)i4 



Heredity and Eugciiies 



Gagcr, C. S., work of, 205, 20S, 222 



Gallon, F,, work of, 16 



Gametes, 29, 02, 87, 141 



Gametophj'te, 34 



Gates, ^Merrill Edward, pedigree of, 302 



Gates, R. R., work of, 199 



Genetics, S3 



Genotype, no 



Geography, in relation to eugenics, 2S9 



Germ plasm, 141; direct modification 



of, 165; influence of the single, 300; 



sudden transmutation in, 167 

 Goetlie, work of, 9 

 Guinea-pigs, work with, 42, 149 

 Guthrie, C. G., work of, 146 



Hair, characters of, 272 



Henry, Patrick, pedigree of, 304 



Heredity, 17, 42, 289; and sex, 62 



Helerozygote, 62 



Hcydt, Hans Jorst, pedigree of, 298 



Homozygote, 62 



Howard, Benjamin, pedigree of, 304 



Hoyt, Simeon, pedigree of, 297 



Human breeding, relations of barriers 



to, 289 

 Hybridization, 118 

 Hybrids, gi, 122, 166 



Inheritance, 42, 83, 141; sex-limited, 



287 

 Insanity, 283 

 Insects, work with, 2r2 

 Ishmaelites, the, pedigree of, 307 



Johannsen, W. L., work of, 85, no 

 Jukes, the, pedigree of, 305 



Kammerer, work ot, 211 



Kentucky aristocracy, pedigree of, 304 



Klcbs, G., work of, 204 



Knight, Thomas, work of, 84 



Kolreutcr, work of, 84 



Lamarck, work of, 10 



Latency, 97 



Lee, Francis Lightfoot, pedigree of, 303 



Lee, Richard, pedigree of, 303 

 Lee, Richard Henry, pedigree of, 303 

 Lee, Robert E., pedigree of, 303 



Leptinotarsa, work with, iSi, 216 

 Lutz, work of, 213 



MacDougal, D. T., work of, 205, 222 



Macro-gamete, 64 



Maize, work with, 54, 85, 116 



Man, inheritance of physical and 

 mental traits of, 269 



Manhattan Island and eugenics, 296 



Mendel, Gregor, work of, 18, 40 



Mendelism, 18, 40, 85, 100, 104 



Mice, work with, 212 



Micro-gamete, 64 



Migrations, and their eugenic signifi- 

 cance, 294 



Minot, Charles Sedgwick, pedigree of, 



30-' 

 Monohybrids, 91 

 Morgan, T. H., work of, 75, 222 

 Mutation, 13, 170 



Naegeli, Karl, work of, 40 

 Natural selection, ir 

 Neo-Darwinians, 16S 

 Nereis, work with, 47 

 New England and eugenics, 296 

 Nitrogen, in soil, 120 

 Nucleus, 24 



Oenothera, work with, 172, 197 

 Oranges, work with, 128 

 Orthogenesis, 14 

 Orton, W. A., work of, 125 



Paine, Robert Treat, pedigree of, 302 



Pangenesis, 142 



Parthenogenesis, 67 



Patton, Elizabeth, ijcdigree of, 304 



Pauperism, 285 



Pearson, Karl, work of, 16 



Phosphorus, in soil, 120 



Plant breeding, 113 



Potassium, in soil, 120 



