444 TRANSACTIONS OF THE CANADIAN INSTITUTE. [Vo VIII. 
on one crystal as fairly broad bands. This form was observed in all 
four quadrants. 
NEW FORMS. 
Of the two new forms observed one is in the prismatic zone and 
the other a terminal face. 
c 5/3, £3503. This is a broad face in the prismatic zone giving a 
bright reflection and a fair image. . 
¢ 4 
Measured 30° -34° g0° —-00 
Calculated) °° 39°>—38’ go° -00’ 
+40, £1043. This is a large, rough face giving no image, the read- 
ings being the observed maximum lustre. 
g 9 
Measured 90° —00’ 27° —00’ 
Calculated go° —o0’ 27° =O1' 
About a dozen crystals were measured, the results submitted 
having reference to the six best crystals. 
The total result in crystal forms may be summarized thus :— 
Letters — ya which onde 
Goldschmidt. Miller. 
b Comme.) O10 6 
m co TIO 3 
w -10 Tor 6 
Vv =i Tir 6 
a oO) 100 2 
x © 5/3 350 I 
y +i 104 6 
Individually the six crystals present the following forms in 
combination : 
