INDEX 



283 



Mice, 188 



Middleton, 78 



Miela, 227 



Milk depots, 227 



Mimicry, 146 



Mimulus, 115, 117 



Mirabilis, 142 



Mcenkhaus, 112, 158 



Molluscoids, 21 



Molluscs, 21 



Mongolian, 255, 257 



Monoecism, 33 



Morgan, 62, 198 



Morphology, comparative, 18 



Morrow, 118 



Moss, 29, 46, 204 



Mule, 142, 219f. 



Miiller, 34 



Muller, 158 



Mumford, 214 



Myxomycetes, 26 



Nam, 237f., 260, 262 



Naudin, 144 



Nearing, 233 



Negro, 252/f. 



Nemathelminthes, 22 



Nematode, 21 



Nemec, 203 



Neolithic period, 258 



New Zealand, 247 



Nicotiana, 103, 139, 142, 144, 148, 



155, 157, 192, 196f. 

 alata, 19 If. 



height of species and crosses, 149 

 Langsdorffii, 191 

 longiflora, 69 

 paniculata, 192 

 rustica, 192 

 tabacum, 192 

 Nordic factors, 250 

 Normans, 260 

 Norsemen, 258 

 Nucleus, 36 



Oats, 114 



Oogenesis, 37 

 Open door, 265 

 Ostrich, 210 



Papaver, 144 

 Paramecium, 202 

 Parasitism, 22 

 Parthenogenesis, 206 

 Pasteur, 235, 237 

 Payne, 235 

 Pearl, 80f., 83/f., 87 

 Pearson, 92 

 Peas, 148 

 Pellew, 170, 172 

 Pentstemon, 144 

 P&redinece, 27 

 Petunia, 117, 144 

 Phaseolus, 139 

 Phillips, 159 

 Pisum, 139 

 Poellman, 238 



Pollen grains, formation of in the 

 lily, 40 



Polydactyly, 230 



Polypodiacew, 32 



Preston, 235 



Primula, 144 



Protandry, 23, 135, 201 



Protogyny, 23, 201 



Protozoa, 21 



Pumpkin, 221 



Punnett, 159 



Quantitative characters, inheritance 

 of, 66/f. 



Races, intermingling of and national 



stamina, 245/f. 

 Racial types, 250 

 Radish, 192 

 Ranunculacece , 32 

 Raphanus sativus, 192 

 Rat, 188 



curves showing body weight of, 



107/. 

 inbreeding experiments with, 



101/f., 105 



