468 



INDEX 



(Amphioxus, pages 1-61; frog, 62-228; 



rabbit, exocoelom,431, 432; formation 

 of embryo, 393 ff.; gestation, 369; 

 implantation, 421, 422; lutein, 

 378; morula, 382; notochordal 

 canal, 398; ovary, 371; ovulation, 

 379; ovum, 373; proamnion, 425, 

 426; trophoblast, 388, 388, 425; 

 trophoderm, 422, 425 ; villi, 425 ; 

 yolk-sac, 431, 431 



"Raderorgan," 35, 40, 42, 45, 46 



Radford, 191 



ramus, communicans, 135, 143, 143 : 

 312, 312, 313; - - lateralis, x 

 cranial nerve, 156 



rat, false amnion cavity, 389, 390; 

 gestation, 369; inversion of germ 

 layers, 389, 390; ovulation, 379; 

 trager, 389, 390 ; trophoblast, 389, 

 390 



Rauber's layer, 388, 388, 395 



recessus, mammillaris, 133 ; - 



olfactorius, 129; opticus, 130, 



133, 148: 262, 303, 304, 305, 306; 

 pulmo-entericus, 351 



rectum, 118, 167, 170: 297, 335, 336 



regulation, in ovum, 86 ff. 



Rejsek, 422 



reproductive, ducts, 202jf.: 360 jf.; 



system (organs), 55 ff., 57: 



71 ff., 72, 201 #., 203, 205: 234- 

 236, 235, 359 ff.: 371-372 



rete efferent! a, 363 



retinal, layer, 146, 146, 147, 148:317, 



317, 318 ;f zone, 319 



rhombencephalon, 129, 131, 132, 133 : 



262,271,276,303 

 ribs, 209 

 Riddle, 239 

 ridge, genital, 415 ; mandibular, 



158; neural, 16, 21, 22, 23: 



261, 266, 268, 269, 270, 278: 398; 



sex-cell (genital), 204, 204, 



205; sub-atrial, 48, 48 



rod, hypochordal (subnotochordal), 



169, 194, 204 

 Rodents, amnion, 424 ff.; decidua, 



442; implantation, 421; placenta- 



tion, 439, 440; uteri, 372 

 roots, of spinal nerves, 135, 142, 143 : 



311, 312 

 rotation, of gastrula, 98, 104, 105 ff., 



105 ; of ovum, 81, 83, 86, 89 



Riickert, 273 



Ruminants, amnion, 392, 424; pla- 



centation, 439, proamnion, 428 



Sac, albumen, 288, 289, 298 ff.; 



endolymphatic, 152: 323; - 

 lymphoid, 191; scrotal, 416, 



chick, 229-367; mammal, 368-454.) 



saccule, 150, 151:322,323 



sacrum, 221 



scapula, 221 



sclerotome, 48, 52, 52, 53: 172, 208: 



294, 353, 354 

 scrotal, sac, 416, 417; swellings, 



415, 416, 417 



Seessel's pouch, 304, 328, 329 

 segmental, duct, 193, ff., 194, 195, 



196, 198; plate, 123, 170 



segmentation, 265; cavity, 14, 



16: 93, 94, 96, 98, 102: 245, 245, 



247, 248 

 semicircular canals, 150, 151: 322, 



323 



semilunar valves, 339 

 seminal vesicles, 73 : 202 

 semiplacenta (semiplacentalia), 440 

 sense, capsules, 210 ff.; plate, 



123 

 septum (septa), 172; - - endo- 



cardial, 266 ; - interauricular, 



177 : 338, 339; : internasal, 210, 



211, 215; interventricular, 



338, 340; nasal, 413, 413 ; 



pericardio-peritoneal, 191- 



192; transversum, 191-192: 



351; yolk-sac, 287, 288, 289, 



290 



sero-amnionic fusion, 287, 288, 289, 

 294, 294: 427 



sex, cells, 204, 204 ; cords, 204, 



204, 205: 362, 362; distinc- 

 tion of, 206: 362: 416 



sheath, notochordal, 52: 208, 208; 

 neural, 52 



sheep, allantois, 436; blastodermic 

 vesicle, 384; gestation, 369; lutein, 

 378; notochordal canal, 398 



shell, 233, 234, 241; membrane, 



233, 234, 241 



shield, embryonic, 387, 388, 392, 393, 

 ff., 394 



Shore, 186 



shrew, trophoblast, 388 



sinu- auricular aperture, 337; 



e valves, 339 



sinus, cervical, 406, 407; Cuvieri 



see ductus; lymphoid, 190- 



191, 190 ; superior, 150; 



terminalis (marginal), 252, 252, 

 255, 290: 431, 432, 432, 449, 449; 



urinogenital, 414 jf., 415, 416; 



venosus, 177: 291, 304, 337, 



339, 351 



sitting height, human embryo, 411 

 size, of human embryo, 407, 411 

 skeletogenous layer, 52 



skeleton, 207 ff.: 354; appen- 



dicular, 221-222 



