272 Scientific Intelligence. 
drogen upon cyanid of sulphur is represented by the three following 
equations. 
(1.) Cy,S,+H,Cy=H +CyH, S. 
(2) Cy,8,-+H,S;=CyH+CyH, S,+8, 
(3.) Cy 282.--K,S,=CyH-+-OyK, 8,482 
A molecule of cyanid of sulphur unites directly with two molecules 
NH Cy onia orm an ammonium-sulphid which has the fo rmula 
N. : 
NH 30 as 
This sulphid is ; ef ae Powers insoluble in ether, and easily pre- 
red by passing dry ammonia in etherial solution of the eyanid of 
pa 
sulphur. The suthoe sonia m “obtain a bisulphid of cyanogen, by 
the action of an etherial solution of iodine upon sulphocyanid of silver. 
lodid of silver is formed and a peculiar reddish brown very bis yi oe 
which was not further investigated but which can scarcely 
else than Ad Ls 2 The cyanid of selenium so closely ae the ; 
anid of eatphar in all its properties that the two bodies might easily be 
confounded; it is obtained vs an exactly similar reaction.— — Ann. der 
oe und Pharmacie, exx, 36. w. 6. 
On @ combination of hydrogen and iron.—Wanstys and Canits 
rhs studied the action of zincethyl upon as chlorids and iodids of sil- 
ver, copper, iron and nickel. The reactions represented by the equations 
(1.) (MeCl),+-Zn,(0,H,).—=Zn,Cl,+Me,+(C,H;)2 
(2.) (MeCl),+Zn,(C,H,).—=Zn,Cl,Me,+C, H,-+-C,He 
take place with subiodid of copper or — chlorid of copper and chlorid 
of silver. The action of zincethyl upon iodid of iron and proba bably also 
on chlorid of nickel takes oe ieiibedinng to the nae 
bubs d: When distilled water is bows in com” 
tact with the calc pure hydrogen is given off, which does not o 
with iron reduced by hydrogen. From this it appears that th 
mula 
me metallic iron. The authors suggest that the 
adapted to the ong acement of chlorine or oxygen by hyd 
, 69. 
gaged with investigations of the subject.—Ann. 
‘aeaieatars 
