TY - BOOK TI - Proceedings of the Academy of Natural Sciences of Philadelphia VL - v.70 (1918) UR - https://www.biodiversitylibrary.org/item/18308 PB - Academy of Natural Sciences of Philadelphia CY - Philadelphia PY - 1918 SN - 0097-3157 N1 - Chemical abstracts | 0009-2258 --- Nuclear science abstracts | 0029-5612 --- Selected water resources abstracts | 0037-136X --- Bibliography of agriculture | 0006-1530 --- Biological abstracts | 0006-3169 --- Bibliography of agriculture | 0006-1530 --- Biological abstracts | 0006-3169 --- GeoRef | 0197-7482 --- Life sciences collection --- Vols. for 1857-1900 are unnumbered. --- In lists on covers the vols. are arranged in series: 1st ser. 1841/43-1856 (8 v.); 2d ser. 1857-70 (14 v.); 3d ser. 1871-<1922 (52 v.)> --- "Publications of the Academy of Natural Sciences of Philadelphia": v. 53, 1901, p. 788-794. AU - Academy of Natural Sciences of Philadelphia. KW - Natural history KW - Natuurwetenschappen KW - Periodicals KW - Science ER -