Hyatt, A. — Observations on Polyzoa, sub-order Phylactolaemata.

Salem, Essex Institute, 1866-1868. 8vo (23.5 x 15.3 cm). iv, 103 pp.; nine engraved plates, tissue-guarded and with explanatory text., one double-folding table. Later green buckram with gilt title on the spine. Patterned endpapers. Original printed wrappers bound in. = A taxonomically important but seldom-seen work by the American marine biologist and malacologist Alphaeus Hyatt (1838-1902). This copy well-bound. Offprint from the Institute's Proceedings. Author's inscription in the top margin of the front wrapper. Pictorial bookplate of the John Crerar library on the front pastedown; their perforated stamp on the title and tiny stamp on plate versos. Plates are numbered 7-15. Plate 12 by mistake bounds in twice. A very good copy.