Elementary text-book of zoology . elementarytextbo0101clau Year: 1884 FIG. 146. — ParamtBcium Bursaria about one hour after conjugation (after Biitschli). », nucleolus ; N, nucleus; P V, contractile vacuole. Two of the nucleoli have become clear spheres. ~£aiantid;/im coKwith twopulsa- mouth tmg vacuoles (after nuc^us UUesr ^a Besides the Parasitic Opalinfe (Ojjalina! ranarum), with- starcT-V-anule tha^ out moutl1 or anus, the following families belong to this has been eaten, a group : — ball of excrement is Fam. Trachelidae. Body of changeable shape prolonged passing out of the jn
Elementary text-book of zoology . elementarytextbo0101clau Year: 1884 FIG. 146. — ParamtBcium Bursaria about one hour after conjugation (after Biitschli). », nucleolus ; N, nucleus; P V, contractile vacuole. Two of the nucleoli have become clear spheres. ~£aiantid;/im coKwith twopulsa- mouth tmg vacuoles (after nuc^us UUesr ^a Besides the Parasitic Opalinfe (Ojjalina! ranarum), with- starcT-V-anule tha^ out moutl1 or anus, the following families belong to this has been eaten, a group : — ball of excrement is Fam. Trachelidae. Body of changeable shape prolonged passing out of the jnto an anterior neck-like process. Mouth ventral, without longer cilia. TracJtclius orum Ehrbg., Ampliilcptus fasci- cola Ehrbg. Fam. Colpodidse. Form of body definite. Mouth ventral, in a depression,
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