Dr. Murai Éva szerk.: Parasitologia Hungarica 22. (Budapest, 1989)

SEY, O. (1980): Revision of the amphistomes of European ruminants. - Parasit, hung., 13

: 13-25. SEY, O. and KASSAI, T. (1984): Examination of some anthelmintics against intestinal paramphistomosis in sheep (in Hungarian). - Rep. Hung. Acad. Sei. and Minlstr. Food and AgricBudapest, 12

. TRIFONOV, T. (1983): Hexachloroparaxylene, a potentially valuable anthelmintic against sheep trematodes (in Bulgarian). - Veter. Sblrka, 81_: 39-40. TSVETAEVA, N.P. (1959): Histology of paramphistomiasis in calves (in Russian). - Helminthologia, 1-4

: 249-255. VARTIC, N., ZAGREANU, C., TRICA, Z. and SUTEU, E. (1982): Epizootiological, pathological, clinical and therapeutic studies of paramphistomiasis in cattle and sheep (in Romanian). - In Sem. amel. teknol. patol. rumeng. Cluj-Napoca, 7: 338-392-. VISNYAKOV, Y. and IVANOV, V. (1963): Paramphistomiasis of the rumen and the reticulum of cattle (in Bulgarian). - Bull. Centr. Helminth. Lab., 8: 147-156. VUJIC, B., PETROVIC, K., PALIC, D. and PERIC, Z. (1971): A case of acute paramphistomiasis in cattle (in Serbo-Croatian). - Veter. Glasnik, 4: 265-271. WIKERHAUSER, T., BRGLEZ, J. and KUTICIC, V. (1975): Terenol against paramphistomes in cattle (in Serbo-Croatian). - Acta Parasit. lug., 6: 25-29. ZHARIKOV, I.S., LTPNITSKII, S.S., ORLOVSKII, V.l., BASHIROV, R.G., PROSTAKOV, V.l. and BIRUK, M.P. (1985): Efficacy of the treatment of heifers with acute paramphistomid infections alone or associated with dictyocauliasis fin Russian). - Vet. Nauka Proizv., 23: 70-74. Received: 28 November, 1988. Dr. SEY O. Department of Zoology University of Agricultural Sciences Deák Ferenc u. 16. H-8361 Keszthely HUNGARY