INDEX.
191
- Muscular system, development of, 129.
- Mushrooms, 83.
- Mycelium of Fungi, 84.
- Mylodon, 76.
- Myriapoda, 44.
- development of, 45.
- Myxine, 56.
- Naudin, 16.
- Nauplius, 46.
- Nautilus, 49.
- Navicellæ, change of, 30.
- Neanderthal skull, 173.
- Nebular hypothesis, 10.
- Negritoes, character of the, 168.
- Nematelminthes, 34.
- Nemertes, 36.
- Neptunists, 111.
- Nervous system, development of, 129.
- Niagara limestone, 113.
- Nitella, 88.
- Noctilucæ, 30.
- Nostoc, 87.
- Nostochaceæ, 80.
- Notidanus, 119.
- Nototherium, 73.
- Oidium, 84.
- Oken, 14.
- Opossum, 70.
- Organic products manufactured, 12.
- Ornithodelphia, 70.
- Ornithorhynchus, peculiarities of, 20.
- structure of, 70.
- Osseous system, development of, 129.
- Ostrich, 64, 66.
- Ovary of plant, 97.
- Ovule of plant, 97.
- Paleontology, teachings of. 111.
- Paleosaiirus, 62.
- Paleolherium, 9, 72, 122, 140.
- Paleozoic animals, 109.
- Palms, fructification of, 143.
- Paludicella, 38.
- Pangolin, 76.
- Paramcecium, 30.
- Peculiarities, inherited, 135.
- Pediastrum, 80.
- Penelope, 67.
- Penguin, 67.
- Pentacrinus, 42.
- Pepperwort, 94.
- Perch, 57.
- Peripatus, 36.
- Perissodactyla, structure of, 72.
- Peronospora, 85.
- Petals, 97.
- Petromyzon, 56.
- Phanerogamia, 78, 96.
- definition of, 101.
- Phenomena, ultimate causes of, 11.
- Phractelminthes, 37.
- relationship of the, 41.
- Physalia, 28.
- Physical conditions, 141.
- Pig, 9, 70.
- Pigeons, selection among, 158.
- Pillwort, 94.
- Pine, 97, 98.
- Pistil, 97.
- Placoganoids, 56.
- Planaria, 35.
- Plants, classification of, 78.
- growth of, 11.
- natural selection among, 150.
- nutriment of, 83.
- progression in, 103.
- Platyelniinthes, 34.
- Plesiosaurus, 59, 119.
- Plica semilunaris, 136.
- Pliocene period, 121.
- Pliolophus, 140.
- Plutonists, 111.
- Pollen, 97.
- Polypterus, 57, 115.
- relationship, 58.
- Potsdam region, 112.
- Powell, Rev. B., 16.
- Primary age, 110.
- Primitive groove, 129.
- trace, 128, 129.
- Prorhynchus, 35.
- Prosimiæ, classification of, 75.
- habitat, 74.
- Proterosaurus, 62, 117.
- Proteus, 59, 60.
- Prothallus, 92, 93, 95.
- Protococcus, 87.
- Protonema, 90.
- Protophyta, origin of, 83.
- Pteroclidæ, 67.
- Pterodactyles, 119.
- Puff-balls, 83.
- Quadrumana, classification of, 162.
- Rays, 56.
- Reproduction of plants, 80.