Lespès, M., on eggs laid by work-
ers, 35; on grain stored by ants,
61; on the feeding of Lome-
chusa by ants, 76; on the
domestic animals of ants, 90
Leuckart, his experiments on ant-
intelligence, 238

Life, duration of, among ants, 8
Light, dislike of ants to, 2, 186;

as aid to sense of direction
among ants, 268; bees attracted
by, 284
Ligurian queen bee, introduction
of a, 287

Limits of vision with ants, experi-
ments as to, 199-206; in Daph-
nia, 219

Lincecum, Dr., as to Texan har-

vesting ants, 62

Linnæus quoted as to aphides, 67
Locust, ants apparently deceived
by a leaf-like, 66
Lomechusa fed by ants, 76
Long, Col., as to the sense of
hearing among certain ants, 226
Longevity of workers of Lasius
niger, 38, 42; of queen ants, 9, 40
Lowne, Mr., quoted as to the func-
tions of ocelli, 183

Lund, M., quoted as to the intel-
ligence of ants, 236
Lycana pseudargiolus, ants seen
licking the larva of, 68

MCCOOK, Mr., quoted as to

the adoption of a queen by
Crematogaster, 34; as to honey-
ants, 48; as to the grain-fields
of the Texan harvesting ant, 62;
as to ants licking the larva of a
butterfly, 68; on recognition by
smell among ants, 127
Märkel quoted as to insects kept
by F. rufa, 74
Maimonides as to the ownership of
ant-stores of grain, 59
Males only produced by eggs laid
by workers among bees, wasps,
and ants, 36, 37; of Anergates

MYR

wingless, 86; of Tomognathus
wingless, 87 note
Mandibles of ants, 11; pointed in

Polyergus. 18; but toothless,
82; sabre-like in S. Huberi, 84
Marking ants, bees, and wasps,
methods of, 5

Meer Hassan Ali, as to harvesting
ants, 60

Mental powers of ants differ from
those of men in degree rather
than in kind, 181
Metamorphoses undergone by in-
sects, 8
'Metamorphoses
quoted, 30
Mexico, honey-pot ants in, 19, 47
Michael, Mr., description of Uro-
poda by, 429

of Insects,'

Microphone, experiment with, 225
Mimicry, protective, instances of,
66

Mischna, rules in, respecting ant-
hoards of grain, 59

Mites, ants infested by, 26, 98;
new species in nests of Lasius
flavus, 429

Mocquerys, M., on the tenacity of
the bite of the ant, 96
Moggridge, Mr., on harvesting
ants, 61

Morality among ants, question as
to, 93; among bees, 285
Mosaic theory of the vision of com-
pound eyes, 184

Moseley, Mr. H. N., quoted as to
the connection between ants
and certain epiphytes, 58
Mouth of ant described, 11
Müller, his observations on Cla-
viger, 76; on the mosaic theory
of vision, 184; on the colour
sense in bees, 307; on blue
flowers, 310

Mushrooms grown by ants, 57
Myrmecina Latreillii, the eye in,
11; their mode of defence, 16;
said to be phlegmatic in disposi-
tion, 27

ΡΟΙ

Poison ejected by Formica rufa, 15
Polistes, robbery among, 286; P.
gallica, a specimen of, kept for
nine months, 315
Polyergus rufescens, the eye in, 11;
its mode of combat, 18; indi-
vidual courage of, 27; males
produced from eggs laid by
workers among, 39, 45; greatly
dependent on its slaves, 80, 83;
slave-making expedition of, de-
scribed, 81; degrading effect of
slave-holding on, 89; imprisoned
friends and strangers equally
neglected, 105; power of com-
munication among, 158, 180
Polygonum amphibium, glandular
hairs absent from specimens
growing in water, 56
Ponera contracta, the eye in, 11
Ponerida, one of the three families

of ants, 1; form of knot in, 13;
stridulating apparatus in, 230
Primulaceae, evolution of colour
in, 309

Protective mimicry, 66

Pupe of ants, 7; experimented on
as to power of recognition
among ants, 129
Python said to have been de-
stroyed by the Driver ants, 64

SIE

&c.; after long separation, 123,
233, 333; means of, 125; among
bees, 126; experiments as to,
with pupæ,129-147; as to sister
ants brought up separately, 147;
proved to be communal, not per-
sonal, 152

Relations, behaviour of ants to, 93
Retrogression of organs: of sting,
14; of wings, 15; of eyes, 75
Roads made by ants, 25
Robbery among bees, 285
Rufescent ants on a slave-making
expedition, 81

T. FARGEAU, Lepeletier de,

31; on the benevolence of ants,
94; as to hearing among insects,
221

Saüba ant, see Ecodoma cephalotes
Sauvages, Abbé Boisier de, on the

connection between ants and
aphides, 68
Savage, Rev. T. S., On the Habits
of Driver Ants,' quoted, 20, 63,
64
Scavengers, some ant-guests may
serve as, 75

Scent, power among ants of track-
ing by, 124, 171; experiments
with different kinds of, 233;
importance of, to ants, 258
Schenk, Anergates discovered by,
86
Secretion of aphis retained till re-

quired by ants, 69; of Claviger
and Dinarda as food for ants,
75, 76

Seeds of violet collected by ants,
26; stored by ants, 60; and
prevented from sprouting, 61
Senses of ants, 182; organs of,
226, 232

Sentinels among bees, 288
Sex of eggs determined by treat-
ment, 40, 41

Siebold, von, on sense-organs in

SIG

Gryllus, 231; on robbery among
Polistes, 286

Sight, how far ants are guided by,
251, 258, 266, 270
Signals given by ants, 158
Slave-holding, structural changes
induced by, 82; degradation
caused by, 89
Slave-making ants, 18; expedition
of, 81
Slavery among ants, origin of, 79;
degrading tendency of, 82-89
Smell of Myrmecina possibly pro-
tective, 17; on recognition
among ants by, 127; sense of,
among ants, 233; the probable
means of recognition among
bees, 281; sense of, keen among
bees, 288

Snake killed by Driver ants, 64
Soldiers among ants, 20; those of
Sauba do not fight, 22; their
origin, 22

Solenopsis fugax, the eye in, 11;
the enemy of its hosts, 78
Solomon on the foresight of the
ant, 59, 60

Sound, apparent insensibility of
ants to, 222; possible existence
of, beyond human auditory
range, 223, 233; how produced
by Mutilla, 229; apparent in-
sensibility of bees to, 290
Specialisation of form in flowers

correlated with colour, 308
Spectrum, experiments as to per-
ception of, by ants, 198
Spiders, their intelligence in es-
caping the Ecitons, 66; mimick-
ing ants, 66

Spiracles of ant, position of, 12, 14
Stenamma Woodwardii, the eye in,

11; found exclusively in nests
of Formica, 78
Stethoscope-like organs in antenna
of ant, 228

Sting in ants, possible correlation

of, with form of knot, 13; pro-
bable common origin of, in ants,

TYN

bees, and wasps, 14; atrophied
condition of, in Formica, 15; the
loss of, fatal to bees, 283
Stores, made by ants, 59
Strangers, behaviour of ants to-
wards, 104, 109, 119, 333
Stridulating apparatus in Mutilla,
229; in ants, 230
Strongylognathus Huberi, its mode
of slave-making, 84

testaceus, the eye in, 11; slave-
holders in spite of their feeble-
ness, 84; their degradation, 87, 89
Sulphate of quinine, experiment
with, as to ant vision, 216
Surgical use of ant heads in Bra-
zil, 96

Sykes, Mr., quoted as to seed-
collecting ants, 60