TY - ART TI - Essays on the microscope : containing a practical description of the most improved microscopes : a general history of insects, their transformations, peculiar habits, and oeconomy : an account of the various species and singular properties of the Hydrae and Vorticellae: a description of three hundred and seventy-nine animalcula, with a concise catalogue of interesting objects : a view of the organization of timber, and the configuration of salts when under the microscope — Illustration, Plate 4 PY - 1787 UR - https://www.biodiversitylibrary.org/page/44678751 ID - page-44678751 ER -