London: Royal Society, 1952. 1st Edition. FIRST EDITION, OFFPRINT ISSUE of a paper by William Joscelyn Arkell, an English paleontologist who was an authority on Jurassic ammonites and their environments. The leading expert on the use of ammonites as Zone fossils, Arkell made numerous contributions to knowledge of the Jurassic stratigraphy and gradually stabilized many stratigraphically significant zonal assemblages. Item #242
CONDITION & DETAILS: London: The Royal Society. 4to. (12 x 9 inches, 300 x 225mm). Continuously paginated 241-313, [plates]. ILLUSTRATIONS: 31 photographic plates. EXTERIOR: Bound in original paper wraps with a bit of minor aging. The small area at the foot of the front wrap noting "Price Forty Shillings" has been very neatly blacked out (see image). Tightly bound. Near fine condition. INTERIOR: Complete. Pristine throughout and in very good condition overall by any measure.