INDEX. 



341 



PAGE 



Nervous parents 207 



New England 7 1 



New Zealand 244 



Nichomachus 127 



Nipples 28 



Nobility 192 



Normal use 75 



Oaks 25 



"Old Parr" 121 



Opportunities , 179 



Orang-utan 218 



Organs 30, 59, 257 



Origin of degenerate classes 215 



Orinoco Indians 201 



Ourali poison 202 



Ova 54 



Paget, Sir James 29 



Parasites 206, 233 



Parents 265 



Parents, political justice to 265 



Parr, "Old" 121 



Parrot 229, 233 



Partial transmission 35 



Patagonians 197, 205 



Pauperism 209, 214 



Peers, longevity of 239 



Pericles 126, 128 



Persistency of force 247 



Peter the Great 133 



Philip of Macedon... 127 



Philippine Islands 200 



Philips 38 



Philosophical age 165 



Philosophers 166 



Physical training 76, 270 



Physical weakness 211 



Pigeons 38 



Pigs 32,35 



Pitt 138 



Plato 128 



Pliny 132 



Poetic age 164 



PAGE 



Poets 167, 174 



Pointer 34 



Polygamous animals 234, 259 



Polynesians 21, 202, 205 



Pope 174,176 



Popham 170 



Population, increase of 63 



Power, mental 261 



Power and aptitude, mental 260 



Practical age 165 



Premature marriages 203 



Premeditated sterility 263 



Prepotency 44 



Primogeniture 192 



Probabilities 103, 161, 162 



Probabilities, law of. .61, 65, 90, 92, 96 



Professional classes 195 



Progress, promotion of 269 



Prolific classes 63 



Prominent men 79 



Prominent men, sons of 74, 79 



Prostitutes 207, 210, 216 



Protoplasm 52 



Ptolemy II 129, 203 



Puberty 39, 88, 236, 238, 254, 269 



Puberty affected by latitude, 



88, 238, 244 



Puberty, delay of 236, 244 



Pure-blood animals 45 



Quagga 30 



Quatrefages 35, 236 



Queen ant, length of life of 231 



Queen bees 230 



Rabbits 206, 226 



Race of the future 268 



Races of men 194 



Raciborski 237 



Ram 32 



Rameses II 203 



Rapid generations 194, 204, 209 



Rapidly reproducing classes 63 



Rate of development 252, 255 



