'Arcana' was originally a work published in monthly parts, of which 21 were issued from Jan. 1810. N.B. A complete set contains 84 p. of plates.
Bound with this book is a reprint from the Victorian Naturalist. 1912 v.29, no.1 : 7-16: "Perry's Arcana" : an overlooked work / by Gregory M. Mathews.