Editore: USGS Annual Report 14-2G, 1894, pp. 399-434., 1894
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft cover. Softcovers reprint; ex-library; very light stains/soiling on outside wraps; minor shelfwear w/ small creases at corners of leaves; o/w in very good condition.