First paper contains 22 pages, 6 colour photos, 7 lines drawings. Presents a taxonomic revision of the genus Acriopsis (6 species, 5 varieties). Revisions in Coelogyninae - embraces a taxonomic revision of the genera Bracisepalum (2 species), Chelonistele (11 species 4 varieties), Entomophobia (1 specie), Geesinkorchis (2 species), Nabuluia (3 species). Includes synonymy, descriptions, distribution, habitat notes.
