The Lair of the White Worm

Based on the legend of the Lambton Worm. Posthumously abridged in 1925. 40 chapters (abridged as 28 chapters). --Wikipedia, whose plot summary is based on the abridgment.

Price from Tuck Colour frontispiece and plates

HathiTrust Digital Library provides full view of two copies without original cover: -- title page: no date or illustrator credit -- t.p. verso states 1911 copyrights by Stoker, both Great Britain, etc, and United States (library acquisition stamp illegible) -- Contents, p.vii-viii, lists 40 chapters and 6 illustrations Illustrations are listed as 6 plates not included in the pagination, but the last one, as "facing page 294", is actually reproduced and bound only as the frontispiece, with guard sheet.

The illustrations are not credited in the book, nor in the library records linked below. They are signed by Smith, "PCS" so stylized that it is not legible, but scrutable with knowledge that she is the artist --from her Wikipedia biography, for instance.