2i6 (217) 



217 (216) 



218 (219) 



219 (2] 



CILIATE PROTOZOA (INFUSORIA) 299 



Tentacle one, consisting of a single, movable anterior process. 

 Parasitic on Cyclops Rhyncheta Zenker. 



Tentacles numerous 218 



Body spherical, never fixed; knobbed tentacles arising from all 



sides Sphaerophrya Claparede and Lachmann. 



Representative species. . . . Sphaerophrya magna MdiUpdiS i?>'S>i. 



/:.*■ 



Tentacles not exceeding fifty in number: when fully extended, 

 equal in length to the diameter of the body. Reproduction has 

 been observed to take place by transverse division. Diameter 

 of body 40 ju. Freshwater. 



Fig. 556. Sphaerophrya magna. X 500. (After Conn.) 



Body irregular; knobbed tentacles arising from the lobes of the 



margin of the body. Attached by the broad, lower surface. 



Trichophrya Claparede and Lachmann. 



Representative species Trichophrya sinuosa Stokes 1886. 



Body flattened with lobed margins. Usually not more than five 

 \|/^6f clusters of tentacles. Nucleus branched. Contractile vacuoles 



.3m ^^ , numerous. Length 55 m- Attached to aquatic plants 



\^/\\\\v^ Fig. 557. Trichophrya sinuosa. X 125. (.\fter Stokes.) 



220(211) With a lorica 221 



221 (224) Lorica sessile ^^^ 



222 (223) Usually cup-shaped or subspherical ; tentacles suctorial, sometimes 



in groups Solenophrya Claparede and Lachmann. 



Representative species Solenophrya pera Stokes 1SS5. 



Lorica irregularly cubical or satchel-shaped, hyaline, widest at the base 

 of attachment, narrowing anteriorly, with the sides somewhat concave. 

 Zooid oval, not attached to bottom of lorica. Tentacles arising from the 

 entire frontal border. Two individuals often in the same lorica. Height 

 of lorica 40 m- Width and length nearly the same as height. Attached to 

 p.\ aquatic plants in standing water. 



Fig. 558. Solenophrya pera. X 225. (After Stokes.) 



223 (222) Posterior end of the body prolonged into a projection. Attached 



to Epistylis. Two to five long, simple tentacles. 



Urnula Claparede and Lachmann. 



