INDKX 



Bold-face numbers indicate pages bearing illustrations 



A 



Abies (fir), 295 

 Abraxas (moth), 363 

 Accessory body, 88, 89 



chromosome, 358 ff. 

 Acer (maple), 159, 176, 236, •_ ) :'> , .>. 356 

 Achromatic figure, 66, 145 



in animals, 111 ff. 



in higher plants, 17") ff. 



operation of, 182 ff. 



origin of, 180 

 Achromatin, 64 

 Acids, organic, 135 

 Acquired characters, inheritance of, 399, 



403 

 Acrididse, 243 

 Acrosome, 273, 275 

 Actinophrys (protozoan), 282 

 Actinosphcerium (protozoan), 211 

 Activation of egg, 284 ff. 

 Acton, 202, 205 

 Adami, 50, 412 ff. 

 Adiantum (fern), 91, 122 

 Adoxa (angiosperm), 236 

 Adsorption, 37 

 JFAhalium (slime mold), 39 

 Agar, ix, 162, 403 

 Agathis (conifer), 295 

 Agave (century plant), 134, 239 

 Age, 136, 137, 138 

 Akinetic division, 143 

 Albugo (fungus), 289, 290 

 Albumen crystals, 135 

 Albumin, 40, 41, 117 

 Alchemilla (angiosperm), 313, 315 

 Aleurone, 134, 135, 333 

 AlexiefT, 118 



Alicularia (liverwort), 111 

 Allelomorphic pairs, 338 ff., 378 ff. 

 Allen, C. E., cell plate, 190 



chromomeres, 155, 39 1 

 plastids, 113 

 reduction, 222, 236 

 sex-determination, 357, 364 365 

 spermatogenesis, 88, 89 



Allen, R. I ■'., 91, 313, 31 l 

 Mhum (onion 



achromal i<- figure, l s - 



canalicul®, 48 



cell wall, L91 



chondriosomes, 116 



nucleolus, 65 



reduction, 234, 23d, 2 



somal i<- chromosomes, I 19, l"- 11 

 AUolobophora (annelid worm . 244, 

 Altenburg, 391 



Alternation of general i<m~. :;i l 

 Alt man, 33, 40, 48, 115 

 Alveolar theory of protoplasm, 33 

 Alveolation of chromosomes, 148, 149, 



242 

 Alytes (toad 1 . 237, 256 

 .1 mblystegium (moss . 317 

 Ambystoma (salamander), l»'i<> 

 Amici, 6, 13 

 Amides, 135 

 Amitosis, 210 if. 



and heredity, 212 215 



criticism of evidence, 213 215 

 Amma, 405 



Amoeba (protozoal, 42, 43, 44, 207, 222 

 Amphiaster, 1 15, 177. 178, 286 

 Amphibia, 239 

 Amphimixis, 403 

 .1 mphtoxus (lancelel \, 237 

 Amphitene, 231, 2 

 .1 mphiuma (amphibian I, 150 

 Amygdalus (angiosperm I, 134 

 Amylodextrin, 107 

 Amyloplast, 104, L06, 122 

 Amylose, 1<>7 



\ii:il>a'iiili. 20 1 



Analysis of gametes, 2 

 Anaphase 



heterotypic, 234, 236, 238, 239, 242 



somatic, 144, 1 r>. 1 17 

 Anasa (bug), 244, 245, 249 

 Anastomoses, I 17. 148, 1 19, 150 

 Ancel, 256 

 AncyracanthiM (nematode worm), 



367 



127 



