444 



INDEX 



Arnold, 107 



Arthropoda, 327 



Ascaris lumbricoides, 326, 340 



Ascogonium, 175 



Ascus, 176 



Asexual reproduction, 169 



Asphyxia, 54 



Atrophic changes of age, 432 



Auricles of heart, formation of, 



140 



Autogenetic cells, 247 

 Automatic action, 155 

 Automatism, 155 

 Axolotl, 191 

 Azygospores, 181 



B 



BACILLUS, colon, 320 



of tetanus, 319 

 toxic product of, 352 



of tuberculosis, 320 

 Bacteria, aerobic, 52 



and infection, 350 



and oxygen, 52 



and phagocytes, 372 



avenues of entrance, 352 



discovery of, 23 



effect of temperature on, 38 



life of, 352 



light and, 55 



mutualism of, 316 



nitrogen-fixing, 316 



number of, 352 



sitotropic reactions of, 49 

 Balantidium coli, 324 

 Barry, 202 



Bastard toadflax, 323 

 Bateson on sex determination, 



235 



Beck, 87 

 Bed-bugs, 318 

 Bilharzia, 325 



Binomial nomenclature, 298 

 Bioblasts, 96 

 Biogenetic law, 222 

 Biogenic infusions, 25 

 Biophors of Weismann, 248 

 Bitter root fever, 336 

 Blastocele, 209 

 Blastoderm, 209 

 Blastodermic vesicle, 215 

 Blastogenic idioplasm, 251 

 Blastomeres, 208 

 Blastophore, 210 

 Blastula, 185, 209 

 Blood, development of, 135 



relationship, 305 

 Blood-cells, 95 



Blood-vessels, regeneration of, 

 404 



replacement of, 418 



suture of, 406 

 Blumenbach, 228 

 Bones, atrophic changes in, 434 



regeneration of, 399 

 Bonnet on regeneration, 392 

 Bordet on blood, 306 

 Born on grafting in tadpoles, 



421 



Botfly, 330 

 Boveri, 197 



Box-within-box doctrine, 201 

 Brain, development of, 151 

 Branchiae, 145 

 Breeds of domestic animals, 



Darwin on, 278 

 Brooks' theory of inheritance, 



245 



Budding, 169 

 Buffon on evolution, 271 

 Bugs, 328 

 Burrows on growth of tissue in 



vitro, 312 

 Biitschli, 95 



