1866 · London:
by GRAY, John Edward (1800-1875).
London:: John Van Voorst, 1866., 1866. 4to. iv, 17, [1] pp. 16 lithographic plates. Rubber-stamp on title, some darkening of extremities, "introduction" leaf mounted on tab. Recent quarter plain cloth, boards. Very good. Gray writes in his introduction that the plates for this work were actually prepared circa 1840-47, "containing figures of all the genera and of most of the species of this class." His reason for the delay in producing the work was that Professor Agassiz had wished for his assistance in forming part of his Monograph of Radiated Animals. / John Edward Gray, FRS, was a British zoologist. During his 50 years employed at the British Museum, (truncated)