660 



INDEX. 



Mid-brain vesicle, 430. 

 Middle ear, 508. 



plate, 35(5. 

 Middle germ-layer, 106, 113. 



- of Amphibia, 117. 



- of Amphioxus, 110. 



- of Birds, 120. 



of Chretognatha, 108. 



- of Mammals, 110, 129. 



- organs of, 341. 

 Milk-glands, 528. 

 Milk-teeth, dentition, 309, 312. 

 Modiolus, 502. 



Morgagni's hydatid, 395. 



Morula, 56, 68. 



Mouth, development of the permanent, 



283. 



Mulberry-sphere, 56, 68. 

 MUllerian duct, 369, 386, 395. 

 Multiple organisms, 45. 

 Muscle-layers of Amphioxus and Cy- 



clostomes, 343. 

 Muscle-plate, 174, 348. 

 Musculature of the extremities, 350. 



- of the head, 352. 



- voluntary, 342, 346. 

 Musculus cremaster, 392. 



- obliquus abdom. int., 392. 

 Muskelkastchen, 344, 347. 

 Myocoele, 349. 



Myomeres, 343, 350. 598. 

 Myomerism, 632. 

 Myotome, 362. 



N. 



Nail-plate, 527. 

 Nails, 526. 

 Nasal area, 511. 



- bone, 619. 



- furrow, 513. 



- orifice, inner, 514. 

 orifice, outer, 514. 



- processes, 488, 513. 

 Naso-palatal (Stenson's) duct, 517. 

 Naso-pharyngeal passage, 517. 

 Neck-measurement, 283. 

 Nephridial funnel, 356, 364. 

 Nephrostome, 364. 

 Nephrotome, 362. 



Nerves, 452. 



Nervous system, 416, 449. 



Nervus acusticus, 506. 



- cochleae, 502. 



- hypoglossus, 457. 



- laryngeus inf. (recurrens), 575. 

 lateralis vagi, 456. 



- phrenicus, 569. 



- vagus, 299. 

 - vestibuli, 502. 



Neural crest, 450. 

 plate, 416. 



- ridge, 450. 



- tube, 110, 417. 

 Nictitating membrane, 487. 

 Nipple, 530. 



Nose, 518. 



Notochord see Chorda dorsalis. 



Nuchal flexure, 423. 



- protuberance, 424. 

 Nuclear liquid, 8. 



- loops, fission of, 53, 55. 



- network, 9. 



- plate, 53. 



- spindle, 52. 

 Nuclein, 9, 26, 52. 

 Nucleoli, 9. 

 Nucleus caudatus, 442. 



lentiformis, 442. 

 Nutritive yolk see Yolk. 



0. 



Occipital bone, 617. 



- lobes, 443. 



- region, 608. 

 Odontoblasts, 306. 

 (Esophagus, 297, 299, 320. 

 Olfactory buds, 513. 



- labyrinth, 518. 



- lobes, 448, 511. 



- nerve, 448, 511. 



- organ, 511. 



- pit, 511. 



Omentum, greater, 299, 303. 



- lesser, 300, 330. 

 Ooscope, 212. 

 Optic cup, 469, 476. 



- nerve, 484. 



- vesicle, 423, 467. 



- vesicle, stalk- of, 468. 

 Orbital region, 608. 



Os acetabuli, 640. 



- angulare, 622, 625. 



- articulare. 625. 



- coccygis, 600. 



- coracoideum. 638. 



- dentale, 625. 



- entoglossum, 610. 



- cthmoidale, 621. 

 frontale, 621. 



- hyoides, 613, 622. 



- intermaxillare, 622. 



- interparietale, 619. 

 ischii, 639. 

 lacrymale, 621. 

 lentiforme, 614. 



- maxillare, 516. 

 parietale, 621. 



