, 132

Jaws,
insects, 67;
vertebrates, 73

Knowledge, value of, 150, 229, 242

Law, Divine, 245

Locomotion and nervous development, 61.
See also Muscular System

Love, 139, 180, 243

Magosphaera, 40

Mammals, 85, 92;
oviparous, 86;
marsupial, 87;
placental, 88;
temporarily surpassed by reptiles, 195

Man, 210, 219;
anatomical characteristics, 92;
mental and moral characteristics, 99, 112, 147, 150, 219, 242;
relation to nature, 210;
animal, 213;
moral, 220;
religious, 224;
hero, 227;
future, 228, 231

Materialism, 165

Mesoderm, 45

Mind, 115, 144;
amoeba, 33

Mollusks, 58, 106

Motives, 136, 148;
sequence of, 143

Muscular system, 309;
hydra, 38;
worms, 62;
insects, 68;
vertebrates, 73, 108, 216

Naegeli, 288

Natural selection, 12, 152, 278

Nature, 9, 28

Neo-Darwinians and Neo-Lamarckians, 296

Nervous system, 102;
hydra, 38;
turbellaria, 48;
mollusks, 59;
annelids, 63;
insects, 69;
vertebrates, 74

Notochord, 74, 79

Ontogenesis, 26

Phylogenesis, 26, 100, 310

Placenta, 88

Prayer, 259

Primates, 91

Productiveness and prospectiveness, 193, 200, 202

Protoplasm, 32, 34

Protozoa, 39

Reflex action, 125, 135, 146

Religion, 166, 224, 262

Reproduction, 309;
amoeba, 32, 35;
hydra, 38;
magosphaera, 40;
volvox, 41;
turbellaria, 50;
annelids, 62;
insects, 66;
vertebrates, 73.
See also Size and Surface and Mass

Respiration,
amoeba, 35;
worms, 48, 63;
insects, 66;
vertebrates, 77, 84

Sequence of functions, 80, 109, 174, 309;
condensed history of, 100, 152, 221;
reversal of, 154, 205

Sexual reproduction, 33, 37, 41

Sin, 245

Size, 35, 51, 72, 76, 89, 214

Skeleton, 58, 74;
mollusks, 59;
insects, 65, 67, 71;
vertebrates, 74, 82

Social life, 182, 217

Socrates, 161, 189, 200

Specialization, 236, 239

Struggle for existence, 11, 158, 277;
mitigation of, 217

Surface and mass, 35, 50

Tissues, 42

Turbellaria, 46, 102

Vertebrates, 73, 81, 107;
primitive, 77

Volvox, 40

Weismann, 290

Will, 136

Worms, 56;
schematic, 52

* * * * *

The Morse Lectures for 1895