INDEX OF SUBJECTS 



"Abdominal (intestinal) folds" of Pander 254 



Abdominal plates 316 - 320 



Actinotrocha 572 



Adaptivity (ZweckmSssigkeit) 496 - 510 



Allantois 231 - 233, 259, 332, 411 



Alternation of generations in coelenterate 567 



Alternation of generations in Salpa 583 - 589 



Amnion 75, 228, 231, 253, 257, 322, 378, 379 



Amniotic fluid 484, 485 



Analogue (nature-philosophicals) 150 - 158 



Anatomical variations 102 



Animalcule 25 



Animalculists 39 



Animal part of the embryo 315, 378 



Anterior inlet in intestinal canal 313, 327 



Ascidiae (development) 588 



Ascidiae (relationship with vertebrates) 481, 482, 594 



Auricularia 583 



Basical (fundamental) organs 347, 348 

 Blastoderm 246 - 252, 254, 261, 265, 272, 377 

 Branchiate arches 322, 437 

 Branchiate slits 435 



"Cardiac groove" 76, 82 

 Chalazea 264 



Chorion 26, 228, 230, 410, 450 

 "Cock trace" (settlement) 374 



Degree of formation 352 

 Development of beak 516 

 Development of digestive system 67 - 87, 224, 255 - 258, 323, 



330, 332, 334, 393, 412 

 Development of extremities 57, 69, 224, 329, 390, 433 

 Development of muscles 332, 389 



Development of nervous system 317, 328, 331, 390, 413 

 Development of organs of excretion 57, 324, 333, 412 



667 



