Musci. Mr. A. Touw, Leyden, revised the family Hypnodendraceae in which many species from Malesia are included. This exemplary work was published in Blumea 19 (1971) and served as a thesis for the doctor’s degree, Dec. 1971. Mr. R.M. del Rosario worked in Illinois University on Musci and spent several months during 1971 studying Philippine mosses under supervision of Dr. B.O. van Zanten at Groningen University.