SCHaller.] MINERALOGIOAI, NOTES. 137 
Following is ?i short description of the new forms, the /j angle only 
|)eing given for the pyramids, </> being 0° 00'. 
a?={5380}: Four faces of this new prism were noted, always as line 
faces. 
o / o / 
Meas. </> 21 20 Calc. </> 21 47 
33 
37 
48 
£={3034/: Only two faces of this form are present, both on the 
same crystal. The faces, though narrow, are broader than many of 
the others, and gave fairly good reflections. 
o / o / 
Meas.... 31 45 Calc 31 40 
43 
{26.0.26.25/: This and the following form are doubtless vicinal to 
{loll}, though they both occur a number of times. This one is pres- 
ent on four crystals, and the measurements show the following values: 
o / o / 
Meas 40 24 Calc... 40 32 
26 Calc. for 1 1011 J 39° 26' 
36 
25 
19 
25 
{43.0.43.40/: This vicinal form is present on three crystals and 
occurs nine times. The faces are small and the reflections fair. 
o / o / 
Meas 41 24 Calc... 41 29 
30 Calc. for | 1011.;, 39° 26'. 
32 
16 
24 
35 
26 
35 
37 
n= {ll. 0.11.10} : This form occurs on two crystals. The faces are 
narrow and the reflections but fair. 
/ 
/ 
(as.... 42 24 
Calc. 
.. 42 08 
20 
04 
The form can be only classed as doubtful. 
