Editore: Transactions of the American Microscopical Society, Vol. LXXV, No. 3, 1956, Pp. 259 - 270., 1956
Da: Eryops Books, Stephenville, TX, U.S.A.
Reprint/offprint of journal article; no covers; ex-museum library; minor shelfwear; small nick on lower edge of first leaf; o/w in good condition.