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creep into the earth, I can fatisfy him in that point, from my own 

 experience ; for I have frequently fecn, after I had picked feveral of 

 them off' the tree, and not only tlirown thein on the ground, but pref- 

 fed tlicm with violence into the earth, by Itamping on them with my 

 foot, yet, in a fliort time, if their fliells cfcapcd unhurt, they would 

 find their way out again. 



In the month of Auguft, I invited the friend I have mentioned, fo 

 my houfe, and acquainted him with the manner I had treated the eggs. 

 he had font me, and fliewed him the Snails which they had ]n-oduced, 

 with which he was greatly pleafcd ; and told me he had rather fup- 

 pofed, that the fpecies of lizard commonly called Efts would have 

 been the produce. The next day, he brouglit to me a very large 

 Snail of this fpecies, the furface of whofe fliell was covered with 

 moift earth, juft as if it had newly crept out of the ground ; and he 

 infonned me, that, while he was bringing it, he perceived it lay an 

 egg. Hereupon, I put this Snail into a glafs tube, about ten inches 

 long, and wide enough to give it full liberty of moving about ; and 

 within half an hour it laid feven eggs, which I perceived flicking to 

 the glafs, and in two hours time as many more ; but, when [ next 

 examined it, I found that in creeping about the glafs it had broken 

 them all, and in two days it died, as I fuppofe for want of food, with- 

 out laying any more eggs. 



The fmall Snails, which, as I before mentioned, were produced 

 from the eggs, did not live above two or three days, and I perceived 

 that the fliells from whence they had ihlied were very white, but the 

 remainder of the eggs which had not produced any young ones, 

 and were barren, were of a dark colour, and of a watery appearance. 



It being now demonflrated by the foregoing obfervations, that 

 thefe Snails are produced from eggs, the old eilablifhcd error muft 

 be abandoned, which thofe adopt, who dream that thefe creatures 

 are produced from corruption, or the decayed leaves of trees ; and 



