360 Mineralogical 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 Léopold de Buch. 
The following measurements were obtained by the aid of the Re- 
flective Goniometer. 
Inclination of 
P’ on P” over the summit 
jai de aml r ‘ 
+P or P” onl 
~f’ or P” on x 
xz on 
ah ~~ ~ BR 
on 
on 
on 
on 
on 
8 e &8 wa 8B 
ae ____ (To.be continued.) 
123° 25! 
95 45 
132 30 
150 15 
148 15 
