INTUS-SUSCEPTION, a displacement of the bowel, in which a higher
portion becomes folded or telescoped into a lower; is a frequent cause of
obstruction, and a serious, though not always fatal, condition; the term
is also applied to the process by which nutriment is absorbed and becomes
part of the system.

INVALIDES, HOTEL DES, an institution in Paris, founded by Louis XIV.
in 1674, for retired court servants and invalided soldiers; the church,
the nave of which is adorned with military trophies, is surmounted by a
majestic dome, under which the remains of Napoleon were deposited in
1840.

INVERARAY, county town of Argyllshire, on the NW. shore of Loch
Fyne, close to which is the castle, the residence of the Duke of Argyll.

INVERNESS (21), county town of Inverness-shire and capital of the
Northern Highlands, is situated on the Ness, near the Moray Firth, amid
picturesque surroundings, is rich in interesting memories; has several
public institutions, several manufactures, and a considerable trade; the
inhabitants are distinguished for the purity of their English.

INVERNESS-SHIRE (90), the largest county in Scotland, stretches from
the Moray Firth to the Atlantic, and includes many islands, Skye, the
Outer Hebrides (except Lewis), and others; it embraces a large part of
the Highlands, is very mountainous, has many glens and lochs, but little
fertile land; there are large deer forests, grouse moors, and sheep runs;
Ben Nevis, the highest mountain in the British Isles (4406 ft.), is in
this county.

INVISIBLE, THE, He who or that which cannot be seen, felt, handled,
or even conceived of, and yet who or which _is_, and _alone is_, as no
one, as nothing else can be.

IO, in the Greek mythology a daughter of INACHOS (q. v.),
beloved by Zeus, whom Hera out of jealousy changed into a heifer and set
the hundred-eyed Argus to watch, but when Zeus had by Hermes slain the
watcher, Hera sent a gadfly to goad over the world, over which she ranged
distractedly till she reached Egypt, where Osiris married her, and was in
connection with him worshipped as Isis.

IODINE, a non-metallic element originally obtained from kelp, but
now found in South America in combination with sodium, used largely both
free and in combination in medicine and surgery, in photography, and in
making aniline dyes.

IODOFORM, a crystalline substance similar to chloroform in
composition, only in it iodine takes the place of chlorine