106 Scientific Intelligence. 
fractionings, a liquid was obtained whose boilin point was 34°C. in- 
stead of 42°, and which distilled entirely between 34° C. and 37°5°. As 
thus purified, the liquid possessed all the roperties mentioned by Wohler 
and Buff. Its vapor mixed with air detonated violently in contact with 
flame, giving a white cloud of silica. It was analyzed by placing 3 
weighed quantity in a sealed bulb, introducing this into a tube contain- 
ing dilute ammonia, sealing the tube, and breaking the bulb. Aftera 
short time the tube was opened, its contents poured into a platinum dish 
h. The residue was treated 
described. Its analysis gives the formula Si€,H 
authors derive the constitutional formula ey bo,. When silicic 
(€2H;), 
chlorid SiCl, acts upon alcohol, it produces silicic ether 
; atts)s 
as is well known , consequently the new ether bears the same relati 
limpid liquid, with an agreeable odor, and insoluble in water, by which it 
is slowly decom josed. It is rather more inflammable than silicic ether, 
: mar caeprbic. it by evolving hydrogen when treated with an alcoboli¢ 
the original gas, and to bur 
