INDEX 



627 



Ear, inner, spiral lamina, 587 



utricle, 586 



vestibular membrane (of Reissner), 587 



pouch, 583 

 Ear, middle, 589 



Eustachian tube, 590 



incus, 589 



malleus, 589 



mastoid cells, 590 



stapes, 589 

 Ear, outer, 590 



anthelix, 591 



antitragus, 591 



auricle, 591 



external auditory meatus, 590 



helix, 591 



lobule, 591 



tragus, 591 



tubercles of, 591 



tympanum, 591 

 Ectoderm (epiblast), 51, 133 



formation of, 51 



in Amphibians, 54 



in Amphioxus, 51, 52 



in Birds, 60, 62 



in frog, 56 



in Mammals, 64 



in Triton, 53, 54 



in Reptiles, 58 

 Ectopia cordis, 211, 286, 382, 610 



vesicae, 610 



viscerum, 610 



of the kidneys, 429 

 Ectopic gestation, 30 

 Ectoplasm, 170 



Edinger, concerning the oral sense, 468 

 Effectors, 448, 451, 457 

 Efferent ductules, 416 



peripheral nerve fibers, 452 



peripheral neurones, 447, 457, 486 to 489 



root fibers, 486 

 Egg (see also ovum), 10 



cleavage in hen's, 45 



diagram of hen's, 13 



nests, 408 



cords, Pfiuger's, 408 

 protoplasm, n 

 Eggs, centrolecithal, 44 



meiolecithal, 12 



mesolecithal, 12 



polylecithal, 12 



tetolecithal, 12 

 Eigenmann, concerning sex cells, 404 



Ejaculatory duct, 416 



Embryonal bud (inner cell-mass), 64 



Embryonic ccelom, 370 



connective tissue, 167 



disk (see also Germ disk), 134, 135 

 Embryos, abnormal, 154 



age and length of, 151 



conclusions of His, concerning age of, 151 



gross anomalies of, 155 



Mall's formula? for deducing age of, 153 



normal, 154 



pathological, 154 



relation of age to length, 153 



transparency of, 155 

 Enamel organ, 323 



prisms, 324 



pulp, 324 



Encephalocele, 605 

 Encranius, 600 



End-brain (telencephalon), 455, 467, 538 to 561 

 End disk, 14 



kmob, anterior, 14, 20 



posterior, 14, 20 



ring, 14 



Endocardium, origin of, 227 

 Endolymphatic duct, 583 



sac, 583 



Endomysium, 311 

 Endothelium, 217, 268 

 Engastric (intraabdominal) parasites, 601 

 Entoderm (hypoblast), 51 



formation of, 51 



of Amphibians, 54, 56 



of Amphioxus, 51 



of Birds, 58, 59, 60 



of Mammals, 64 



of man, 87, 90 



of Reptiles, 58, 59, 60 



primitive, 133 



yolk, 54 



Entodermal tube, 316 

 Entrance plug, 116 

 Enveloping layer, see Covering layer (tropho- 



derm), 133 



Eparterial bronchial ramus, 365, 368 

 Ependyma cells, 481 

 Epiblast (see also Ectoderm), 51 

 Epicanthus, 608 



Epichordal brain, lateral series of nuclei of, 

 487, 488 



medial series of nuclei of, 487, 488 

 Epichordal segmental brain and nerves, 457, 

 459 



