Darwin (C), THE ORIGIN OF SPECIES BY MEANS OF NATURAL SELECTION OR THE PRESERION OF FAVOURED RACES IN THE STRUGGLE FOR LIFE, full leather, gilt embossed motif to cover for the London School Of Dentistry, marbled endpapers, prize bookplate to inside front cover, tissue guarded photographic frontispiece, foldout diagram, John Murray, London 1906, with Darwin (C), THE DESCENT OF MAN AND SELECTION IN RELATION TO SEX, matching binding, John Murray, London 1906 (2) (at fault)