Pharmaco‐chemical and Physiologic Investigation of the Bark of Frangula is the subject Apothecary Rudolf Maeder of St. Gallen. Thanks are given the same members of the Faculty. The dissertation makes a book more pages than the others and more references are given in which those mentioned the preceding dissertation are included. The candidate for the degree names “glucofrangulin” = frangulin plus glucose = C27H30O14H2O as the principal active constituent