662 



Double organisms, 45. 

 Downy hair, 524. 

 Ductus Botalli, 575, 587. 



— - cochlearis, bony, 503. 



— cochlearis, membranous, 494, 497. 



— Cuvieri, 567. 



— endolymphatictis, 493. 



— lingualis, 320. 



— thyroidevis, 320. 



— thyreoglossns, 318. 



— venosus Arantii, 585. 



— Titello-intestinalis, 205. 

 Dumb-bell figure of egg, 52. 



Dural sheatb of the optic nerve, 486. 



E. 



Ear, inner, 491. 



— middle, 508. 



— outer, 509. 

 Ear-capsule — see Auditory. 

 Ear-wax glands, 528. 

 Ectoblast, 86. 

 Ectoderm, 86. , 



Egg, 7. 



— abortive, 37. 



— alecithal, 12. 



— animal pole of, 11. 



— centrolecithal, 12, 66. 



— compound, 18. 



— heterolecithal, 28. 



— holoblastic, 57. 



— homolecithal, 28. 



— meroblastic, 57, 66, 197. 



— of Amphibia, 14, 58. 



— of Ascaris, 41, 55. 



— of Birds, 15, 62. 



— of Bchinoderms, 7, 38, 51. 



— of Mammals, 12. 



— of Man, 13. 



— teloleoithal, 12. 

 Egg-balls — see Egg-nests. 

 Egg-cell— see Egg. 

 Egg-envelopes, 9 — see also Vitelline 



membrane and Foetal mem- 

 branes. 



Egg-menibranes — see Vitelline mem- 

 brane and Foetal membranes. 



Egg-nests, 375, 376. 



Egg-nucleus, 32. 



Egg-sacs, 376. 



Egg-tubes, 376. 



Egg-yolk, 7. 



Embryonic area, 198. 



— spot, 102. 

 Enamel-germ, 309. 

 Enamel-membrane, 306, 310. 

 Enamel-organ, 310. 

 Enamel-pulp, 310. 

 Endocardium, 544. 



Endochondral ossification, 599, faio. 



Endolymph of the ear, 492. 



Enterocoel, 108. 



Entoblast, 86, 108, 149— see also Ento- 

 derm. 



Entoderm, 86, 108, 149 — see aiZw Ento- 

 blast. 



Epicondyles, 644. 



Epidermis, 520. 



— primitive (JBomhlatt), 520, 450, 



469. 

 Epididymis, 388. 

 Epigenesis, 24. 

 Epiphysis cerebri — see Pineal body. 



— of bone (epiphysial nuclei), 642. 

 Epistropheus (Axis), 603. 

 Bpithelio-musoular cells, 346. 

 Bpitrichium, 520. 

 Eponychium, 527. 



Epobphoron, 394. 

 Eruption of the teeth, 311. 

 Ethmoid bone, 619. 



— region of the skull, 608. 

 Ethmoidal cells, 518. 

 Eustachian tube, 511. 

 Extremities, muscles of, 636. 



— nerves of, 637. 



— skeleton of, 635, 640. 

 Evolution, theory of , 23 . 

 Eye, 467. 



— chambers of, 477. 

 Eyelid, 486. 

 Eye-membranes, 476. 

 Eye-muscles, 352. 



F. 



Fallopian tube. 395. 



Falx cerebri, 422, 439. 



Fat glands, 528. 



Femur, 644. 



Fenestra ovalis of temporal bone, 613. 



Fertilisation, history of, 45. 



— process of, 37, 41. 



— theory of, 44. 



Fibrin, canalised, of the placenta, 261. 



268. 

 Fibula, 644. 

 Filium terminale, 420. 

 Fimbria, 445. 

 Fissura calcarina, 441, 445. 



— cerebri transversa, 445. 



— choroidea (brain), 441, 443. 

 — ■ choroidea (optic cup), 483. 

 ~ Glaseri, 621. 



— hippocampi, 441, 443. ^ 



— parieto-ocoipitalis, 441. 



— petrotympanioa, 621, 626. 

 Foetal membranes, deciduous, 235, 243. 



— of Mamra.ils, 221. 



