William Newnham (1790 1865) was a general medical practitioner, also qualified as an apothecary, who played a prominent role in his profession and was widely recognised for his skill. His particular medical interest lay within the fields of gynaecology and obstetrics, although he also published several papers on topics including phrenology and human magnetism. This 1830 publication contains a series of essays he had recently written for The Christian Observer. In them, Newnham argues that dreams, visions, apparitions and other apparently spiritual manifestations, whether good or bad, arise...