INDEX 



645 



Perivitelline space, n 



Permanent teeth, 327 



Peromelus, 611 



Peropus, 611 



Persistence of the cloaca, 357 



Pes pedunculi, 466, 471, 523, 524, 558 



Peter, concerning nasal sac, 579, 580 



concerning origin of endolymphatic appen- 

 dage in Amphibia, 583 

 Peters' ovum, 86, in, 135 

 Peyer's patches, 344 

 Pfluger's egg cords, 408 

 Phaeochrome cells, 426 



granules, 426 

 Phaeochromoblasts, 427 

 Phalanges, 201 

 Pharyngeal membrane, 318, 330 



region, 317 



tonsils, 330 



Pharyngopalatine arch, 330 

 Pharynx, the, 329 



anomalies of, 356 



development of, 329 



glossopalatine arch, 330 



pharyngopalatine arch, 330 



pillars of the fauces, 330 

 Physico-chemical theory of monsters, 613 

 Piersol, classification of malformations of the 



extremities, 610 

 Pigment, 438 



of neurones, 478, 489 

 Pillars of the fauces, 330 

 Pineal body, 454, 467, 533 



stalk, 533 

 Pisiform, 201 



Pituitary body, irregular tumors of, 600 

 Placenta, no 



anomalies of, 130 



annular, 130 



attachment of, to ovum and to uterine 

 wall, 128 



bipartita, 130 



blood vessels of, 127 



chorion frondosum, 118, 120 



decidua basalis, 118, 120 



discoidal, no 



duplex, 131 



expulsion of, 130 



fcetalis, no 



functions of, 124 



maternal, no 



membranacea, 130 



praevia, 128 



Placenta, relations of, to uterine mucosa, 1 10, 1 20 



size of, 128 



spuria, 131 



succenturiata, 131 



uterina, no 



zonular, no 

 Placenta?, multiple, no 

 Placental septa, 123 

 Placentalia, no 

 Placodes, 452, 495, 505 



auditory, 582 



epibranchial, 452 



olfactory, 579 



suprabranchial, 452 

 Plagiocephaly, 212 

 Plasmodi-trophoderm, 117, 121, 122 

 Plasmosomes, 2 

 Plastids, 2 

 Pleura, the, 366, 377 

 Pleural cavities, 373 

 Pleuroperitoneal membranes, 375 

 Pleuroperitoneum, 370 

 Plexus, Auerbach's, 491 



chorioideus, see Chorioid plexus 



Meissner's, 491 



vitelline, 217 

 Plica arcuata, 548 



chorioidea (fold), 547 



encephali ventralis, 453 



rhombo-mesencephalica, 475 



semilunaris, 579 

 Plicae palmatae, 415 

 Polar bodies, 21, 22, 25 



differentiation, 12 



relation to production of monsters, 603 



rays, 6 



Polydactyly, 213, 6n 

 Polykaryocytes, 177, 273 

 Polylecithal ova, 12 

 Polysomatous monsters, 613 

 Polyspermy, 36 

 Pons varolii, 475, 523 

 Pontile nuclei, 466, 519, 523, 530 

 Pontine flexure, 477 

 Porencephaly, 605 

 Portio major, 501 



Postbranchial branches of nerves, 464 

 Posterior arcuate fissure, 548 



colliculi, see Posterior corpora quadrigemina 



corpora quadrigemina, 467, 517, 530 

 horn (dorsal gray column), 508 

 longitudinal fasciculus, see Fasciculus, 

 medial longitudinal 



