Letters on a suspected new sense in bats, with the answers of the Abbee Antonmaria Vassalli
Subtitle: Pavia, 1793-1794. Translation of "Lettere sopra il sospetto d'un nuovo senso nei Pipistrelli to be found in Vol. 5, p. 209 of the "Opere" of Lazzaro Spallanzani, 1826 ed
By: Translated by Dale McAdoo, edited by Robert Galambos
Published: 1941
Language: eng
Number of pages: 47
Notes: Reproduced from typewritten copy.

Official translation with footnotes and discussion is contained in thesis "Production and reception of supersonic sounds by flying bats" by Robert Galambos, submitted at Harvard in 1941.