1. Referee acknowledgement

   Acknowledgments Pages: 2 - 2

2. Leishmania mexicana pifanoi: in vivo and in vitro interactions between amastigotes and macrophages

   • Alfred A. Pan
   • B. M. Honigberg

   Original Investigations Pages: 3 - 13

3. Isolation and purification of amastigotes ofTrypanosoma cruzi from cultured Vero cells

   • F. Gamarro
   • A. Osuna
   • L. M. Ruiz-Pérez

   Original Investigations Pages: 15 - 17

4. Trypanocidal drugs and the role of kidney forms ofTrypanosoma (Herpetosoma) musculi in immunity of mice against reinfection

   • Donald G. Dusanic

   Original Investigations Pages: 19 - 31

5. Light and electron microscope study ofSarcocystis sp. from the fallow deer (Cervus dama)

   • R. Entzeroth
   • B. Chobotar
   • L. Neméseri

   Original Investigations Pages: 33 - 39

6. The relationship to knobs of the 92,000 D protein specific for knobby strains ofPlasmodium falciparum

   • Jean-Paul Vernot-Hernandez
   • Hans-G. Heidrich

   Original Investigations Pages: 41 - 51

7. Die Arbeitsweise des Bauchsaugnapfes digenetischer Trematoden am Beispiel desDicrocoelium dendriticum

   • Walter Neuhaus

   Original Investigations Pages: 53 - 60

8. Bulinus tropicus from Central Kenya acting as a host forSchistosoma bovis

   • V. R. Southgate
   • D. S. Brown
   • R. J. Knowles

   Original Investigations Pages: 61 - 69

9. The effect ofHelisoma duryi on the cercarial production ofSchistosoma mansoni-infectedBiomphalaria alexandrina: evaluation of chemical interferences and direct competition

   • Henry Madsen

   Original Investigations Pages: 71 - 77

10. Scanning electron microscopy ofAncylostoma ceylanicum and its site of attachment to the small intestinal mucosa of the dog

    • S. M. Carroll
    • T. A. Robertson
    • D. I. Grove

    Original Investigations Pages: 79 - 85

11. The isolation and immunogenicity of the cuticle ofDipetalonema viteae (Filarioidea)

    • B. Betschart
    • W. Rudin
    • N. Weiss

    Original Investigations Pages: 87 - 95

12. Lesions in the liver and kidney ofDirofilaria immitis-infected dogs following treatment with ivermectin

    • C. F. Simpson
    • R. F. Jackson

    Original Investigations Pages: 97 - 105

13. Records ofIxodes vespertilionis, I. simplex andArgas vespertilionis (Ixodoidea: Ixodidae, Argasidae) from German bats (Chiroptera)

    • Gottfried Walter
    • Dieter Kock

    Original Investigations Pages: 107 - 111

14. Oogenesis in the pentastomidRaillietiella aegypti (Cephalobaenida)

    • Volker Walldorf
    • Rüdiger Riehl

    Original Investigations Pages: 113 - 124

15. Oogenesis in the pentastomidRaillietiella aegypti (Cephalobaenida)

    • Rüdiger Riehl
    • Volker Walldorf

    Original Investigations Pages: 125 - 133

16. Chromosomes ofOnchocerca volvulus andO. gutturosa

    • H. Hirai
    • Y. Sakaguchi
    • I. Tada

    Short Communication Pages: 135 - 139

17. The validity and morphology of lung mites of the genusPneumocoptes (Acari: Astigmata)

    Erratum Pages: 140 - 140