Chemistry and Physics. 271° 
viva, according to the same mechanical laws. 
per or iron, on which five of the prepared frogs are fixed. rough the 
; .f bane d 2 cats in e 
contact with the frogs according to the methods generally empl ved, 
a Mileniam-—Cetteliins bia a to elon 0 apr 
em. lxvi, 257) is monoclinic. J: [= 64° 56, 22-22 
front edge) = ee 40’, C(or O: ii) = 104° 6’, 0: }4 (clinodome)= 142° 
54’, O: 1 = 124° 48’, O:-1=112° 36’. wk 
3. Iodine—Crystalline form (Mitscherlich, J. f pr. Chem. Ixvi, 265) 
rimetric; J: [= 112° 48’, 0: 1=112°4', 0: 1i= 126° 13}, O: = 
115°57’, 1%: 14 (top) = 72° 27’, 14: 1¢ (top) = 51° 54. 
Il. MINERALOGY AND GEOLOGY. 
d to be still hot when picked up, though this is doubted. The 
Mass is a small one, ad is aeoimed over the surface. It resembles much 
SSRN Ne a CS ee gee Neen, NEE oc 
S. 
