INDEX. 



641 



Arteries, saphenous, 252 

 sciatic, 252 

 spermatic, 249 

 splenic, 249 

 subclavian, 245 

 testicular, 250 

 tibial, 252, 253 

 ulnar, 251 

 umbilical, 107, 243 

 vertebral, 246 

 vesical, 2 50 

 volar interosseous, 251 

 vitelline, 105, 107, 239 

 Articular cavity, 210 

 Ary epiglottic ridges, 363 

 Arytenoid ridge, 363 



Ascaris megalocephala, for study of matu- 

 ration, 33 

 Assheton, concerning origin of parasitic 



duplicity, 615 

 Aster, 2, 3, 7 

 Astomus, 621 

 Astragalus, the, 208 

 Asymmetrical duplicity, 612 

 origin of, 614 



parasitic structures in the sexual 

 glands, 613 

 Atlas, the, 188 

 Atresia of the anus, 358 



oris, 621 

 Atria of lungs, 367 

 Atrial septum, 228 

 Atrio- ventricular canal, 228 

 Atrium of inner ear, 593 

 Attraction cone, 38 

 sphere, *, 3, 4 

 Auditory area of pallium, 477, 564, 565 

 meatus, external, origin of, 147, 151, 



601 

 nerve, see Acoustic VIII 

 ossicles derivation of, 201, 599 

 pit, 592 

 placode, 592 

 vesicle, 592 

 Auerbach, plexus of, 498 

 Aula, 549 

 Auricle, 600 



Autonomic system (sympathetic), 465 

 Autosite, 610 

 Axial filament, 14 

 skeleton, 182 



anomalies of, 213 



head, 190 



notochord, 182 



practical suggestions for further 



study of, 218 

 primitive, 182 

 ribs, 188 

 sternum, 189 

 vertebras, 183 

 thread, 14 

 Axis (epistropheus), 188 

 Axone, the, 485, 492 



Balfour, concerning peripheral nerves, 500 

 Bardeen, concerning peripheral nerves, 500 

 Bartholin's glands, 406 



Basal plate, 129, 484, 509, 514, 519, 521, 



Basilar artery, 246 



Basioccipital bone, 194 



Basisphenoid bone, 195 



Baskets, 536 



Basket cells, 536 



Belly stalk, 96, 118, 140 ' 



Beard, concerning sex cells, 407 



Bechterew, v., central tegmental tract of, 



526 

 Bertini, columns of, 400 

 Bicornuate uterus, 437 

 Bielschowsky, method of staining, 570 

 Bilateral hermaphroditism, 438 

 Bile capillary, 3 50 

 Biophores, 29 - 

 Bipartite uterus, 437 

 Birds, cleavage in, 46 



gastrulation in, 61 

 Bischoff, concerning origin of parasitic 



duplicity, 615 

 Bladder, (see also Urinary Bladder), 403 



anomalies of, 43 5 



practical suggestions for study of, 440 

 Birds, mesoderm formation in, 78 

 Blastodermic vesicle, 138 

 Blastema, metanephric, 395 

 Blastemal stage, 184 

 Blastoderm, 50, 61, 63, 137 



method for study of, 97 

 Blastomeres, 42 

 Blastopore, 55 



Blastopore (crescentic groove), 63 

 Blastula, 50, 137 

 Blood, cells of, 270 



practical suggestions for study of, 289 



relation of maternal and fcetal blood 

 in Mammals, 113 

 in man, 119, 131 

 Blood cells, development of, 270 



erythroblasts, primitive, 271, 272 



erythrocytes, 272, 274 



erythrocytes, primitive, 273 



histogenesis of, 270 



leucocytes, 274, .275 



lymphocytes, 271, 272, 273, 274,275 



megaloblasts, 272, 273, 274 



mononuclear leucocytes, 275 



normoblasts, 272, 273, 274 



polymorphonuclear leucocytes, 275 



polynuclear leucocytes, 275 



primitive, 271, 273 



relation to thymus, 275 

 Blood islands, 237, 271 

 Blood plates, 275, 276 

 Blood vessels', allantoic, function ot, 10S 



arteries, 243 



growth of, 237 



Vl f 1 rk T"i" 2 2 2 



Knower's method of injecting with 



India ink, 291 

 origin of, 235, 237 

 placental, 131, 243 



practical suggestions for study of, 289 

 segmental cervical, 246 

 sinusoids, 259, 263 

 veins, 253 



