Index 



Abraxas (the currant moth), in- 

 heritance of sex in, 252 



Absorptive capacity of seeds of 

 peas, 128 



Accessory chromosome as sex deter- 

 minant, 263 



Albinism, inheritance of, in mice, 

 73 



Allelomorph, 246 



Allelomorphism, spurious, 253 



Anasa, accessory chromosome in, 

 263 



Andalusian fowl, inheritance of 

 colour in, 33 



Angora character, inheritance of, 

 in cats, 191 



Antirrhinum, 272 



Bateson, W., 4, 190, 249, 253 

 Baur, E., his work on Antirrhinum, 



272 

 " Bisexual " crosses of de Vries, 139 

 Bunyard, E. A., his work on 



cotyledon colour in peas, 131 

 Butler, Samuel, 188 



Oastle, Professor, his theory of sex, 



250 

 Oats, tortoiseshell colour in, 249 

 Cattle, roan colour in, 80 

 Chelidonium, 137 

 Gobbett, William, his book on 



gardening, 143 



Oolour-blindness, inheritance of, 248 



Oombs of fowls, 104 



Counters, device for illustrating 



Mendel's theory with, 172 

 Grabs, effect of parasite Sacculina 



on sex of, 260 

 Grossing, practical instructions for, 



in peas, 146 

 Gurrant moth, inheritance of sex in, 



252 



Darwin, Gharles — 



his theory of evolution, 3 

 his theory of pangenesis, 187 

 Dawson, R., his theory of sex, 



258 

 DD, DR, RR, possible matings 

 between these zygotic types, 

 179 

 De Vries — 

 his work on mutation, 5 

 his theory of the nature of 

 Mendelian characters, 10, 139 

 Directions for carrying out experi- 

 ment with peas. Oh. X. 

 Dominance — 

 not an essential feature of Men- 

 delian inheritance, 38 

 distinguished from prepotency, 

 96 

 Dominant characters — 



the number of generations ife 

 takes to combine two, 104 



279 



