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Abstract
<title> SUMMARY </title>Among the manuscripts of L. Spallanzani preserved at the «A. Panizzi» Library in Reggio Emilia there is an unsigned paper entitled «Osservazioni anatomiche intorno ai Pipistrelli» («Anatomical Observations on Bats»). Its examination proved that it is not by Spallanzani, but by the anatomist Michele Girardi, who studied the subject with particular attention to the nervous system of the cheiroptera at the request of L. Spallanzani, who developed an interest in the matter in the course of his research on the blind flight of these animals. Having established the authorship of the manuscript and reconstructed the circumstances in which the article was prepared, we analyse it briefly and reproduce a complete transcription of this unpublished text.
Abstract
title SUMMARY /title The author has transcribed the most important manuscripts containing the laboratory notebooks of biological interest of L. Spallanzani. Here we show their importance, content and structure by means of a series of tables which give the location, dates of writing and subject matter of the individual manuscripts (which are kept at the A. Panizzi library in Reggio Emilia). An edition of these manuscripts has been transferred to floppy disc and entrusted to the Florence History of Science Museum. In this article we present the criteria which were followed in the preparation of this edition which can be consulted, after complying with the necessary formalities, at the library itself.