INDEX 



Abdominal cavity, 308, 347 



regions, defects of, 618 

 Abducens, VI, nerve, 432, 434 

 Aberrant ductule, 387 

 Abrachius, 619 

 Acardia, 254, 603 

 Acardiaci, acephali, 604 



acormi, 604 



amorphi, 604 



completi, 604 

 Acardiacus, 603 

 Accessory chromosomes, 22, 23 

 Acini, the, 413 

 Acoustic area (see also Auditory area), 528 



ganglion, 558 



VIII, nerve, 432, 435, 469, 470, 473, 

 488, 558 



nerve, ganglion cells of, 559 



radiation, 440, 441 

 Acrania, 612, 613, 615 



with exencephaly, 613 

 Acrocephaly, 180 

 Acromion process, 167 

 Acrosome, 6 



Acustico-facialis ganglion, 558 

 Acustico-lateral system, 



influence on nervous system, 416, 429, 436 

 Adami, concerning hermaphroditism, 405 

 Adenoid tissue, 300 

 Adipose tissue, 135 

 Aditus laryngis, 330, 331 



Afferent peripheral neurones, 417, 427, 459 to 

 472 



peripheral nerve fibers, 42 1 



root fibers, 421 

 After-birth, 598 



After-brain (myelencephalon), 425 

 Age, copulation, 123 



fertilization, 123 



menstrual, 123 



Age, length and weight of body, 122 

 Agnathus, 325, 617 



Ahlfeld's fission theory of symmetrical du- 

 plicity, 607 

 Air sacs, 335 



Ala cinerea, 497 



magria, 159 



parva, 159 

 Alar plate, 447, 460, 482, 485, 489, 493, 497, 



498 



Albinism, 415 

 Albrecht, concerning formation of incisive 



bone, 164 

 Alimentary tube, 285 



intestinal region of, 286 



cesophageal region of, 286 



origin of, 285, 286 



pharyngeal region of, 286 



stomach region of, 286 



yolk stalk of, 286 

 Alimentary tube and appended organs, 285 



anomalies of, 323 



histogenesis of gastrointestinal tract, 310 

 of liver, 318 

 of pancreas, 322 



intestine, 306 



liver, 314 



mouth, 286 



cesophagus,304 



pancreas, 319 



pharynx, 298 



salivary glands, 296 



stomach, 304 



teeth, 291 



tongue, 289 

 Alisphenoid bone, 159 

 Allanto-chorion, 570 

 Allantoic blood-vessels, in Mammals, 572 



duct, 306, 582 



sac, 572 

 Allan tois, the, 570 



blood-vessels of, in chick, 571 

 in Mammals, 577 

 in man, 583 



functions of, in chick, 570 

 in man, 582 



in Mammals, 575 



in man, 582 



relation of, to chorion, 570 

 Allen, concerning sex cells, 374 



627 



