230 HANDBOOK OF PROTOZOOLOGY 



a characteristic appearance. The pseudopodia are variously 

 branched. Free-living or coprozoic. 



Chlamydophrys stercorid Cienkowski (Fig. 91, d). Coprozoic 

 and in soil. Test 18 to 20 microns long by 12 to 15 microns 

 broad. Mature aysts yellowish fcrown and measure 12 to 15 

 microns in diameter. The organism multiplies by budding from 

 the aperture end. 



Genus Cochliopodium Hertwig and Lesser. Minute test 

 thin flexible, chitinous, capable of expansion and contraction, 

 with or without extremely fine hair-like processes. Pseudopodia 

 blunt or pointed, but not acicular. Several species. 



Cochliopodium bilimbosmn (Auerbach) (Fig. 91, e). Test 

 hemispherical. Pseudopodia conical with pointed ends. Dimen- 

 sions 24 to 56 microns. Among algae and in the ooze in ponds, 

 springs, ditches and other freshwater bodies. 



Genus Amphizonella Greeflf. Test membranous with a 

 double marginal contour. The inner membrane smooth and 

 well-defined; the outer serrulate. Aperture inverted. A single 

 nucleus. Pseudopodia blunt, digitate, and divergent. 



Amphizonella violacea Greeff (Fig. 91,/). Test patelliform, 

 violet-tinted; endoplasm with chlorophyllous corpuscles and 

 grains. Movement sluggish. Average diameter 150 microns. 



Genus Zonomyxa Niisslin. Test rounded pyriform, flexible, 

 chitinous, violet-colored. Endoplasm vacuolated, with chloro- 

 phyllous particles. Several nuclei. Pseudopodia simple, not 

 digitate. 



Zonomyxa violacea Niisslin (Fig. 92, a). A single lobular 

 pseudopodium with an accuminate end. Four nuclei. Diameter 

 140 to 160 microns. Actively motile forms 250 microns or more 

 long. Among Sphagnum. 



Genus Microcorycid. Cockerell. Test discoidal or hemispher- 

 ical, flexible, with a diaphanous continuation or fringe around 

 the periphery, being folded together or completely closed; 

 crown of test with circular and radial ridges. The body proto- 

 plasm does not fill the test; one or two nuclei; pseudopodia 

 lobular or digitate. A few species. 



Microcorycia flava '(Greeff) (Fig. 92; h). Test yellowish 

 brown. Crown with few small foreign bodies. Endoplasm with 



