Torino, Reale Accademia delle Scienze di Torino, 1823. 4to (25.4 x 20.5 cm). 32 pp.; five large, folding plates showing numerous figures of microscopical organisms. 19th-century grey wrappers.

A peculiar and rare paper on microscopical observations by the Italian theologist, entomologist and microscopist Matteo Losana (1738-1833). With more than 100 figures showing various observed microscopic organisms, of which many are described as new. Losana published on various subjects, e.g., on diseases in cereal grains. Extract from the academy's Memorie. A very good, clean, wide-margined copy. Not in any major natural history bibliography.