Chapter I

Ice, 507
age, 1128

Ichneumons, 1406, 1408

Ichthyosauri, 673-74

Iliad, quotation from the, 75

Incidence, angle of, 800

India rubber, 1163, 1166

Indian, the (constellation), 78
figs, 1180, 1181, 1184-85

Infusoria, 1290

Insects, 1401-64, 1545, 1552, 1557, 1576, 1577-78, 1620, 1623-24,
1634, 1635
eggs of, 1401
eyes of, 1445-48
and flowers, 894-95, 897, 957, 968, 1028-30, 1064-68, 1069-77,
1112, 1495
fossil, 1421-22
imago of, 1401, 1461
larva of, 1401, 1458-59
mimicry in, 1595, 1600
orders of, 1402-5
parasitic, 1403, 1407, 1408, 1411, 1419, 1449-58
pupa of, 1401, 1460
scales of, 1431-34
“sembling” of, 1443-44
senses of, 1439-48
sounds of, 1434-36
stings of, 1436-39
transformations, 1401-2, 1405-6, 1458-64
type of, 1423
types of, 1423, 1424-25
wings of, 1428-34

Irrawadi, the, 624

Isobars, 788, 789-90

Isothermals, 786

J

Jackal, 1546

Jack-on-the-Middle-Horse, 126

Jacob’s staff, 77

Jacquart, Dr., 1694

Jacquin’s region, 941

Jaguar, 1553

Jaxartes, the, 627, 640

Jeffreys, Gwyn, 1309, 1312

Jelly-fish, 962, 1325-29

Job, 75, 119

Jorullo, 561

Josephus, 76

Judd, Prof., 528

Jungfrau, the, 512, 513

Jungles, 1140

Jupiter, 32, 131, 312, 313, 317, 326, 331, 340, 403-15
atmosphere of, 411
brightness of, 404-5
density of, 403-4
orbit of, 404
red spot on, 408-9
rotation of, 403
satellites of, 411-15
spectrum of, 416
spots on, 407-8
volume of, 403

Jussieu, B. de, 993-94

Jussieu, L. de, 995

K

Kaemtz, 787

Kakapo, 1608

Kampfer’s region, 940

Kangaroo, 965, 1558

Kangaroo-rat, 1558

Kazwini, 106, 115, 118, 119

Keeler, 155, 255, 406, 407, 422

Kepler, 226, 368, 396, 799-800

Kerner, 1003

Kilauea, 544, 545, 557

Kirby and Spence, 1401

Kirchhoff, 337-38, 340, 342

Kluge, 544

Knight, Andrew, 1058

Koch, Dr. R., 1133

Krakatoa, eruption of, 527-36

Krates, 64

Krause, 1003