THE IlISTOKV 01- A DISCOVERV 



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of fos,s,Ts which he was preparing, that he proposed 

 to not,ce the mode of preservation of certain fossil 

 woods and other things with which I was familiar 

 and that he would show me the paper in proof, in 

 order that he might have any suggestions that 

 occurr«] to me. On reading it, I observed, among 

 other thmgs, that he alluded to the supposed Lau- 

 rent,an fossils, under the impression that the organic 

 part was represented by the serpentine or loganite 

 and that the calcareous matter was the fillin. of the' 

 chambers. I took e.xception to this, stating that 

 though in the slices before e.xamined no structure 

 was apparent, still my impression was that the cal- 

 careous matter was the fossil, and the serpentine or 

 '"»-n,te the filling. He said : " In that ca.se. would 

 .t not be well to re-e.xamine the .specimens, and to try 

 to d,scover which view is correct.." He mentioned 

 at the same time that Sir William had recently 

 shown him some new and beautiful specimens col- 

 lated by Mr. Lowe, one of the e.xplorers on the staff 

 of the Survey, from a third locality, at Grenville, on 

 he Ottawa It was supposed that these might throw 

 rther l.ght on the subject ; and accordingly Dr 

 Hunt suggested to Sir William to have additional" 

 shces of these new specimens made by Mr. Weston 



