Edité par Natural History Transactions of Northumberland and Durham, 1869, part I, vol. III, pp. 54-120 + 3 plates., 1869
Vendeur : Eryops Books, Stephenville, TX, Etats-Unis
Soft cover. ORIGINAL Articles, disbound from journal; missing rear wraps; shelfwear w/ front wraps creased and lower corner dogeared; edges of pages rough where cut; binding a bit shaky w/ split at hinge at top of 4 pages and plates; o/w a good copy of a rare work.