128 Scientific Intelligence. 
(8.) The crystallized magnetic iron ores contain no titanium, they ¢ 
sist of one atom of protoxyd and one atom of sesquioxyd. : 
(9.) All the Elba iron ore does not contain titanium, but all, like 
from Vesuvius, contains magnesia and protoxyd of iron. 
(10.) The strongly magnetic octahedrons from Vesuvius, hitherto cous. 
ered as a specular iron, which are accompanied by rhombobedrons : 
specular iron, contain in part large quantities of magnesia, and in part 
protoxyd of iron. They consist either of magnetic iron whic has beet 
partially converted into sesquioxyd of iron, as well as of the isomer picts 
combination Mg¥#e, or, as is more probable, the two protoxyds are = 
morphous with sesquioxyd of iron, which is itself dimorphous—Poy 
i 7 
the 
Ann., civ, 497. 
8 
CeH40s = CsHs04 + Ca0a. 
Malonic acid forms neutral and acid salts with the alkalies. Malo othe 
ammonia precipitates the salts of lime, baryta, silver and mercury. acis 
author remarks that while the analogy between malonic and oxali¢ “ale 
is strongly marked, the resemblance between malonic and succile a 
is much less distinct— Comptes Rendus, xlvii, 76. behics 
9. Remarks on Chemical Science ; by Sir Joun Herscuet, at chest 
cent meeting of the British Association at Lente Se ae gee 
- istry has assum ings of Dumas, Lids 
ed, by the experiments and reasonings highly alsin! 
which by 
and intellectual form under which it now presents itself, and 
