Malacostraca podophthalmata Britanniae, or, Descriptions of such British species of the Linnean genus Cancer as have their eyes elevated on footstalks / by William Elford Leach ; illustrated with figures of all the species, by James Sowerby.

Part 2 has title (on cover): Malacostraca podophtalmata Britanniae, or, Description of British species of crabs, lobsters, prawns, and of other malacostraca with pedunculated eyes ... continued and completed, with a new generic and specific index to the whole, and seven new plates by George Brettingham Sowerby. London : Published by Bernard Quaritch, 1875.
At head of title, pt. 2: Nos. XVIII & XIX.
Bound with vol. 1 is p. 306-400 from the Transactions of the Linnean Society, vol. XI, 1814, containing the first publication of Leach's work, "A tabular view of the external characters of four classes of animals, which Linne arranged under insecta.".
Vol. 1 is extra-illustrated with 13 original watercolors (on paper watermarked 1828) by Thomas Brightwell and/or his daughter Cecilia Lucy Brightwell.