Pure Cultures of Algae: Their Preparation and Maintenance
xii, 120pp. Maroon cloth-covered boards, gilt titles on spine. Lightly bumped spine heel, cloth just wearing. Top text block edge dusty. Verso of frontispiece foxing. Internally neat, clean, bright and tight. Dust jacket has light shelf wear, price unclipped. 12mo. Professor Pringsheim describes in detail the practical methods which he has devised so they will be available to others taking up the same work. With a foreword by F E Fritsch.