Lumbar Spine Muscles, showing the Quadratus Lumborum Muscle, the Psoas major and minor, and the Iliacus. It also shows the eleventh and twelfth rib,the Dorsal Vertebae and more. This very detailed Lithograph in vivid colour is from the book “The Muscles of the Human Body in a series of plates”. It is edited by Jones Quain M.D.,Professor of Anatomy and Physiology in the University of London 1831-1835. Printed by Graf and Soret for Taylor and Walton, publishers to the University of London, 1836.