Author: LYMAN, Theodore.:
Title: Mode of forking among Astrophytons [Filices]. [From the Proceedings of the Boston Society of natural History, Vol. XIX, March 7, 1877.]
Description: [Boston.] 8vo, 23.2cm. Pp. 8, 4 plates of fern leaves. Orig. prionted wrappers. Faint vertical fold, very good otherwise. - With author's compliment label and large signature of [presentee] Hermann Schlegel (1804-1884, a.o. Director of the Leyden Museum of Natural History).

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