936 



INDEX. 



Soluble ferments, 110 

 Solution, 43 



Sound, reflection of, 883 

 Sounds, conduction of, 884 

 of the heart, 514 

 pitch of, 884 

 reciprocation of, 884 

 sympathetic vibration of, 884 

 transmission of, 884 

 variations in, 758 

 Special physiology, definition of, 1 

 Specialization of function, 15, 32 

 Specific gravity of tissues, 62 

 Spectra of haemoglobin, 477 

 Spermaceti, 122 

 Spermatic cells, 915 

 Spermatoblasts, 915 

 Spermatozoa, 28, 914 

 development of, 915 

 motion of, 77 

 Spherical aberration, 854 

 Sphygmograph, 536 

 Spinal accessory nerve, 835 



cord as a collection of nerve-centres, 

 789 

 course of fibres in, 789, 797 

 functions of, 786 

 histology of, 789 



influence of, on renal secretion, 

 ; 645 



reflex action of, 790 

 section of antero-lateral columns 

 of, 801 

 "' experiments on, 800 



longitudinal section of, 801 

 section of, 800 

 structure of, 786 

 tracts of, 796 

 roots, course of fibres in, 798 



influence of, on nervous nutrition, 

 778 

 Splanchnic nerves, influence of, on renal 



secretion, 645 

 Spleen, influence of on pancreas, 409 

 Stability of animal bodies, 731 

 Stable equilibrium, 731 

 Standing in quadrupeds, 733 



mechanism of, jn man, 732 

 Stapedius muscle, 890 

 Stapes, 880 



Starch, changes of, through saliva, 289 

 Starches, 112 



gastric digestion of, 354 

 test for, 1 14 

 Star-fish, nervous system of, 766 

 Starvation, loss of weight in different tis- 

 sues, 676 

 tissue changes in, 674 

 Stearic acid, 122 

 Stearin, 122 

 . Stereoscope, 870 

 Stimuli of nerves, 776 

 Stomach, accumulation of food in, 338 



Stomach, changes of food in, 341 



characteristics of, 215 



of hog, 216 



structure of, 363 



of horBe, 215 



of ruminant, capacity of, 339 



structure of, 356 

 Straw, barley, 171 



buckwheat, 172 



composition of, 178 

 Stroma of blood-corpuscles, 474 

 Structure of organized bodies, 11 

 Sublingual secretion, 283 

 Submaxillary saliva, composition of, 280 



fistula, 279 



secretion, 279 

 Succus entericus, 416 

 Suckling and mastication, centre for, 817 

 Sugar, ^absorption of, 454 



fate of, 670 



milk, 120 



of milk, 616 

 Sulphate of calcium, 136 



of potassium, 135 



of sodium, 135 

 Supplemental volume of air, 573 

 Sweat, composition of, 652 



influence of nervous system on, 654 



quantity of, 653 



secretion , 652 

 of, 654 

 Swimming in the horse, 755 

 Swine, normal foods for, 690 

 Sympathetic nerve, 835 



act-ion of, on pupil, 862 



influence of, on temperature, 697 

 Synarthroses, 729 

 Syntonin, 99 

 Syrinx of birds, 760 



Tactile sensations, 897 

 Taste bulbs, 893 



nerves of, 896 



sense of, 893 

 Taurin, 387 



Taurocholate of sodium, 384 

 Taurocholic acid, 386 

 Tears, composition of, 658 

 Teeth, action of, in mastication, 245 



compound, structure of, 246 



structure of, 245 

 Tegmentum cruris, 819 

 Temperature -influence on ciliary motion, 80 

 on nerve irritability, 776 

 on protoplasmic movement, 82 



of different domestic animals, 696 

 Temporal muscle, action of, 243 

 Tensor tympani muscle, 890 

 Tetanus, 715 

 Thirst, 92 



Thoracic duct, chyle of, 460 

 Thorax, 571 

 Tidal volume of air, 573 



