Subject of spectral illusions--Recent and interesting case
of Mrs. A.--Her first illusion affecting the ear--Spectral
apparition of her husband--Spectral apparition of a cat--Apparition
of a near and living relation in grave-clothes,
seen in a looking-glass--Other illusions, affecting
the ear--Spectre of a deceased friend sitting in an
easy-chair--Spectre of a coach-and-four filled with
skeletons--Accuracy and value of the preceding cases--State of
health under which they arose--Spectral apparitions are
pictures on the retina--The ideas of memory and imagination
are also pictures on the retina--General views of
the subject--Approximate explanation of spectral apparitions 37