INDEX TO VOLUME II 



513 



Hunger, 404 



Hunger-centre, clinical evidence for, 404 

 Hydra, regeneration of lost parts in, 496 

 Hydrocyanic acid, action of, on coagulation of 



muscle-plasma, Ki4 

 Hymen. 462 

 Hyo-glossus muscle, 426 

 Hyperesthesia, homolateral, after hemisection 



of the cord, •!'■'•'■', 

 Hypermetropia, 313 



range of accommodation in, 314 

 Hypoxanthin of muscles, 167 



Idants of the germ-plasm, 503 

 Idiomuscular contraction, 27, !'•_>, 128 

 Idioplasm as a basis of heredity, 499 

 Ids of the germ-plasm, 503 

 Illusions, visual, in sizes of objects, 354 



of space perception, 351 

 Immunity, inherited, 498 

 Impregnation, 466 

 Incus, 366 



Independent irritability of muscle, 25 

 Index of refraction of the aqueous humor, 303 

 of the lens, 303 

 of the vitreous humor, 303 

 Indifferent point of polarized nerves, 64 

 Indirect vision, color sensations in, 333 

 Induced currents, making and breaking shocks 

 with, 40 

 prevention of spread of, 44 



electric currents, stimulating effect of, 33 

 Induction apparatus, schema of, 33 

 Infections, intra-uterine, 498 

 Infectious diseases, germinal transmission of, 



498 

 Inferior oblique muscle, 299 



rectus muscle, 299 

 Inharmonic overtones, 386 

 Inheritance, facts of, 494 



of acquired characters, 496 



of diseases, 498 



theories of, 498 

 Inhibition from cortical stimulation, 224 



in the central nervous system, 224 

 Inorganic salts, relation of, to irritability, 59 

 Insanity, relation of brain-weight to, 278 



variations of muscular tonus in, 220 

 Insect muscle, time of contraction in, 108 

 Intensity of visual sensations, 339 

 Intermedins nerve of Wrisberg, central path of, 



236 

 Internal capsule, grouping of fibres in, 248 



ear, anatomy of, 371 



rectus muscle, 299 

 Intracranial pressure, relation of, to blood- 

 pressure, 287 

 Intraocular images, 320 

 Intrapolar region, 62 



Introductory contractions of a contraction 

 series, 113 



peak of tetanus curves, 124 

 Inversion of retinal images, 305 



Invertebrates, conduction in the nerves of, 91 

 Involuntary muscles, rigor mortis of, 162 



Ion-proteid compounds of muscle, 168 

 Iris, dilator nerves of, 32 t 



direct response to lifjlit by, •">'-' I 



innervation of, 323 



movements of, in accommodation, 309 

 rate of, 325 



muscles of, 323 



relation of, to spherical alienation. 315 

 Irradiation in the retina, ''. 19 



of nerve-impulses in the central nervous sys- 

 tem, 208 

 Irritability, definition of, 20, 23 



33 



Irritability, effect of blood-supply on, 66 

 of constant currents on. i>2 

 of repeated stimuli on, 65 

 of muscle, 25 

 of nerve-fibres, 21 

 of nerves. 24 

 and muscles, conditions affecting, 55 

 effect of section on, 69 

 of ova, 22 

 Irritants, classification of, 23 

 conditions determining their efficiency, 28 

 effect of, on irritability, 55 



of variations in strength of, 39 

 relation of, to the response, :.' 1 

 Ischio-cavernosi muscles, 449 

 Ischio-cavernosus, action of, in erection, 464 

 Isolated conduction in nerve-trunks, 79 

 Isometric contractions, definition of, 110 

 Isotonic contractions, definition of, 110 

 Isotropic substance of muscle-fibres, 104 



Joints, classification of, 415 

 Jumping, 420 



Kakyokinetic figures in mature nerve-cells, 



21 12 

 Katelectrotonus, 62 

 Kathodal contraction, 115 

 Kathode, physical, definition of, 52 



physiological, definition of, •">■.! 

 Keys, electric, 30 

 Knee-kick, reinforcement id', 222 

 Krause's membrane, 104 



Labia majora, 462 



minora, 462 

 Labial consonants, 137 

 Labio-dental frietionals, 438 

 Labium tympanicum of the internal ear, 377 



vest ibul are of the limbus, 377 

 Labor, nature of, 4*1 



stages of, 179 

 Labor-pains, 479 



Labyrinth of the ear, anatomy of, 371 

 Lactation, ovulation (luring, 15(1 

 Lactic acid of muscles, L68 



Lamina spiralis, 372 



Lamina- of medullary tube in the foetus, 205 

 Laryngeal muscles, specific actions of, 428 

 nerve, recurrent, 428 

 superior. 128 

 Laryngoscope, 129 



Larynx, earl ilages of, 425 



closure of, during muscular effort, 423 



muscles of, 125 

 nerves of, 128 

 -,t met ore id', 421 

 Latent areas of the cortex, 261 



characters, hereditary transmission of. 195 

 period, effed of temperature on. 136 

 of tension on. l lit 



of inoi in- end plates, 103 



of muscle, 103 



of red muscle. L09 



of re1 inal stimulation, 343 

 of simple muscular cont raction, in-.' 

 " Law of contraction,*' Pfluger'8, 50 

 Law of stimulation of human nerves by bat ter\ 

 currents. 54 



Lecit hin of nerves, L6fl 

 Lemniscus, medial. 226 



sensory paths entering, 235 

 Lens, changes in. during accommodation, 307 



crystalline, changes in. -with old age, 31 I 

 curvatures of, 303 



opacities in. 321 



refractive index of. 303 



