1. Preface

   EditorialNotes Pages: V - VII

2. Participants of the Fourth International Rotifer Symposium

   Legacy Pages: XIII - XV

3. Bruno Bērziņš in memoriam, 1909–1985

   Legacy Pages: 1 - 2

4. Keratella cochlearis (Gosse) in Africa

   • J. Green

   Part One: Taxonomy and Biogeography Pages: 3 - 8

5. Distribution of rotifers in African fresh and inland saline waters

   • M. De Ridder

   Part One: Taxonomy and Biogeography Pages: 9 - 14

6. On species of genus Lepadella (Eurotatoria:Monogononta:Colurellidae) from North-Eastern India, with remarks on Indian taxa

   • B. K. Sharma
   • Sumita Sharma

   Part One: Taxonomy and Biogeography Pages: 15 - 22

7. The Rotifera of impoundments in Southeastern Australia

   • R. J. Shiel
   • C. J. Merric
   • G. G. Ganf

   Part One: Taxonomy and Biogeography Pages: 23 - 29

8. Tasmanian rotifera: Affinities with the Australian fauna

   • Walter Koste
   • Russell J. Shiel

   Part One: Taxonomy and Biogeography Pages: 31 - 43

9. Intraspecific variability of Brachionus plicatilis

   • Minoru Sudzuki

   Part One: Taxonomy and Biogeography Pages: 45 - 47

10. Rotifera from Northwestern Canada

    • R. Chengalath
    • W. Koste

    Part One: Taxonomy and Biogeography Pages: 49 - 56

11. Coexistence of rotifer (Brachionus plicatilis) clones in Soda Lake, Nevada

    • Charles E. King
    • Yugi Zhao

    Part One: Taxonomy and Biogeography Pages: 57 - 64

12. Rotifers from Turkey

    • Henri J. Dumont
    • M. De Ridder

    Part One: Taxonomy and Biogeography Pages: 65 - 73

13. Distribution of Brachionus species in Spanish mediterranean wetlands

    • Maria R. Miracle
    • Manuel Serra
    • Carmen Blanco

    Part One: Taxonomy and Biogeography Pages: 75 - 81

14. Biometric variation in three strains of Brachionus plicatilis as a direct response to abiotic variables

    • Manual Serra
    • Maria R. Miracle

    Part One: Taxonomy and Biogeography Pages: 83 - 89

15. Taxonomic and ecological notes on Hexarthra bulgarica from high mountain lakes and ponds in the Sierra Nevada (Spain)

    • L. Cruz-Pizarro
    • R. Morales

    Part One: Taxonomy and biogeography Pages: 91 - 95

16. Rotifer fauna of lakes and ponds over 2500 m above sea level in the Sierra Nevada, Spain, with description of a new subspecies

    • R. Morales-Baquero

    Part One: Taxonomy and biogeography Pages: 97 - 101

17. Rotifer fauna in the periphyton of Karst rivers in Croatia, Yugoslavia

    • Radovan Erben

    Part One: Taxonomy and Biogeography Pages: 103 - 105

18. Rotifer occurrence in relation to pH

    • Bruno Bērziņš
    • Birger Pejler

    Part One: Taxonomy and Biogeography Pages: 107 - 116

19. Ecology of bdelloids: how to be successful

    • Claudia N. Ricci

    Part Two: Bdelloids Pages: 117 - 127

20. A bdelloid rotifer living as an inquiline in leaves of the pitcher plant, Sarracenia purpurea

    • Lois E. Bateman

    Part Two: Bdelloids Pages: 129 - 133

21. Specificity of the α-tocopherol (Vitamin E) effect on lifespan and fecundity of bdelloid rotifers

    • James R. Litton Jr

    Part Two: Bdelloids Pages: 135 - 139

22. Coloniality in the phylum Rotifera

    • Robert Lee Wallace

    Part Three: Colonial Rotifers Pages: 141 - 155

23. Conochilus in Lake Washington

    • W. T. Edmondson
    • Arni H. Litt

    Part Three: Colonial Rotifers Pages: 157 - 162

24. The analysis of planktonic rotifer populations: A plea for long-term investigations

    • Alois Herzig

    Part Four: Population Dynamics and Spatial Distribution Pages: 163 - 180

25. The influence of sampling strategy on the apparent population dynamics of planktonic rotifers

    • Heidi Berner-Fankhauser

    Part Four: Population Dynamics and Spatial Distribution Pages: 181 - 188

26. Abundance and distribution of pelagic rotifers in a cold, deep oligotrophic alpine lake (Königssee)

    • Ruth Laxhuber

    Part Four: Population Dynamics and Spatial Distribution Pages: 189 - 196

27. Population dynamics of hypolimnetic rotifers in the Pluss-see (North Germany)

    • Wolfgang Hofmann

    Part Four: Population Dynamics and Spatial Distribution Pages: 197 - 201

28. Environmental factors influencing the vertical migration of planktonic rotifers in a hypereutrophic tarn

    • L. J. Stewart
    • D. G. George

    Part Four: Population Dynamics and Spatial Distribution Pages: 203 - 208

29. Comparative population dynamics of the rotifers Brachionus angularis and Keratella cochlearis

    • Norbert Walz

    Part Four: Population Dynamics and Spatial Distribution Pages: 209 - 213

30. Changes in the population dynamics of Keratella cochlearis (Gosse), Kellicottia longispina (Gosse) and Polyarthra vulgaris Carlin in a fertilized enclosure

