Chemistry and Physics. 461 
water lost at 100° (supposed eeope) and the other minor 
constituents be neglected, we have | 
Cale. for Fe,H,O, 
yea 
Fe gQdininsas es Wet. | ABO) tees 85°5 
5 eee ae 196.4 Ate 14-44 
100° 100° 
The assumption of the P,O, ane as a hydrated phos- 
phate, with even as much w ater in cacoxene or the basic 
salts ‘Acccned by Ramevenls fe) not suffice to bring the 
remaining ferric hydrate into accordance with the formula of 
gothite. 
The mineral is obviously limonite in pices Pie oben 
while: the blood-red color has not, so far as Ia e, before 
een noticed in connection with ea Beis , but He been 
looked upon as characteristic of gét ow far the large 
amount of phosphorus present may te any relation to the 
peculiar appearance of the mineral may be questioned. 
SCIENTIFIC INTELLIGENCE. 
I. CHEMISTRY AND PHysICcs. 
seems to have arise m a statement of Hiller, that the hydrate 
is formed when bvabdehibns acid gas is into a solution of 
hypochlorous acid co 0 0°, But since HCl HOCI react 
itat aa 
mercurous chloride; and were the formula HOCI+HC1 + (Hl Vis 
the right one, that product must be mercuryl chloride, me, finally, 
in presence of s Experim a mercuric oxide, the matter ys 
Cl, +HOH=HC1+HOCL. 
Cl, ot sichieme gels a: 
To this view Hueo Scurrr, in a subsequent paper, decidedly 
objects, pier the scat entirely insufficient. He gives quite : 
