Dr. Kassai Tibor - Dr. Murai Éva szerk.: Parasitologia Hungarica 7. (Budapest, 1974)

shore of Lake Balaton, Zala hills, Vasi hegyhát, Mts. Sopron, and Comitat Győr (Tables 2 and 3), and it is likely to have a wider range. - Localization: small intestine. - Extensity and intensity: M. arvalis: 2%, 1-5 specimens, M. agrestis: in two cases 1 specimen each, P. subterraneus: 6%, 1-6 specimens, C. glareolus: 7%, 1-5 specimens. Description: Medium sized Anoplocephalid

, length 70-120 mm, maximum width 3 mm. Scolex length 400-500 yu, width 600 ju. Diameter of suckers 160-225 yu. Neck 250 yu, followed by gradually widening strobila. Number of testes 35-45 per segment, 50 yu in diameter, situated antiporally, composing a group, some testes lying in front of the ovary. Prostatic gland visible. Cirrus pouch 150-170 x55-70 yu. Cirrus covered with fine spines. Atrium genitale considerably deepening from the marginal line of the segment at its half. Vagina opening into atrium behind cirrus, with well developed musculature, bordered by numerous glandcells. Receptaculum seminis 150x230 yu. Ovary located in middle of segment, 120-160 x320-440 yu. Vitellary gland with two lobes, 100x200 yu. Ventral excretory vessel 40-50 yu in diameter (Pigs. 3-5). Egg 44-48 yu, bulbus of pyriform apparatus 15 p, length of embryonal hooks 7-8 p. Aprostatandrya macrocephala (Douthitt, 1915) Eosts: Microtus arvalis, Pitymys subterraneus, Clethrionomys glareolus, Ondatra zibethica. It was found also in Microtus oeconomus by EDELÉNYI (I965). - Localities: Tiszabercel, Orgovány, Bácsalmás, Mts.

Naszály, Mts. Pilis, Lake Velence, N shore of Lake Balaton, Kisbalaton, Vasi hegyhát, Comitat Győr (Tables 2 and 3). - Localization: small intestine. - Extensity and intensity: M. arvalis: 5%, 1-4 specimens, P. subterraneus: 5%, 1-5 specimens, C. glareolus: 2-4%, I-4 specimens, 0. zibethica: 2 specimens in one case . Description: Medium sized Anoplocephalid. Strobila 100-200x3-4 mm. Characteristics of this species are a very large outstand-