Axial Bifurcation in Serpents - An Historical Survey of Serpent Monsters Having Part of the Axial Skeleton Duplicated

Durham 1937, Gln. mit SU., 117 Seiten, 134 Abb. auf Tafeln. „Aside from the morphological interest of Doctor Cunningham´s extensive review of abnormalities to be found among serpents of various kinds, is the interest in his detailed presentation of the contacts of early naturalists and others, their descriptiions and reactions to monstrosities amoung reptiles.I have great respect for a task showing such extended research and study as are embodied in this paper“, R.L. Ditmars.