INDEX 



Abnormal abdomen, 28-29, 32, 33 

 Abraxas, 175-178, 192, 248 



type, 173-177, 180 

 Albinism, 67 

 Albinos, 248 

 Allelomorphs, 23, 59, 60 

 Allen, 152 

 Altenburg, 85, 146 

 Amphibians, 114 



Ancyracanthus cystidicola, 39-44 

 Andalusian fowls, 26, 32 

 Androgenetic, 189 

 Annelids, 114 

 Antheridia, 152 

 Antirrhinum, 221 

 Aphids, 197, 207 

 Aphid, bearberry, 184 

 Apotettix, 146 

 Aphis avenee, 208 

 Archegonia, 152 

 Ascaris, 51, 52, 100, 160 



nigrovenosa, 196 

 Assortment, 73-79 

 Atavistic type, 252 253 



Baltzer, 215-217 



Banta, 194 



Bar-eyed, 31, 120, 121, 250 



Bataillon, 189 



Bates, 245 



Bateson, 25, 70, 85, 115-117 



Batracoseps, 46-49, 100, 113 



Baur, 85, 135, 220-222, 250 



Beaded wing, 257-260 



Bean, Florida velvet, 255 



Lyon, 255 

 Beans, 204 

 Beafberry aphid, 184 

 Bee, 180, 181, 197, 198 

 Belling, 255 

 Bergson, 267 

 Bifid wing, 119 

 Bion, 268 



Biophor, 234 



Bird, 174 



Biston, 53, 164 



Black fly, 30, 31, 63, 81-83, 87-90, 96, 



123, 124, 139-144 

 Bonnet, 234, 235 

 Boveri, 51, 52, 160, 213-215, 223, 



224, 231 

 Braehet, 189 

 Bridges, 55, 97, 114, 122, 127, 129, 



138, 157, 159, 191, 200, 246 

 Bursa pastoris, 71 



Carothers, 74-77 



Castle, 86, 87, 131, 132, 146, 256 



Castration, 244 



Chamberlain, 245 



Chromosomes, 39-58, 73, 96-117 



Circotettix, 74 



Cladocerans, 186 



Clarke, W. T., 210 



Clausen, 233 



Cobs of com, 249 



Color blindness, 170 



Confluent wing, 272 



Conjugation, 49, 50 



Conklin, 224, 225, 227 . 



Contamination, 34 



Corn, 85, 135, 229, 249, 252 



Correns, 219-220, 230 



Criss-cross inheritance, 176 



Crossing over, 87-95, 96-117, 139 



Cu^not, 25, 256 



Curved wing, 96, 124, 140-144 



Cut wing, 122, 248 



Ctenolabrus, 54, 232 



Cynthia, 227 



Cytoplasmic inheritance, 219-226 



Dachs, 123 



deficiency, 124 

 Daphnians, 197 

 Darwin, 234, 267, 269 



301 



