Morphology and function of the gnathosoma in the Histiostomatidae (Astigmata)
Wirth, S.  Proterorhagiidae (Acari, Endeostigmata), a new family of Rhagidiid-like mites from Mexico
Lindquist, E.E. and Palaciosvargas, J.G.  Fisrt observations on the behavior of Thonius braueri (Thon, 1906) (Holothyrida)
Trave, J.  Mixogamasus, a new genus Parasitidae (Acari: Anactinotriches) from Romania
Juvara-Bals, I.  General notes on the fondamental structure of the Gnathosoma
van der Hammen, L.