484 



INDEX 



Antho2oa 31, 71, 76, 87, 88, 90, 95- 

 97, 100, 101-108, 110, 113, 122, 

 123, 129, 130, 133, 149, 163, 166, 

 171, 172, 179, 183, 185, 190, 195, 

 197, 198, 202-206, 208, 209, 211, 

 212, 215-219, 223, 229, 237, 238, 

 243, 252, 254, 255 



Antimeres 10, 59, 79, 186 



Antipatharia 122, 183, 232 



Anucleata 354 



Apolemia 121 



Aposcolecida 395 



Appendiculata 349, 443 



Aprocta 78, 241, 224 



Apterygota 416 



Arachnactis 263 



Arachnoidea 384 



Archaeocyathidae 31, 379 



Archaeopteryx 68, 69, 348 



Afchiannelida 400 



Archicoelomata 426 



Archihiston 212, 315, 317 



Architomy 215 



Aristotle 13, 73 



Armohydra 51 



Arthrodira 456, 457 



Arthropoda 387, 412-417, 419, 437, 

 460,463, 465 



Articulata 411, 412, 414 



Artiozoaires 87 



Aschelminthes 296, 389, 395, 396, 

 463, 465 



Ascidia68, 174, AAA, 452 



Ascon 7, 369 



Asexual reproduction 153, 154, 213- 

 220, 258, 266, 278, 283, 294, 429 



Aspidosiphon 433 



Assymetry 134 



Athecata 53, 237, 239 



Atypical budding 218, 



Ausserhoffer 211 



Autotrophy 355, 356 



Aves 457, 461 



Awerinzew 363 

 Ax 174, 215, 450 



Babic 217 



Balanoglossus 174, 448 



Balanophylia 170 



Balfour 25 



Baltzer 436 



Barkley 354, 355 



Bateson 442 



Bathypelagic animals 141 



De Beer, Sir Gavin 21, 23, 24, 33, 



68, 82, 248, 300, 348, 442 

 Beklemischew 24, 78, 232, 244, 257, 



271, 273, 274, 349, 366, 408, 411- 



412, 414, 416, 425 

 Belar358 



Benthonic life 10, 36, 48, 152 

 Berrill 174, 442, 444, 445, 446, 452 

 Bertalanffy v. 247 

 Bigeiow 221, 263 

 Bilateral symmetry 10, 14, 19, 22, 55, 



102, 273, 344, 437, 453 

 Bilateria 85, 245, 270, 375, 380, 386, 



411, 426, 463-465 

 Bilaterogastraea 103, 249, 250, 269, 



404 

 Biogenesis 343 

 Bisexuality 282, 284 

 Bisymmetry 10, 102 

 Blastaea 26, 229, 248, 250, 322, 326, 



327, 363, 364. 375 

 Blastaeadae 373 

 Blastoderm 1 

 Blastopore 434 

 Blastostyl 159 

 Blastozooid 217 

 Blastula 322 

 Boas 40 

 Bodonidea 361 

 Boettger 341, 394, 408, 453 

 Boloreroides 149, 219 



