Miscellaneous Bibliography. 439 
to “ linoxic acid,”—a sticky substance, like mtine. By seve- 
ral months farther exposure, the linoxic acid dries and becomes 
“linoxyn,” C,,H,,0,,,—an amorphous, tough, leathery matter 
insoluble in water, alcohol, ether, or dilute acids, but dissolving in 
is to reproduce linoxates. Its best proper solvent is a mix- 
There are two linoxyns, the white and the red, and there are cor- 
‘responding white and red linoxic acids. The white modifications 
n ina 
of linoleate of lead, is HO,C,.H2,04; eee peers by the ox- 
dation of free linoleic acid in the air, is HO,C,,H,,0,42HO. 
d linoxie acid when separated from red linoxate of lead by 
ut 
ment is Linoleic anhydrid, 32H2703,—comp 
the list of peculiar substances which exist or be ed in 
ing of” such oils, and it adds much to the goodness of boiled oil. 
It is an unalterable, elastic matter, like caoutchoue that has been 
melted. : sayy" 
Poppy seed oil and nut oil differ from linseed oil 
laurin instead of palmitin, and mes linolein gives only the white 
variety linox ence not being li 1 
. they oe eter te artists’ use. 4 . of consists SS hae 
of linolei ’ elai 10 p. c. of my 
ce gar a Fo ae be galled the respiration of 
drying oils, for when they are spread out over @ great surface they 
absorb oxygen and give out carbonic acid, like the blood of living 
i In drying, linseed oil increases 0 weight to the amount 
of from seven to twelve per cent over and above what it loses in 
not : 
this stage of the drying ing i leted, there remain linoxyn 2 
ee a ae and the paint is dry and flexible 
