INDEX 



397 



Ovary, 221 



compared with testis, 225 

 descent of, 230 

 Ovulation, 20, 239 

 Ovum, human, 1 7 

 implantation of, 239 

 maturation of, 28 

 structure of, amphibian, 17 

 bird, 17 

 frog, 35 

 monkey, 21 

 rabbit, 36 



PALATE, cleft, 158 



hard, 155, 157 



premaxillary, 371 

 Pallium of cerebrum, 327 

 Pancreas, human, 186 



accessory duct of, 187 

 islands of, 188 



pig, 104, 117, 127, 142 

 Papillae of tongue, 160 



renal, 209 



vallate, 161 

 Paradidymis, 226, 237 

 Parathyreoid gland, 90, 172 

 Parolfactory area, 344 

 Paroophoron, 237 

 Pars optica hypothalamica, 337 

 Penis, 152, 237 

 Perforated space, 344 

 Perforatorium, 21 

 Pericardial cavity, chick, 50 



human, 188, 190 

 Perichondrium, 294 

 Periosteum, 297 

 Peritoneum, 141, 291 

 Phallus, 152, 232, 237 

 Pharyngeal membrane, 53, 89 



pouches, 90, 103, 125, 134, 169 

 Pharynx, human, 89, 169 



pig, 124 

 Pia mater, 133 



Pig embryos, 41, 97, 120, 146, 148, 151 

 dissection of, 145 

 sections of 6 mm., in 



10 mm., 132 



Pigment layer of retina, 379 

 Pillars of Corti, 384 

 Pineal gland, 328 

 Pituitary body, 337 

 Placenta, human, 82, 245 

 cotyledons of, 249 

 intervillous spaces of, 249 



Placenta, human, position of, 250 

 relation of fetus to, 249 

 vessels of, 249 



Pig, 78 

 Placodes, auditory, 55, 382 



olfactory, 369 



optic, 55, 374 

 Plate, alar, 321, 330 



basal, 321, 330 



closing, 169 



cutis, 119 



floor, 321, 330 



muscle, 119 



neural, 309 



notochordal, 40 



roof, 321, 330 



urethral, 232 

 Pleura, 177 

 Pleural cavity, 177 

 Pleuro-pericardial cavity, 50, 190 

 Pleuro-peritoneal cavity, 50, 188, 190 

 Plexus, brachial, 353 



cardiac, 365 



chorioid, 150, 332, 336, 340 



coeliac, 365 



lumbo-sacral, 354 

 Plica venae cavae, 142, 201, 282 

 Polar bodies, 28 

 Polocytes, 28 

 Polydactylism, 84 

 Polyspermy, 30 

 Pons, 147, 329 

 Pontine flexure, 147, 326 

 Preformation theory, n 

 Pregnancy, abdominal, 30 



tubular, 30 

 Premyelocytes, 252 

 Prepuce of clitoris, 233 



of penis, 234 



Primary excretory ducts, 62, 204 

 Primates, 77 

 Primitive choanse, 371 



groove, 41, 61 



knot, 44, 6 1 



node, 44, 61 



streak, 40, 61 

 Proamniotic area, 44, 48 

 Process, lateral nasal, 153, 370 

 mandibular, 87, 89, 98, 370 

 maxillary, 87, 89, 97, 370 

 median frontal, 370 



nasal, 153,37 

 palatine, 155, 373 

 Pronephros, 203 

 Pronuclei, union of, 30 



