662 



Double organisms, 45. 

 Downy hair, 524. 

 Ductus Botalli, 575, 587. 



- - cochlearis, bony, 503. 



cochlearis, membranous, 494, 497. 



Cuvieri, 567. 



endolymphaticus, 493. 



lingualis, 320. 



thyroideus, 320. 



tbyreoglossus, 318. 



venosus Arantii, 585. 



- vitello-intestinalis, 205. 

 Dumb-bell figure of egg, 52. . 

 Dural sheath 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, " 



abortive, 37. 



alecithal. 12. 



animal pole of, 11. 



centrolecithal. 12, 66. 



compound, 18. 



heterolecithal, 28. 



holoblastic, 57. 



homolecithal, 26. 



- merobUstic, 57. 06. 197. 



- of Amphibia, 14. 58. 

 of Ascaris, 41. 55. 



of Birds. 15, 62. 



of Echinoderms. 7, 38, 51. 



of Mammals, 12. 



of Man, 13. 



telolecithai, 12. 

 Egg-balls tee Egg-nests. 

 Egg-cell sec Egg. 

 Egg-envelopes, 9 see also Vitelline 



membrane and Fcetal mem- 

 branes. 



Egg-membranes see Vitelline mem- 

 brane and Fcet.il membranes. 



Egg-nests, 375, 376. 



Egg-nucleus, 32. 



Egg-sacs, 376. 



Egg-tubes. 376. 



Egg-yolk, 7. 



Embryonic area, 193. 



spot, 102. 

 Enamel-germ, 309. 

 Enamel-membrane. 306, 310. 

 Enamel-organ, 310. 

 Enamel-pulp, 310. 

 Endocardium. 544. 



Endochondral ossification, 59i, (Jit). 

 Endolymph of the ear, 492. 

 Enterocoel, 108. 

 Entoblast, 86, 108, 149 we ahuEnto- 



derm. 

 Entoderm. 86, 108, 149 -m; alsoEnto- 



blast. 



Epicondyles, 644. 

 Epidermis, 520. 



primitive (Ilornblatt), 520, 450, 



469. 



Epididymis, 388. 

 Epigenesis, 24. 

 Epiphysis cerebri see Pineal body. 



-of bone (epiphysial nuclei), 642. 

 Epistropheus (Axis), 603. 

 Epithelio-muscular cells, 346. 

 Epitrichium, 520. 



Eponychium, 527. 

 Epobphoron, 394. 

 Eruption of the teeth, 311. 

 I Ethmoid bone, 619. 



region of the skull, 608. 

 j Ethmoidal cells, 518. 



Eustachian tube. 611. 

 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. 

 j cerebri transversa, 445. 



choroidea (brain), 441, 443. 



choroidea (optic cup), 483 



Glaseri, 621. 



- hippocampi, 441, 443. 



parieto-occipitalis, 441. 



petrotympanica, 621, 626. 

 Fcetal membranes, deciduous, 235, 243. 



of Mammals, 221. 



