A monograph of the fossil Polyzoa of the Crag.
By George Busk.
- London, Printed for the Palæontographical society, 1859.
- xiii, [1] 136 p., 1 l., illus., XXII pl. 28 cm.
Each plate preceded by leaf with descriptive letterpress. Added t.-p.: The Palæontographical society.
"The principal works or papers to which reference has been made": p. xii-xiii.