Fourteen species of Ptilonyssus from Australian birds (Acarina, Laelaptidae)
  Uropoda anchor Trouessart and the genus Uroactinia Zirngiebl-Nicol
  Pygmephorus allmanni a new Pyemotide from Australia
  Three new species of tetranychid mites from South Africa
  Studies on Indian Erythraeoidea (Acarina) Series 3. Mites of the subfamily Leptinae Southcott
  Fainalges trichocheylus n. g., n. sp., odd representative of the family Analgidae
  Mexican Oribatei (1st serie) Dampfiella Selln. and Beckiella n. g
  Nellacarus latens n. sp., a new Oribatid species from Germany (Acarina: Oribatei: Microzetidae)
  The longevity of fasting oribatid mites