    • Reidar Grundström

    Part Four: Population Dynamics and Spatial Distribution Pages: 215 - 219

31. The population dynamics of Keratella cochlearis in a hypereutrophic tarn and the possible impact of predation by young roach

    • D. P. Hewitt
    • D. G. George

    Part Four: Population Dynamics and Spatial Distribution Pages: 221 - 227

32. Post-encounter vulnerability of some rotifer prey types to predation by the copepod Acanthocyclops robustus

    • Kennedy F. Roche

    Part Four: Population Dynamics and Spatial Distribution Pages: 229 - 233

33. The Polyarthra escape from response: Defense against interference from Daphnia

    • John J. Gilbert

    Part Four: Population Dynamics and Spatial Distribution Pages: 235 - 238

34. Rotifers, cladocerans and planktivorous fish: What are the major interactions?

    • Stephen T. Threlkeld
    • Elizabeth M. Choinski

    Part Four: Population Dynamics and Spatial Distribution Pages: 239 - 243

35. Raising rotifers for use in aquaculture

    • E. Lubzens

    Part Five: Aquaculture, feeding and nutrition Pages: 245 - 255

36. Production and nutritional quality of the rotifer Brachionus plicatilis fed marine Chlorella sp. at different cell densities

    • T. A. Rezeq
    • C. M. James

    Part Five: Aquaculture, feeding and nutrition Pages: 257 - 261

37. The use of marine yeast (Candida sp.) and bakers' yeast (Saccharomyces cerevisiae) in combination with Chlorella sp. for mass culture of the rotifer Brachionus plicatilis

    • Charles M. James
    • P. Dias
    • Assad E. Salman

    Part Five: Aquaculture, feeding and nutrition Pages: 263 - 268

38. A consideration of why mass culture of the rotifer Brachionus plicatilis with baker's yeast is unstable

    • K. Hirayama

    Part Five: Aquaculture, feeding and nutrition Pages: 269 - 270

39. The components of feeding behavior in rotifers

    • George W. Salt

    Part Five: Aquaculture, feeding and nutrition Pages: 271 - 281

40. Effect of feeding on the respiration rate of the rotifer Brachionus plicatilis

    • H. Hirata
    • S Yamasaki

    Part Five: Aquaculture, feeding and nutrition Pages: 283 - 288

41. A laboratory study of feeding and assimilation in Euchlanis dilatata lucksiana

    • R. D. Gulati
    • J. Rooth
    • J. Ejsmont-Karabin

    Part Five: Aquaculture, feeding and nutrition Pages: 289 - 296

42. The potential for population growth of Ascomorpha ecaudis

    • Richard S. Stemberger

    Part Five: Aquaculture, feeding and nutrition Pages: 297 - 301

43. Further nutritional studies on the marine rotifer Encentrum linnhei

    • J. M. Scott

    Part Five: Aquaculture, feeding and nutrition Pages: 303 - 306

44. Planktonic rotifers and temperature

    • G. A. Galkovskaja

    Part Six: Reproduction Pages: 307 - 317

45. Effect of algal diet and temperature on the embryonic development time of the rotifer Brachionus plicatilis in culture

    • M. Yúfera

    Part Six: Reproduction Pages: 319 - 322

46. Factors influencing the occurrence of males in natural populations of Synchaeta spp.

    • Sif Johansson

    Part Six: Reproduction Pages: 323 - 327

47. Fertilization and male fertility in the rotifer Brachionus plicatilis

    • Terry W. Snell
    • Frank H. Hoff

    Part Six: Reproduction Pages: 329 - 334

48. Effect of incubation temperature on the hatching of rotifer resting eggs collected from sediments

    • Linda May

    Part Six: Reproduction Pages: 335 - 338

49. Movements in rotifers: correlations of ultrastructure and behavior

    • Pierre Clement

    Part Seven: Ultrastructure, Biochemistry and General Methodology Pages: 339 - 359

50. Ultrastructure and histochemistry, of the stomach of Asplanchna sieboldi

    • Elizabeth S. Wurdak

    Part Seven: Ultrastructure, Biochemistry and General Methodology Pages: 361 - 371