ClipArt ETC
"Paramecium in optical section. A, anterior end; c, tilia; e.d., ectosarc; e.n., endosarc; f.v., food "vacuole"; g, gullet; N, meganucleus; n, micronucleus; o, oral groove, leading to the mouth; p.v., pulsating vacuoles in different stages of contraction; tr., trichocysts; v, food vacuole in process of formation." — Galloway

Paramecium

"Paramecium in optical section. A, anterior end; c, tilia; e.d., ectosarc; e.n., endosarc; f.v., food…

"Vorticella. 1. Structure. N., Macronucleus; n., micronucleus; c.v., contractile vacuole; m., mouth; f.v., food vacuole; v., vestibule. 2. Encysted individual. 3. Division. 4. Separation of a free-swimming unit--the result of a division. 5. Formation of eight minute units (mg.). 6. Conjugation of microzooid (mg.) with one normal size." -Thomson, 1916

Vorticella

"Vorticella. 1. Structure. N., Macronucleus; n., micronucleus; c.v., contractile vacuole; m., mouth;…