Two species belonging to the genus Tectocepheus from nature farm at Nayoro in Northern Japan (Acari, Oribatei)
  A redescription of Feltria denticulata Angelier (Hydrachnellae, Acari) based on type material and specimens from Scotland
  Halacarellus coecus (Trouessart) and Halacarellus princeps (Trouessart) (Halacaridae, Acari), redescriptions
  Notes on the Hyadesiidae Halbert, 1915 and Algophagidae Fain, 1974, nov tax (Acari, Astigmata), with a redescription of Hyadesia curassaviensis Viets, 1936 and Hyadesia sellai Viets, 1937
  The feather mite family Alloptidae Gaud. 4. A new genus of Alloptinae (Acarina, Analgoidea)