196 THE FIRST PRINCIPLES OF HEREDITY 



Id, 58, 66, 72, 7Z^ 74. 84, 85 



homologous, 70 

 Idant, 58, 66, 72, 74, 76, 82, 83, 84 

 Idiocy, 109 

 Idioplasm, 57 

 Imbecility, 112 

 Immunity, 115, 116 



acquired, 116 



natural, 116 

 Indian game fowl, 133 

 Inebriety, 1 14. See also Drunken- 

 ness 

 Infection, germinal, 109 

 Infusorian, 6, 11, 17 

 Inheritance, blended, 69, ^2, 74. 

 141 



exclusive, 69, 72 



germinal, 182 



law of ancestral, 167, 168, 171 



Mendelian, 121, 131 



particulate, 69, ji, 75, 115, 

 141 



prepotent, 69, 72, 141 



unilateral, 72 

 Insanity, no, 112 

 Insect, 35, 49, 91 

 Invertebrate, 34 

 Ivy, 105 



Jelly-fish, 25 



Karyokinesis, 30 

 Katabolism, 8 

 KoUiker, 29 



Lamarck, 106, 174 



Lamarckism, 93, 94, 105, 107, 

 174, 176. See also Use-in- 

 heritance 



Lancelet, 49 



Law of ancestral inheritance, 

 167, 168, 171 



Leghorn, 131, 133 



Linin, 30 



Lizard, 9 



Lock, R, H., 144, 156 



Loeb, 45 



Lotsy, J. P., 131 



Maize, 87 



Malay fowl, 133 



Mal-development, 104 



Malformation, 88, 98, 109 



Malpighi, 29 



Mammal, 34 



Mania, 112 



Masked characters, 136 



Maternal impressions, 88 



Maturation, i^, 64, "ji 



Mean, 150, 151, 154, 161 



Median, 150, 152 



Mediocrity, 177, 179, 180 



Mendel, Gregor Johann, 120, 



124, 127, 140 

 Mendelism, 120, 140, 144, 171, 



180, 183 

 Mendelize, 140 

 Mendel's law, 127, 131, 171 

 Mental disorders, "iTF"" 

 Mesoderm, 48 

 Metabolism, 8 

 Metaphyta, 6 

 Metazoa, 6, 20, 97 

 Mice, 98 

 Microsome, 58 

 Mid-parent, 162, 168, 169 

 Mitosis, 30 

 Mnemik theory, 94 

 Mode, 150, 151, 154 

 Modification, 95, 99. See also 



Acquired characters 

 Mon-oecious, 22 

 Monohybrid, 127 

 Monotremata, 49 

 Moral characteristics, 182 

 Morphoplasm, 57 

 Morula, 47 

 Moss, 16, 26 

 Mulattoes, 72 

 Musical faculty, 80 

 Mutation, 140, 143 



theory, 144 

 Mutilation, 97, 98 

 Myrianida, 12 



NageU, 57, loi 



Natural inheritance, 143, 144, 162 



