Morphological element 387 

 Morphological isolation 344, 387 

 Morphological section 338 

 Mucous plate 246, 252, 265, 310 



Nature philosophy 141 - 204, 279 

 Nutrition of the embryo 160 - 172 



Ova of mammals 129, 285, 299 

 Ovists 39 



Paedogenesis 472 - 480 



Placenta 411, 585 



Plastic part of the embryo 315 



Polar ring 522 



Posterior inlet in the intestinal canal 325 



Potency to become hard of Wolff 51, 55 



"Preestablished harmony" 64 



"Primary folds" of Pander 251, 253, 272, 311 



Primary isolation 343, 348 



Primary stripe 311 



Pseudova 474 



Rudiment (Keim) 310, 315, 374, 393 



Serous plate 250, 265, 310 



Serous sac (serosa) 379 



"Soul" of Stahl 65, 116 



Spinal cord (chorda) 311 



Splitting of frogs ova 420 



Splitting of leeches 522 



Splitting of molluscs ova 533, 534, 546 - 560 



Splitting of sea-urchins 468 - 471 



Spontaneous conception 177 



"Stairs of substances" of Bonne 39, 135 



"Stairs of substances" of Radishchev 136 



Symmetrical development 357, 360 



Tail end 253 



Theory of types 351, 361, 483 



Transparent zone 310 



Type 351, 352 



669 



