New observations on the genus Pneumonyssus Banks (Mesostigmata)
  Dendrouropoda vallei, nov. spec. (Urop.)
  A new Bryobia, B. ulicis - Notulae ad Tetranychidas 7
  Complementary note on Tetranychus neocaledonicus André
  Study of the sexual characters of Trombidioidea
  A new French species of Valgothrombium. V. feideri n. sp.
  New or unknown mites (Harpyrhynchidae, Listrophoridae), parasites of birds and mammals
  Revision of the species Rhombognathus (marine Halacarids), described by Edouard L. Trouessart
  Polypterozetes cherubin Berl. 1916 (Oribate)
