432 Scientific Intelligence. 
The first affords the vertical prisms 121° 38’ and 96° 20’; the octa- 
hedron 119° 14’, oe Hy 98° 40’; the brachydiagonal prism (basal 
angle of prism) "1B? 4 
ae 
In the second, there is the vertical prism 122° 14’ (calculated, 127° 
48’ observed) ; the octahedron 126° 40’, 120° 40’, 83° 52’; the brachy- 
vy ape prism 12', 
make ti in the above ratios for the axes, then 
For Type], a:b: e==1: 1-287: 1:153=0-777 : 1: 0-896. 
For Type Il, @:b:c==1: 1-658 : 1-508—0-663 : 1: 0-903. . 
aS the same 2 vertical axes, and the difference would be simply vi 
morphous substitutions. The axes will then be as follows :— 
Type I, a:b:¢= 0-777: 1: 0896. 
Se Ty arb: o== 0-754: 1: 0-903. 
_ The planes in this case will have the symbols given on the wipe af 
, except the lettering, from Scacchi), in which the bes 5 
_ ogre gence $a:1b: 1c, and that of type Il, Ja: a 
ve the shorter lateral axis parallel to the observe bf 
In igure 1, oe to ort the angle P23 
P 40’; = 160" 4% ; 131° 50. 
lv, 
ldlinophane, a new mineral; Ta. Scnerrer, (J. f. pr- Chem-» 
seg )—This Species is near Leucophane and possibly identical with it 
is color, jee; yellow, citron or honey yellow; lustre vitreous 5 
hardness 5; G.=3-00, Only one distinct cleavage. Composition— 
; poate 
ee Be BY BeGiny Fe oa. Be. ee 
