1. Effect of trypsin and 2-mercaptoethanol on the exposure of sugar residues on the surface ofLeishmania donovani chagasi

   • Marial Auxiliadora M. Santos
   • Paulo Paes de Andrade
   • Wanderley de Souza

   Original Investigations Pages: 553 - 557

2. Transferrin is a growth factor for the bloodstream form ofTrypanosoma brucei

   • Dietmar Schell
   • Norbert K. Borowy
   • Peter Overath

   Original Investigations Pages: 558 - 560

3. Cytochemical localization of enzyme markers inTritrichomonas foetus

   • R.C.B. Queiroz
   • L.M. Silva Santos
   • W. de Souza

   Original Investigations Pages: 561 - 566

4. Further characterization ofTrypanosoma cruzi GP57/51 as the major antigen expressed by differentiating epimastigotes

   • Myrna C. Bonaldo
   • Julio Scharfstein
   • Samuel Goldenberg

   Original Investigations Pages: 567 - 571

5. Down-regulation of murine lymphocyte responsiveness to mitogens after treatment with antigens ofEntamoeba histolytica

   • K. Chadee
   • M. Denis
   • K. Keller

   Original Investigations Pages: 572 - 576

6. Activation of human CD4⁺ and CD8⁺ cells bySarcocystis gigantea lectin

   • H. J. Tietz
   • T. Montag
   • T. Hiepe

   Original Investigations Pages: 577 - 580

7. Novel ribonucleic acid species inEimeria nieschulzi are associated with RNA-dependent RNA polymerase activity

   • T. Sepp
   • R. Entzeroth
   • R. Kandolf

   Original Investigations Pages: 581 - 584

8. Ultrastructural changes following treatment with a microwave pulse in the oocyst ofEimeria magna Perard, 1925

   • F. Bouchet
   • Y. Boulard

   Original Investigations Pages: 585 - 589

9. DNA probes detectTheileria parva in the salivary glands ofRhipicephalus appendiculatus ticks

   • Philip P. Chen
   • Patricia A. Conrad
   • Thomas T. Dolan

   Original Investigations Pages: 590 - 594

10. Evaluation of anticoccidial drugs in chicken embryos

    • M. Q. Xie
    • T. Fukata
    • L. R. McDougald

    Original Investigations Pages: 595 - 599

11. Possible formation of calcareous corpuscles by the brood capsule in secondary hepatic metacestodes ofEchinococcus multilocularis

    • Kenji Ohnishi
    • Haruhiko Kutsumi

    Original Investigations Pages: 600 - 601

12. DNA polymorphisms within SpanishTrichinella isolates

    • T. Garate
    • E. Albarran
    • R. M. E. Parkhouse

    Original Investigations Pages: 602 - 605

13. Histopathological criteria for the diagnosis of abdominal angiostrongyliasis

    • C. Graeff-Teixeira
    • L. Camillo-Coura
    • H. L. Lenzi

    Original Investigations Pages: 606 - 611

14. Effect of bis(benzyl)polyamine derivatives on polyamine transport and survival ofBrugia pahangi

    • S. Müller
    • A. Lüchow
    • R. D. Walter

    Original Investigations Pages: 612 - 615

15. Localization of phenoloxidase in the midgut ofPeriplaneta americana parasitized by larvae ofMoniliformis moniliformis (Acanthocephala)

    • Armin Volkmann

    Original Investigations Pages: 616 - 621

16. Investigations on the host seeking and finding ofArgas (Persicargas) walkerae (Ixodoidea: Argasidae)

    • P. Beelitz
    • R. Gothe

    Original Investigations Pages: 622 - 628

17. Histochemical localisation of acid phosphatase and non-specific esterase in the midguts of two species of tick,Boophilus microplus andRhipicephalus appendiculatus, as determined by light microscopy

    • A. D. Agyei
    • I. V. Herbert
    • N. W. Runham

    Original Investigations Pages: 629 - 634

18. The peritrophic membrane ofIxodes ricinus

    • Z. Zhu
    • L. Gern
    • A. Aeschlimann

    Original Investigations Pages: 635 - 641

19. Migration ofTrichobilharzia ocellata schistosomula in the duck and in the abnormal murine host

    • W. Haas
    • U. Pietsch

    Short Communication Pages: 642 - 644