_ ANIMAL ‘REPRODUDCTIONS. 277 
* fervations is too long, and fo ill written, that it 
“would give you confiderable trouble to read 
“it: mor have I time to make a corre& co- 
“Py: 
‘* My experiments began daft July; and I ufed 
“the {nails commonly found in gardens, of a 
“figure approaching to fpherical, and with 2 
< dark brown fhell. Seventeen, fome large and 
*€ fome fall, wete decapitated behind the large 
* horns. Decollation was performed on a fmooth 
wooden tablet, with a {trong fharp razor. The 
* fnails inftantly retired into their fhells:: a vifcous 
* frothy matter exuded from the trunk, in many 
‘ of a greenifh colour. They were immediately 
* put into a veflel among foft earth, and covered 
“ with a fieve. 
‘ Next I proceeded to diffe the heads, after be- 
* ing kept a little in warm water ; and in all, found 
“the upper and under part, with the horns, 
* mouth, lips, teeth, :and a portion of the pha- 
‘*rynx. Jknow not whether I fhould inform 
* you, that thefe {nails were what the French:call 
“ efcargot, and.are defcribed by Swammerdam in 
‘his Biblia Nature. The general appearance 
‘ feemed to correfpond with this:;; but, afhifted 
“* with a good magnifier, fome difference was vi- 
“ fible, as Swammerdam’s are in various places 
* covered with {mall ifolated tubercles of an irre- 
* gular figure, whereas mine were wholly cover- 
9 3 ©‘ ed 
