INDEX. 



469 



Iris, nerve-centres presiding over 



the movements of, 101 



consensual contraction of,. . 102 



changes in, in accommoda- 

 tion, 108 



development of, 402 



Irradiation, 128 



Ivory, development of, 417 



Jacob's membrane, 56 



Jugular veins, development of, ... 435 



Kidneys, development of, 424 



relative size of, in the foetus, 424 



Krause, terminal bulbs of, 142 



Labia, development of, 427 



Labyrinth, general arrangement of, 163 



membranous, 213 



ligaments of, 214 



distribution of nerves in,. . . 218 



development of, 403 



Lachrymal gland, 142 



Lachrymal fluid, 144 



Lachrymal sac and duct, 143 



Lachrymine, 145 



Lactation, influence of, upon ovu- 



lation and menstruation, 454 



Lamina cribrosa, 42 



Lamina spiralis, 165, 215 



Larynx, development of, .... 412, 414 



Laxator tympani, 158 



Left-handedness, 456 



Lenses (see refraction), 77 



Leucocytes, development of, 429 



Life, duration of, 461 



Ligamentum iridis pectinatum, . 47, 52 



Light, theories of, 73 



rate of propagation of, 73 



velocity of different colored 



rays of, 74 



length of waves of, 74 



analysis of, 75 



Limbus laminae spiralis, 215 



Lips, development of, 413 



Littre, glands of, 322 



Liver, development of, 408 



relative weight of, at different 



periods of life, 409 



circulation in, 434 



Lochia, 454 



Locomotor ataxia, 15 



Lungs, development of, . 410 



Macula acustica, 214 



PAGE 



Macula folliculi, 292 



Macula lutea, 55 



Male organs and elements of gen- 

 eration, 313 



Male elements of generation,. ... 322 



Malleus, 157 



development of, 411 



Mariotte, experiment of, 87 



Meckel, cartilage of, 403, 413 



Meconium, 409, 455 



Mediastinum testis, 315 



Medulla oblongata, development 



of, 400, 401 



Meibomian glands, 139 



Melody, 167, 177 



Membrana basilaris of the cochlea, 215 



Membrana fusca, 48 



Membrana granulosa, 277 



Membrana media, 365 



Membrana tectoria, 215 



Membrana tympani, structure of,.. 197 



cone of light in, 199 



uses of, 199 



artificial, 199 



voluntary tension of, 201 



loss of, 205 



position of, in persons with a 



musical ear, 207 



Meniere's disease, 225 



Menstruation, relations of, to ovu- 



lation, 295 



analogy of, with rut in the in- 

 ferior animals, 293, 296, 301 



in monkeys, 302 



phenomena of, 302 



after extirpation of the ova- 

 ries, 303 



different stages of, 304 



characters of the flow, 305 



influence of, upon the elimi- 

 nation of urea, the pulse, and 



the temperature, 306 



changes of the uterine mu- 

 cous membrane in, 306 



arrest of, during lactation, . . 454 



Me>y, glands of, 322 



Mesentery, development of, 407 



Micropyle, 290, 352 



Middle ear, 154 



Modiolus of the cochlea, 215 



Monocular vision, 122 



Monsters, conjoined, 452 



Morgagni, hydatids of, 315 



Mouth, development of, 412 



Miiller, ducts of, 421, 422 



