Page:First course in biology (IA firstcourseinbio00bailrich).pdf/639

Mycelium, P 107, 108, 188.

Mychorrhiza, P 108.


Nails, H 19.

Narcotic, H 137, 148.

Nasal tone, H 144.

Natural selection, P 8, A 148.

Nautilus, chambered, A 107.

Nectar, A 8, P 148.

Nephridium, A 45.

Nerve, H 119;
  spinal, H 127;
  cranial, H 127.

Nerve cell, H 119;
  fatigue of, H 130.

Nerve center, H 117, 120.

Nerve fiber, H 119.

Nerve tissue, H 11.

Nerves, vaso-motor, H 23.

Nervous children, H 135.

Nervous system, of bee, A 78;
  of man, H 117;
  of mussel, A 102.

Nest building, A 166, 182.

Neuron, H 118.

Neuroptera, A 82.

Neutral substances, ix.

Nitella, P 187.

Nitric acid test for proteid, xi.

Nitrogen, viii, P 39, 40, H 81.

Nitrogenous compounds, xi.

Nodes, P 20, 52.

Nodules, P 39, 40.

Nose bleed, H 52.

Nostoc, P 184.

Nostril, of bird, A 151;
  of fish, A 112.

Notebooks, P 3.

Nucleolus, A 6, H 6.

Nucleoplasm, H 7.

Nucleus, P 144, 185, A 6, 11, 14, H 6, 18.

Nutrients, H 91.

Nuts, P 164, H 95.


Octopus, A 106.

Oil gland, H 20.

Oils, test for, xi.

Okapi, A 214.

Oleander, P 86.

Omnivorous, A 47, H 111.

One-celled animals, A 7.

Oögonia, P 186.

Opossum, A 197; H 4.

Opsonin, H 162.

Optic nerve, H 151, 152.

Oral surface, A 35.

Orang, A 227.

Orbit, H 149.

Orchid, P 35, 110.

Order, A 9.

Organ, A 1, H 9.

Organic, xiv, A 1.

Organism, A 1.

Orthoptera, A 82.

Oscillatoria, P 184.

Osculum, A 18.

Osier, Dr. William, quoted, H 133.

Osmosis, P 42, 48.

Outdoor life, H 5, 22.

Ovary, P 135, 144, 163, 170, A 25, 37. 117.

Overgrowth, P 12.

Oviduct, A 46.

Ovule, P 144, 186.

Oxidation, xii, A 3, 4, 5, H 14, 90, 91, 120.

Oxygen, viii, A 4, 5, H 4, 76, 81, 140.

Oyster, A 104.


Palisade cells, P 86.

Palmate, P 74.

Pancreas, H 104.

Panicle, P 158.

Papilla, H 17.

Pappus, P 141.

Paramecium, A 13.

Parasites, P 107, A 49, 93.

Parenchyma, P 60, 86.

Partridge, A 178.

Pearls, A 105.

Peccary, A 217.

Pedicel, P 162.

Peduncle, P 62.

Peltate, P 77.

Pelvis, H 33.

Pepsin, H 103.

Perch, A 109, 110, 123.

Perennial, P 17.

Pericarp, P 164, 165, 169.

Peristalsis, H 102, 106, 127.

Peritoneum, H 106.

Pests, insect, A 93.

Petals, P 134.

Petiole, P 76

Phagocyte, H 161.

Pharynx, H 73, 85, 101.

Pheasant, A 174.

Phenogam, P 177, 180.

Phosphorus, vi.

Photo-synthesis, P 94, 101.

Phyllotaxy, P 84.

Physics, xiv.

Physiology, H 9.

Pigment, H 18.

Pine cone, P 27, 170.