INDEX 



727 



Process(es), diapophysis, 204, 206 

 mammillary, 20S 

 odontoid, 207 

 parapophysis, 206 

 spinous, 206, 207 

 styloid, 248 

 transverse, 206, 207 

 xiphoid (ensiform), 214, 215 

 zygapophysis, 204, 206 

 Process theory (Kupffer's), 555 

 Prochymosin, 311 

 Proctodeal ectoderm, 88 



perforation, 90 

 Proctodeum, 88, 90, 318 

 Profundus nerve, 482, 489 

 Progestin, 450, 451 

 Progynon, 451 

 Prolan a and b, 450 

 Proliferation, 86, 87 

 Pronation, 282 

 Pronator quadratus, 283 



teres m., 282 

 Pronephric chamber, 405 

 duct, 96, 411, 431, 432 

 tubule, 92, 96, 431 

 Pronephros, 96, 97, 98, 355, 403, 404, 442 



development of, 430-432 

 Pronucleus(ei), 59 

 Prootic, 228, 615, 626 



metameres, 626, 627 

 Propliopithecus, ^^y 665 

 Proprioceptors, 145 

 Propterygium, 241 

 Prosencephalon, 478 

 Prostate gland, 428 

 Prostatic concretions, 428, 429 



utriculus, 428 

 Prostomium, 633 

 Protection, 46 

 Protective, 6 



membranes, 39 

 shell, 52 

 Protein, 326 

 Proteose, 326 



Proterostomia, 10, 634, 637 

 Proterostomians, 2, 4, 300 

 Protochordate, 31, 409 

 Protocone, 187 

 Protoconid, 188 



Protonephridia, 9, 20, 400, 402, 631, 634 

 Protoplasm, xiii, 58, 60, 61, 65, 70 

 Protoplasmic activity, 58 

 bridges, 133 



Protopterus, 489 



Protostraca, 651 



Prototheria, 26 



Prototypes, 400 



Protozoa, 2, 3, 4, 9, 30, 630 



Pseudocoelom, 8, 9, 10, 14, 30, 350 



Pseudopodium(a), 3, 467 



Psittacus, 38 



Psoas, major, 277 



minor, 277 



muscle, 251 

 Pteraspis, 656 

 Pterichthys, 24 

 Pterygoid, 226, 228, 229 

 Ptyalin, 301 

 Ptychodera, 661 



Puberty, 341, 449, 451, 461, 462 

 Pubic symphysis, 250 

 Pubis, 240, 250 

 Pudendal artery, 393 



vein, 397 

 Pulmonary, 329 



arter>s 354, 356, 374, 374, 376, 384, 



389 



circulation, 389 



system, 337, 344 



vein, 354, 355, 356, 387 

 Pulmonate molluscs, 344 

 Pulp, 193, 194, 196, 197 



cavity, 199 



chamber, 194 

 Pulse, 392 

 Pupil, 584, 585 

 Purkinje cells, 511, 513 

 Putamen, 504 

 Pyloric glands, 310 



stomach, 309, 311 

 Pylorus, 309, 323 

 Pyramid (s), 513 

 Pyramidal cells, 146, 491, 518 

 Pyramidalis m., 278 

 Pyramids of the kidney, 416 



of the medulla, 504, 513 

 Python, 239, 241 



Q 



Quadrate, 229, 231, 232, 235, 246, 323 



lobe, 323 

 Quadratus femoris m., 283 



lumborum m., 277 



plantae m., 284 

 Quadriceps femoris m., 251, 283 



