360 



Miner alogical Journey. 



of Lake Champlain." The foregoing is all the information we are 

 at present in possession of, as respects the locality and geological 

 relations of the rock in question. From the known transition char- 

 acter of that neighborhood, it is very possible that this zircon sienite 

 may repose upon transition limestone ; in the same manner as the anal- 

 ogous rock does in Norway, according to the observations of MM. 

 Hausmann and Leopold de Buch. 



The following measurements were obtained by the aid of the Re- 

 flective Goniometer. 



Fiff. 2. 



Fig. 3. 



Inclination of 

 P' on V over the summit 

 P' on ¥" 

 V or V" on I 

 P' or V" on X 



a? on a? 



X on x' 



I on I 



I on X 



I on s 



s on X 



(To he continued.) 



