Ricreatione dell' occhio e della Mente NelY of- 
fervation delle Chiocciole Dal P. Fdippo Buo^ 
nanni &ic.in Roma^ peril Varefe^ 1681. 
HAving difcourfed as it were in his own defence 
how proper for the diverfion of a Fhilofopher 
thefe fort of Speculations are, as creating a pleafure 
only to him whofe faculties are refined enough to re^ 
lijh it; he divides his SuhjeSi^ which is Shell-fijh , ac- 
cording to the number and figure of their Shells, whence 
arifes the diftind:ion of them into Univalves^ Bivalves^ 
and Turbinated. The production of thefe, as to its 
manner, being much controverted among Ndturalifis^ 
he enumerates and examins the feveral opinions con- 
cerning it, vi'^. That they propagate their own Spe- 
cies by their own Nature as other perfeB Animals, as 
fome think, or as others, that they arife from putri* 
failion, as InfeUs have been fuppofed to do ; and fome 
few opinions more fubordinate to thefe two: -And not 
at all acquieffingin, neither confuting, the reafon- 
ing and experiments of Steno, ^di ^ Lyjier , he 
imbraces the old and antiquated opinion of their be- 
ing equivocally ^vodMCtAout putrefaHion, for which 
he brings little proof befides the well known reafons, and 
Authority of Arifiotie^ 
hhtx this he confiders the great variety of Shapes 
^nd Colours which adorn them, and having made fome 
en* 
