Money, 163

    Morphia, 91

    Mortar, 148

    Morse, S.F.B., 213

    Mosque, 72

    Mother-of-pearl, 132

    Mt.  Cenis Tunnel, 216

    Muscles, 21

    Music, vocal, 176

    Musical instruments, 174
      boxes, 179

    Musk, 141

    Myrrh, 141

    Nantes, Edict of, 45

    Natron, 105

    Nature, kingdom of, 197

    Navigation, 166-174

    Nabuchodonosor, 146

    Needles, 57

    Nero, 185

    New South Wales, 31

    Newton, Sir Isaac, 189

    Nicotine, 92

    Nitre, 100

    Nitrogen, 113

    Northern Lights, 22

    Nutmegs, 50

    Oats, 24

    Obelisk, 158

    Oils, 65

    Oil, olive, 64

    Oil, castor, 66
      mineral, 65

    Olives, 63, 64

    Olive branch, the emblem of Plenty, 64

    Opium, 91

    Orange, 61

    Ore, 83

    Organ, barrel, 179

    Oxide, 83

    Oxygen, 113

    Painters, celebrated, 184

    Painting, art of, 180

    Palm, 68, 69

    Palma Christi, 66, 67

    Pantheon, 146

    Paper, invention of, 57
      mill, 58
      linen, 58

    Papyrus, 58

    Parchment, 59

    Pearls, 131

    Pearl oyster, 131
      barley, 24

    Pendulum, 98

    Pepper, 52
      cayenne, 53

    Pericles, 159

    Perry, 136

    Petroleum, 65

    Phenicia, 54

    Philosopher’s stone, 194, 195

    Phonograph, 205

    Phosphorus, 125

    Photography, 209

    Pins, 57

    Pimento, 51

    Pisa, 172

    Pitch, 140

    Platina, 123

    Pliny, 54, 182

    Plumbago, 122

    Poetry, 185-187

    Poets, celebrated, 186

    Polypus, 108

    Pompeii, 154

    Porcelain, 56

    Potash, 53

    Potatoes, 24

    Primitive Earths, 153

    Printing, 59

    Prism, 208

    Protestant, 58

    Ptolemies, 189

    Pyramid, 158

    Pythagoras, 188

    Quicksilver, 97

    Rabbins, 55

    Rain, 16

    Rainbow, 208

    Raisins, 47

    Raleigh, Sir Walter, 92

    Raphael, 183, 184

    Refugee, 58

    Republic, 65

    Resin, gum, 93

    Rhubarb, 94

    Rice, 48

    Rock or fossil salt, 78
      calcareous, 150
      transition, 151