INDEX 



Ab omasum, 149 



Abraxas grossulariata, 60 



Absorption, 147 



Acacia and ants, 30 



Acanthocephala, 238 



Accessory chromosome, 363 



Acorn- shells, 251 



Acquired characters, 399 



Acraspeda, 229 



Adamsia, 73 



Adaptation of Carnivore's skull, 



214 

 Adaptations, 118, 215 



in bird's skeleton, 217 



in organs, 214 

 Adder, 285 



Adherence to type, 340 

 Adolescence, 330 



Adrenal bodies, 154, 207, 315 



Adrenalin, 154 



^Epyornis, 289 



Aerial animals, 7 



^Esop prawn, 56 



Aftershaft of feather, 288 



Agar, 406 



Air-bladder, 210 



Alciope, 240, 241 



Alcohol, influence of, 408 



Alcyonaria, 231 



Alcyonium digitatum, 228 



Allantois, 210 



Allen, Grant, 42, 43 



Alma, 50 



Alternation of generations, 228, 

 230, 234, 235, 270, 336 



Alternative or Mendelian inheri- 

 tance, 371 



Alytes obstetricans, 118 

 Amazon ants, 87 

 Amblyrhynchus, 282 

 Amblystoma, 278, 389, 390 

 Ammocoetes, 271 

 Ammonites, 348 

 Amceba, 141, 220, 222 

 Amoeboid movement, 141 

 Amphibians, 276 

 Amphioxus, 270 

 Amphipods, 251 

 Amphisbseiia, 282 

 Amphisbsenid, 209 

 Amphiuma, 278 

 Anabolism, 156, 302, 303 



- and katabolism, 352 

 Anaconda, 285 

 Analogous organs, 207, 208 

 Analogy, 207 

 Anaphases, 203 

 Anaximander, 411 

 Aiidalusiaii fowls, 376, 379 

 Angler-fish, 126 

 Anguis fragilis, 282 

 Ani, 122 



Animal Kingdom, survey of, 297 

 Animalculists, 306 

 Animate surroundings, 397 

 Annelids, 238 

 Annulate type of nervous system, 



239,248 

 Anodon, 260 

 Anoplodium, 233 

 Ant-eater, 291, 293 

 Antedon rosacea, 245 

 Ante-natal life, 328, 336 

 Anthropoid apes, 295, 360 



459 



