INDEX. 



663 



Periotic capsule, 193 



Peripheral nervous, system, see Nervous 



system, peripheral 

 Peristomal mesoderm, 58, 77 

 Peritoneum, 384 

 Peritonsillar fissure, 533 

 Perivitelline space, 1 1 

 Permanent teeth, 328 

 Peromelus, 623 

 Peropus, 623 



Persistence of the cloaca, 358 

 Pes pedunculi, 473, 478, 530, 531, 565 

 Peter, concerning nasal sac, 589, 590 



concerning origin of endolymphatic 



appendage in Amphibia, 593 

 Peters' ovum, 90, 115, 139, 241 

 Peyer's patches, 345 

 Pfliiger's egg cords, 411 

 Pha3ochrome cells, 430 



granules, 430 . 

 Phseochromoblasts, 431 

 Phalanges, 205 

 Pharyngeal membrane, 319, 331 



region, 318 



tonsils, 331 



Pharyngopalatine arch, 331 

 Pharynx, the, 330 



anomalies of, 357 



development of, 330 



glossopalatine arch, 331 



pharyngopalatine arch, 331 



pillars of the fauces, 331 



practical suggestions for study of, 



3 59 



Physico-chemical theory of monsters, 625 

 Picric acid and acid fuchsin, 636 

 Picro-acid fuchsin, 636 

 Piersol, classification of malformations of 



the extremities, 622 

 Pig embryos, technic for, 630 

 Pigment, 445 



of neurones, 485, 496 

 Pillars of the fauces, 331 

 Pineal body, 461, 474, 540 



stalk, 540 

 Pisiform, 205 



Pituitary body, irregular tumors of, 612 

 Placenta, 114 



anomalies of, 134 



annular, 134 



attachment of, to ovum and to uter- 

 ine wall, 132 



blood vessels of, 131, 243 



bipartita, 134 



chorion frondosum, 122, 124 



decidua basalis, 122, 124 



discoidal, 114 



duplex, 135 



expulsion of, 134 



foetalis, 114 



functions of, 128 



maternal, 1 14 



membranacea, 134 



practical suggestions for study of, 135 



praevia, 132 



relations of, to uterine mucosa, 114, 

 124 



Placenta, size of, 132 



spuria, 135 



succenturiata, 135 



uterina, 114 



zonular, 114 

 Placentae, multiple, 114 

 Placental septa, 127 

 Placentalia, 114 

 Placodes, 459, 502, 512 



auditory, 592 



epibranchial, 459 



olfactory, 589 



suprabranchial, 459 

 Plagiocephaly, 216 

 Plasmodi-trophoderm, 121, 125 

 Plasmosomes, 2 

 Plastic reconstruction, 638 

 Plastids, 2 

 Plexus, Auerbach's, 498 



chorioideus, see Chorioid plexus 



Meissner's, 498 

 Pleura, the, 368, 379 

 Pleural cavities, 375 

 Pleuroperitoneal membranes, 377 

 Pleuroperitoneum, 372 

 Plica arcuata, 555 



chorioidea (fold), 554 



encephali ventralis, 460 



rhombo-mesencephalica, 482 



semilunaris, 589 

 Plicae palmatae, 419 

 Polar bodies, 17, 18, 20 



differentiation, 12 



relation to production of [monsters, 



615 



rays, 6 



Polydactyly, 217, 623 

 Polymorphonuclear leucocytes, 274 

 Polynuclear leucocytes, 274 

 Polysomatous monsters, 625 

 Polyspermy, 39 

 Pons varolii, 482, 530 

 Pontile nuclei, 473, 526, 530, 537 

 Pontine flexure, 484 

 Porencephaly, 617 

 Portio major, 508 



Postbranchial branches of nerves, 471 

 Posterior arcuate fissure, 555 



colliculi, see Posterior corpora quadri- 

 gemina 



corpora quadrigemina, 474, 524, 537 



horn (dorsal gray column), 515 



longitudinal fasciculus, see Fasciculus, 

 medial longitudinal 



nares, 321 



Prebranchial branches of nerves, 471 

 Precervical sinus, 147, 151 

 Preformation theory, XIII 

 Preformationists, XIII 

 Pregnancy, abdominal, 31 



mammary gland, during, 450 



proof of, 128 



tubal, 31 



Premolar teeth, 328 

 Premuscle tissue, 296 

 Premuscle sheath, 305 

 Preoptic recess, 538 



