284 ANIMAL REPRODUCTIONS. 
€ to fufpend my judgment, and to multiply the 
* experiments. 
© Towards the end of laft fummer, along with 
* Sig. D. Mongiardino, I decapitated a great 
* number of fnails, diverfifying the cut in many 
¢ different ways. It was vertical; one line, or 
‘ farther, behind the large horns; more or lefs . 
* oblique; a line, or further, before the large 
* horns; and only half the head of others was 
“cut off. Ten died, and the reft, examined 
* within thefe fome days, were alive. But the 
© reproductive power has little a@tivity during this 
© cold weather ; and it will probably be a long 
* time before I am able to fatisfy my curiofity. 
© With the moft profound refpe&, I am your 
¢ Reverence’s moft humble and obliged fervant, 
‘Gio. BatristTa PRaToLONGO. Genoa, Ie 
¢ January 1783.’ 
To Sig. the Abbé Lazaro Spallanzani, royal _ 
Profeffor in the univerfity of Pavia, MicHELE 
GIRARDI. ' 
‘ My dear Friend,—I confider your requeft, to 
¢ repeat the experiments you have made on ter- 
§ reftrial fnails, as an evidence of that impartial 
* anxiety which actuates you for difcovering the 
* truth amidft the myfterious arcana of natures 
* Thus your obfervations will always triumph ; 
* for they are fupported on fuch a bafis as to , 
* dread neither the injury of time nor envy. It 
§ feems, 
