12 Scientific Intelligence. 
fy Pecan iodide when reduced gives arseno-iodo-benzene 
thalene C,,H,As=AsC_H, being produced by the reduction of 
102 T 
remaining powder is extremely deliquescent. On analysis it gave 
numbers agreeing with the formula C,,H,,O, nce the first 
ow as a combination of this with a molecule of alcohol, 
C,, ,H,O, which requires 8-9 per cent of alcohol. This, 
and the residue dried over sulphuric acid, gives a body whose 
i WH,,0, hen therefore the 
alcohol in the above formula is replaced by water the formula be- 
— 19-98 4° 4, OF C,H,,0, This hydrated body pos 
sesses all the physical, chemical and organoleptic properties of @ 
dextrin. It is amorphous, yellowish, very soluble in water, of 4 
