INDEX 



283 



Mice, 188 



Middleton, 78 



Miela, 227 



Milk depots, 227 



Mimicry, 146 



Mimulus, 115, 117 



MiraUUs, 142 



Moenkhaus, 112, 158 



Molluscoids, 21 



Molluscs, 21 



Mongolian, 255, 257 



Moncecism, 33 



Morgan, 62, 198 



Morphology, comparative, 18 



Morrow, 118 



Moss, 29, 46, 204 



Mule, 142, 2l9f. 



Mtlller, 34 



Muller, 158 



Mumford, 214 



Myxomycetes, 26 



Nam, 237f., 260, 262 

 Naudin, 144 

 Nearing, 233 

 Negro, 252ff. 

 Nemathelminthes, 22 

 Nematode, 21 

 Nemec, 203 

 Neolithic period, 258 

 New Zealand, 247 

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

 155, 157, 192, 196/=. 



alata, 19 If. 



height of species and crosses, 149 



Langsdorffii, 191 



longiflora, 69 



pawiculata, 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, 80/., 83/f ., 87 



Pearson, 92 



Peas, 148 



Pellew, 170, 172 



Pentstemon, 144 



Peredinece, 27 



Petunia, 117, 144 



Phaseolus, 139 



Phillips, 159 



Pisum, 139 



Poellman, 238 



Pollen grains, formation of in the 



lily, 40 



Polydactyly, 230 

 Polypodiacece, 32 

 Preston, 235 

 Primula, 144 

 Protandry, 23, 135, 201 

 Protogyny, 23, 201 

 Protozoa, 21 

 Pumpkin, 221 

 Punnett, 159 



Quantitative characters, inheritance 

 of, 6Gff. 



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, 

 107A 



inbreeding experiments with, 

 101/f., 105 



