656 



INDEX. 



Mallory and Wright's pathological tech- 



_nic, 571 

 Malpighian corpuscle, 390 



pyramids, 400 



Mammalian embryos, technic for, 630 

 Mammary gland, the, 449 



anomalies of, 452 



areolar glands of, 450 



colostrum corpuscles, 451 



growth of, in female, 450 



growth of, in male, 4 50 



nipple, 450 



of pregnancy, 450 



practical suggestion for study of, 453 

 Mammillary bodies, 540 



region, 485, 540 

 Mandible, 200 



Mandibular process, 144, 151, 319 

 Mantle fibres, 6 



layer of neural tube, 492, 509, 521, 



. 534, 537, 549, 561 

 Manubrium sterni, 190 

 Marchand's fusion theory of symmetrical 



duplicity, 611 



scheme of duplicate monsters, 605 

 Marginal furrow of His, 516 

 Marginal layer of neural tube, 486, 521, 



534, 537, 549 

 Marrow, 181 



cavity, primary, 177 



formation of blood cells in, 273, 274, 275 



red, 182 



spaces, primary, 175 



yellow, 182 

 Marsupials, early nutritional conditions in, 



112 



Masculine false hermaphroditism, 438 

 Massa intermedia, 542 

 Mastoid process, 195 

 Maternal impressions, 624 

 Maturation, 17 



in Ascaris, 17 



of male sex cells, 2 1 



of the ovum, 17 



practical suggestions for study of, 33, 



34 



Maxilla bone, 198 



Maxillary process, 144, 151, 319 



McClung, concerning determination of sex, 

 4i6, 439 



McClure and Huntington, concerning con- 

 nection of lymph vessels with 

 veins, 278 

 concerning supracardinal vein, 261 



McMurrich, concerning arteries, 252, 253 

 concerning derivation of the dermis, 



445. 



concerning umbilical cord, 133 

 Mechanical theory of monsters, 625 

 Meckel's cartilage, 193, 198, 200 



diverticulum, 117, 340 

 Medial fillet, see Fillet, medial, 



geniculate bodies, see Geniculate 



bodies 



lemniscus, see Fillet, medial 

 longitudinal fasciculus, 473, 511, 518, 

 523. 524 



Medial nasal process, 1 52 

 Mediastinum testis, 415 

 Medulla oblongata, 484, 519 



taenia of, 520 

 Medullary cords, 409, 410 



folds, in chick blastoderm, 67 



groove, 71 



layer of telencephalon, 549, 561 



sheath, see Myelin sheath 

 Megakaryocytes, 275, 276 

 Megaloblasts, 272, 273, 274 

 Meibomian glands, 588 

 Meissner, plexus of, 498 



tactile corpuscles of, 445 

 Membrana preformativa, 326 



tectoria, 598 



undulatoria, i 5 



Membrane bones of the skull, 196 

 Meningocele, 617 

 Meningoencephalocele, 617 

 Menstruation, 30 



relation to fertilization, 3 1 



relation to ovulation, 30 

 Merkel, concerning the origin of connect- 

 ive tissue fibers, 170 

 Merocytes, 63 

 Merorachischisis, 618 



Mesencephalon (mid-brain), 88, 461, 482 

 Mesenchymal tissue, 169 



differentiation of, 304 

 Mesenteries, 372, 379, 382 



anomalies of, 384 



practical suggestions for study of, 385 

 Mesenterial small intestine, 339 

 Mesentery of the jejunum, 382 

 Mesoappendix, 383 

 Mesocardium, dorsal, 223, 374 



ventral, 223, 374 

 Mesocolon, ascending, 383 



descending, 383 



sigmoid, 383 



transverse, 382 

 Mesoderm, derivatives from, 165 



development of, 138 



extraembryonic, 92 

 orgin of, 94 



formation in Amphibians, 76 

 in Amphioxus, 72 

 in Birds, 79 

 in the frog, 77 

 in Mammals, 85 

 in man, 90, 92, 95, 96 

 in Reptiles, 78 



gastral, 77 



intraembryonic, 92 

 origin of, 95 



layers of, in von Spec's embryo, 92 



parietal, 75, 138, 372 



peripheral, 87 

 origin of, 95 



peristomal, 58, 77 



splanchnic, 106, 343 



visceral, 75, 87, 138, 372 

 Mesodermic evagination, 77 



somites, 72, 143, 293, 300 

 Mesoduodenum, 382 

 Mesogastrium, dorsal, 336, 379 



ventral, 337, 379 



