The preputial glands of Ceratotherium

specimen in Copenhagen Zoo. A female of this species, captured in the Little Siak River district, Riau, Sumatra, lived on exhibition in the Copenhagen Zoo from 1959 to 1972 and at death was an estimated 13 years old. Through the courtesy of Professor K. G. Wingstrand, of the Institute of Comparative Anatomy, University of Copenhagen, certain of the viscera, including the pharynx and its adnexa, were carefully excised in the fresh state and were formalin preserved for the writer's examination.