1. Tetrahymena pyriformis (Furgason)
2. Tetrahymena pyriformis (Corliss).
3. Tetrahymena setosa (Holz & Corliss).
4. Tetrahymena rostrata (Corliss).
5. Tetrahymena vorax, macrostome [with Colpidium in food vacuoles](Kidder
et al.)
6. Tetrahymena vorax, microstome forms (Corliss).
7a,b. Tetrahymena paravorax, microstome and macrostome forms (Dragesco
& Njiné).
8. Tetrahymena patula, macrostome [with Colpidium in food vacuoles]
(Maupas)
9. Tetrahymena patula, macrostome form (Schewiakoff)
10. Tetrahymena patula, macrostome and microstome forms (Corliss).
11. Colpidium colpoda (Kahl)
12. Colpidium colpoda (Bary)
13. Colpidium colpoda (Corliss).
14. Colpidium striatum [syn. C. kleini] (Corliss).
15a,b. Colpidium campylum (von Gelei & Horväth).
16. Lambornella clarki (Corliss & Coats).
17. Lambornella stegomyiae (Corliss & Coats).
18. Lambornella clarki: a, cuticular "invasion" cyst on larval mosquito
cuticle; b, melanized ciliate under cuticle - example of an unsuccessful
invasion (reconstructed from photomicrographs in Corliss & Coats).
19. Monochilum (Schewiakoff).
20. Stegochilum (Jankowski).
21. Curimostoma (Kozloff)
22. Curimostoma (Corliss).
23. Deltopylum (Fauré-Fremiet & Mugard)
24. Deltopylum (Corliss).
25. Glaucoma scintillans (Kahl)
26. Glaucoma scintillans (Kahl)
27. Glaucoma scintillans (Dragesco)
28. Glaucoma scintillans (Kahl, Kahl, Dragesco, Corliss).
29. Glaucoma macrostoma (Corliss).
30. Generalized AZM bases, as seen through buccal overture (Corliss).
31. Glaucoma frontata (Calkins & Bowling)
32. Glaucoma frontata (Dragesco)
33. Glaucoma frontata (Corliss).
34. Glaucoma dragescui (Dragesco)
35. Glaucoma dragescui (Corliss).
36. Glaucomella (Grolière).
37. Epenardia, and its AZM bases (Kahl)
38. Epenardia, and its AZM bases (Corliss)
39. Epenardia, and its AZM bases (Corliss).
40. Espejoia, macrostome form (Wang & Nie)
41. Espejoia, microstome forms (Fauré-Fremiet & Mugard)
42. Espejoia, macrostome and microstome forms (Fryd-Versavel et al.).
43. Turaniella (Iftode & Versavel).
44. Ophryoglena (Mugard)
45. Ophryoglena (Kahl)
46. Ophryoglena (Canella & Rocchi-Canella)
47. Ophryoglena (Canella & Rocchi-Canella).
48. Ichthyophthirius, trophont (Bütschli)
49. Ichthyophthirius, reproductive cyst with emerging tomites (one
enlarged), (Fouquet)
50. Ichthyophthirius, theront (Canella & Rocchi-Canella).
51. Cryptocaryon (Sikama).
52. Paramecium caudatum (Kalmus-Wichterman)
53. Paramecium caudatum (Kükenthal-Matthes in Grell)
54. Paramecium caudatum (Vivier)
55. Paramecium caudatum (von Gelei).
56. Paramecium calkinsi (Vivier)
57. Paramecium calkinsi (Agamaliev).
58. Member of "aurelia" complex (Vivier).
59. Paramecium trichium (Vivier).
60. Paramecium multimicronuclearum (Vivier).
61. Paramecium bursaria (Vivier)
62. Paramecium bursaria (Klein).
63. Pre-20th-century portrayals of the celebrated "slipper animalcule," by:
a, Hill; b, O. F. Müller; c, Ehrenberg; d, Dujardin; e, Stokes.
64. Frontonia (Tönniges)
65. Frontonia (Agamaliev)
66. Frontonia (Dragesco)
67. Frontonia (Dragesco).
68. Disematostoma (von Gelei).
69. Disematostoma (Dragesco).
70. Wenrichia (von Gelei).
71. Clathrostoma (Fauré-Fremiet).
72a,b. Neobursaridium (Dragesco).
73. Lembadion (Dragesco).
74. Parastokesia (Fauré-Fremiet).
75. Marituja (Wilbert).
76. Urocentrum (Fauré-Fremiet)
77. Urocentrum (Klein).
78. Stokesia (Dragesco).