The Biology of the Protozoa by Gary N. Calkins
1933. Second Edition. 607 pages. No dust jacket. Red cloth with gilt lettering. Contains colour illustrated plates throughout. Pages are mildly tanned with visible foxing. Mild cracking to gutters and rear hinge. Blacked out inscription to front endpaper. Boards have light edgewear with corner crushing and light marking to boards. Notable sunning to board edges and spine, which has mild crushing to ends. Book has forward lean. Boards are mildly warped.