474 Scientific Intelligence. 
very fusible and — — 0 a pure and deli- 
quescent. Bromine acts less pow y, giving rise to a white 
bromide, and iodine a white ibdide, both of iiich resemble the 
chloride. The atomic weight the authors determined to be 69° 9. 
Durr, —— received a portion of the metal, has undertaken 
: and to be 
covered with a bluish gray ellicke, At a bright red, this pellicle 
is thicker, a feeble sublimate being formed. Treat ed with strong 
nitric acid at 40° or 50° , it dissolves ; and the solution heated to 
110°, loses nitric acid. Redissolved in water, evaporated to a 
63°8 per cent in weight, thus proving it to be a nitrate of the 
sesquioxide, At a higher temperature the nitrate melts, decom- 
ite fri 
ermangan. nee is ioc baby a rata salt ; a view a euieiet 
y the fact fe it does not form an ammonium alum as does the 
sesquioxide sulphate. At a bright red heat, ae nae sre reduces a 
= n of the oxide to the metallic state—C. F., lxx —_ wi 
577, 720, 756, Feb., March, 1878. 
3. On Dime eth yl-ethylene, bape | Butylene.—The aa ie 
of co , as is well known, is a mixture in variable proportions 
of active or aiiviiecthyEStiiyt alcohol ch | CH—HH, OH and 
inactive or isopropyl-ethyl alcohol cH Le CH—CH, —CH, OH. 
Dehydrated by zine chloride in the ordinary way, it furnishes an 
“cea re consisting of four different bodies: two soluble in 
peed woid dil uted — = its volume of water, e this 
tied the ordinary process by placing the zinc oe about 500 
grams, in ee spacious metal 4 a — it in a gas furnace to full 
fusion an d running in a thin stream of amyl alcohol, the “— 
a ina pind worm. The amylene on 
‘product, boiled between 35° and 38°, re com- 
arias aioe by bromine, and with the exception of 3 or 4 per 
cent, consisted of isopropyl-ethylene / CH, * | CH- CH=CH,, pro- 
duced from the corresponding aleohol. The associated ethyl 
methyl-ethy! alcohol as well as the admixed propyl and butyl 
aleohols came over sierra Bat small sceminiases of a deg? 
, diamylene only being isolated. 
