Angierentgenographic and macro-microscopic analyses were applied to study vermiform appendix lumen in rabbit. Passage and distribution of appendicular artery are described. In the appendix wall a great number of intervascular ...

Results are presented of the first neustonological researches in open waters of the Mediterranean Sea performed in 1967-1968. The number and distribution of the Pontellidae and Parapontellidae 11 species are given making ...

Inhabiting the Amur flood plain by the Ixodoidea superfamily starts at the aging stage of primary osieries. The inhabitance results from their transfer by the domestic host animals. The pasture species, Haemaphysalis ...

Species composition of medick pollinators was studied in two points (the Poltava and Sumy Regions) of the Forest-steppe of the Left-Bank Ukraine for 1971-1973. The following five species of bees out of 27 registered were ...

The article deals with a specification of the Spongioradsia genus and a description of two species S. aleutica (Dall, 1879) and S. subaleutica S i r e n k o sp. n. inhabiting the seas of the USSR.