Chemistry and Physics. 
t these results have a very direct + bearing on the views now 
garding the constitution of the stars and nebul, and prom- 
make the application when his complete memoir is laid be- 
the Royal Society.— Proc. Royal Society, xvi, 419. 
Ww. 
2. On the reduction and saturation of organic compounds 8 uy 
ro “8 —Since the publication of our abstract of 
oe on this subject we have received ano ghee vor 
mplete memoir, from which we extract the following as 
C,H,(C,H,)+2H, = 
ola Allyl. ot nba as of  alropren. 
C,H,(C,H,)+3H, = 20 Fis 
H ydraret of ee 
2d section—complex carbids of the aromatic se 
Sgt 1, C,,H,,, by taking up hydrogen sider” the action of an 
iodhydric acid yields hydrid of hexylene as principal 
: C2,H,, 2 = 20,24. : 
less iodhydric acid it yields as chief product benzine: 
24°74 +H, = Cio 
2 as pecondary products carbon, hydrid of ‘propylene and free 
Styrolene yields hydrid of octylene as chief product : 
~+oH, = C,,H,, 
less ae le the ayo of 9 hexplene ml ethylene: 
16 H,+6H, wuts He. : 
sabes less st of the bare styrolene yields hydrid of 
C,.H,+H, i6Hyo 
a es abundantly oii! and nydrid of a 
OH 4-08, = 0,04 
= Be rocin » Or6Bo or C,,H, (C,H ‘iG ca as chief product 
— 
me 
: H, +48. H.. , 
16 z 
t being perhaps hydrid of ethylhexylene, C,H, 4(C Hk 
ter proportion ms the author obtained also the hydrids of 
ene and ogee 
“eae x pyrogenic carbids, 
. C55 —— a Rats le Fe acid 4 rile ce 
product ; ist tha 20, 
yitid ( Je ont diethyl penzine, Coy H145 rs hiya of 
