. 



Family 3. Amphileptidae. In this pleurostomatous group the body is 



Fig. 7. 3. A. Bundleia postciliata (Bundle) da Cunha and Muniz, x464 

 (afler Hsiung). B. Polymorpha ampulla Dogiel, x958 (after Hsiung). C. Atn- 

 pullacula ampulla (Fiorentini) Hsiung, x363 (after H.). D. Didesmis ovalis 

 Fiorentini, x484 (after Hsiung). E. Blepharoprosthium pireum Bundle, x484 

 (after Hsiung). F. Paraisotrichopsis composita Gassovsky, x484 (from Hsiung, 

 after G.). G. Blepharoconus cervicalis Hsiung, x383 (after H.). H. Biitschlia 

 nana Dogiel, x725 (after D.). I-L. Concretion-vacuoles of Biitschliidae, sche- 

 matic (after Dogiel): I. Didesmis quadrata; J. Biitschlia sp., cross-section 

 througli the vacuole; K. Polymorpha ampulla; L. Paraisotricha colpoidea, an- 

 terior end of body. M. Prorodonopsis coli Gassovsky, x443 (after Hsiung). N. 

 Sulcoarcus pellucidulus Hsiung, x533 (after H.). O. Blepharosphaera intesti- 

 nalis Bundle, x443 (after Hsiung). P. Alloiozona trizona Hsiung, x363 (after H.). 



