Biodiversity Heritage Library mailto:biodiversitylibrary@gmail.com Bulletin of the Essex Institute Essex Institute. n78013943 148349504 Q5399748 creator text issue Harvard University, Museum of Comparative Zoology, Ernst Mayr Library v.23 (1891) Salem, Mass Essex Institute 1869-1898 1869 1898 Semiannual, v.23 (1891)
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 ENG Essex County (Mass.) Essex Institute History Natural history Periodicals F72.E7 E77 974.4/5/005 Essex Institute. Proceedings https://www.biodiversitylibrary.org/bibliography/48717 Museum of Comparative Zoology--Biodiversity Heritage Library digitization project https://www.biodiversitylibrary.org/item/33895 0732-4952 1568255 370231767 07015634 Harvard University, Museum of Comparative Zoology, Ernst Mayr Library https://www.biodiversitylibrary.org/item/33895 https://www.biodiversitylibrary.org/pagethumb/8116953 v.23 (1891) Public domain. The BHL considers that this work is no longer under copyright protection. MUL item/33895 Machine-generated from BHL metadata