INDEX 



403 



Membrane, cloacal, 160, 205 



decidual, 230, 231 

 separation of, at birth, 241 

 tympanic, 117 



limiting, of retina, 382 



obturator, 316 



pericardial, 187 



pharyngeal, 159 



pleuro-pericardial, 182, 183 



pleuro-peritoneal, 182, 183 



pupillary, 381 



Reissner's, 389 



synovial, 291 



tympanic, 391 



urogenital, 160, 205 



vestibular, 389 



vitelline, 7 

 Membranous labyrinth, 45 

 Mendel's law of heredity, 21 

 Menstruation, 10, 230 



uterus during, 230 

 Mesamceboids, 243, 244 

 Mesencephalon, 80 



chick, 44, 48, 60 



human, 330, 327, 337 



pig, 92, 115 

 Mesenchyma, 3 



chick, 41, 53 



human, 284 

 Mesenteric arteries, 262, 267 

 inferior, 122 

 superior, 261 



veins, 270 



superior, 99, 100, 122, 125 

 Mesentery, 93, 96, 120, 133, 179, 180, 191, 192 



anomalies of, 194 



dorsal, 81, 192 

 Mesocardium, 180 



dorsal, 49, 249 

 Mesocolon, 180, 193, 194 

 Mesoderm, 3, 28 



amphibian, 30 



Amphioxus, 29 



birds, 31 



extra-embryonic, 34, 71 



intra-embryonic, 34 



mammal, 32 



origin of, 29 



primary, 28 



reptiles, 30 



somatic, 52, 53, 69 



splanchnic, S3, 69, 169, 366 



Tarsius, 34 

 Mesodermal segments, 2, 40, 51, 62, 64 



tissues, histogenesis of, 284 

 Mesoduodenum, 180, 193 

 Mesogastrium, 180 

 Mesonephric duct, 49, 52, 62, 97, 120, 199, 210 



fold, 197 



tubules, 197 

 and genital glands, union of, 218 

 Mesonephros, 52, 83, 90, 93, 97, 120, 143, 195, 197 

 Mesorchium, 210 

 Mesorectum, 180, 194 

 Mesothelium, 54, 284 



peritoneal, 170 

 Mesovarium, 210 

 Metameres, 2 

 Metamerism, 2 



Metanephros, 52, 97, 120, 143, 195, 199 



and umbilical arteries, section through, 136 



calyces of, 199 



collecting tubules, 199, 201 



cortex, 202 



pelvis, 199 



tubules, 199, 201 



ureter, 199 

 Metaphase of mitosis, 13 

 Metatarsus, ossification of, 316 

 Metathalamus, 330 



Metencephalon, 80, 92, 115, 327, 328, 336 

 Methods of study, 5 

 Mid-brain, 80, 327 



chick, 43, 44, 47 

 Mid-gut, 57, 159 

 Migration, cell, 3 

 Milk ducts, 298 



line, 114, 298 



teeth, periods of eruption, 157 

 Minot's ichthyoid blood cells, 244 

 Mitosis, 12 



phases of, 12-14 



significance of, 21 

 Mitotic figure, 13 

 Mitral valve, 259 

 Moderator muscles, 259 

 Modiolus, 389 

 Molecular layer, 337 

 Monaster, 13 



Mononuclear leucocytes, large, 246 

 Monophyletic theory of origin of blood elements, 



243 

 Monro's foramen, 343 

 Mons pubis, 233 



Montgom.ery's rudimentary mammary glands, 298 

 Morula, 24 



Motor nerves, somatic, 360 

 Mouse ovum, fertilization of, 19 



maturation of, 18 

 Mouth, pig, 6 mm., 93 

 MuUer's fibers, 382 



tubercle, 221 

 Miillerian ducts, 210 

 Multiplication, cell, 3 

 Muscles, 316 



anomalies of, 320 



cardiac, 291, 293 



ciliary, 383 



columns, 293 



dilator, of iris, 383 



histogenesis of, 291 



intervertebral, 317 



moderator, 259 



of back, 317 



of expression, 320 



of extremities, 318 



of head, 319 



of larynx, 320 



of malleus, 390 



of mastication, 319 



of neck, 317 



of pharynx, 320 



of tongue, 320 



of trunk, 317 



papillary, 259 



plate, 60, 62 



skeletal, 291, 292 



smooth, 291 



