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

internal parenchyme

,ripe eggs filling last segments. Eggs spherical or elliptical, 40-52 u in diameter (Pig. 6B). Oncosphaera 26-35 M in diameter, length of embryonal hooks 14-16 p.. Differential diagnosis: The new subspecies differs from the nominate form by the size of the suckers, the thickness of the tegument, and the number of testes. The data of the nominate form described by BAYLIS (1927) from India, those of the cestodes collected from Cricetulus migratorius in Yerevan, Armenia by AKHUMYAN (1946) identical to those examined by SPASSKY (1951 ), and those of the exemplars collected in Hungary are summarized in Table 1. Holotype

: Host: Mus musculus spicilegus; locality: Mátyáshegy Budapest, 25 June, 1970; length of specimen 80 mm, width 2 mm. Serial number of slide: 2607. Paratypes

: l) Mus musculus spicilegus, Mátyáshegy, Budapest, 25 June, 1970; measurements: 115x2 mm; slides 2606/1-2. 2) Rattus norvegicus, Pestlőrinc, Budapest, 27 September, 1972; measurements: 200x2 mm; number of slides: 4047/a,b;number of sections: 4047/1-8. The types are deposited in the Helminthological Collection of the Hungarian Natural History Museum, Budapest. Discussion Of the Mathevotaenia species, M.symmetrica (Baylis, 1927) Akhumyan, 1946, M. ratti Yamaguti et Miyata, 1937, M. lemuris (Beddard, 1916) Meggit

, 1934 and M. rodentinum (Joyeux, 1927) occur in rodents. According to SPASSKY (1951 ), M.lemuris and M. ratti are junior synonymes of M. symmetrica

. The known distribution