PROGRESS IN PROTOZOOLOGY

LIST OF SCIENTIFIC REPORTS 289
R. A. Joshua, W. J. Herbert, R. G. White (GB), Observations
on the virulence of clone derived variable antigen types of Trypanosoma
brucei ssp. in laboratory mice abstr. 162
R. K. G. As sok u (Ghana), Studies in African trypanosomiasis: the
identification and nature of the B-cell mitogen of Trypanosoma
congolense abstr. 15
T. H. Dzbeński, E. Bitkowska, M. Szadziewska, Z. Wegner
(Poland), Suppression of cellular defence reaction in the Bug,
Triatoma injestans, during infection with a protozoan, Trypanosoma
cruzi abstr. 86
S. Stępkowski, S. Klimo nt (Poland), Certain antigenic properties
of Histomonas meleagridis abstr. 349
I. Kazakova, E. Röigas, J. Teras, H. Sardis (USSR), On the
specific antibodies in blood sera of patients with trichomonads in
respiratory /tract abstr. 179
L. K e s a, J. T e r a s (USSR), On the pathogenicity and antigenic properties
of Tetrahymena pyriformis induced with picornaviruses
abstr. 181
E. Kochanowska, P. Myjak (Poland), Antigenicity of Entamoeba
histolytica cell lysate abstr. 190
R. B. M c G h e e (USA), Antigenic changes related to avirulence and
immunogenicity of Plasmodium gallinaceum adapted to existence
in chicken embryos abstr. 242
R. J. M. W i 1 s o n (GB), Serotyping Plasmodium falciparum abstr. 393
Posters
A. M. Johnson, P. J. McDonald, S. H. Neoh (Australia), Analysis
of the major polypeptides of Toxoplasma gondii abstr. 160
J. Chalupsky (Czechoslovakia), The India ink immunoreaction for
the diagnosis of toxoplasmosis abstr. 51
J. W i e s n e r (GDR), The role of biliary IgA in immunity to coccidia
in the chicken abstr. 391
Contributed Paper Session, Section IV: Action of External Agents
and Drugs
»Chairman: Lucilla Arcay, Universidad Central de Venezuela, Caracas, Venezuela
Co-Chairman: Pilar Alonso, Instituto de Immunologia y Biologia, Microbiana,
Madrid, Spain
Convener: Andrzej Grqbçcki, Nencki Institute of Experimental Biology, Warsaw,
Poland
8
http://rcin.org.pl