INDEX 



80 1 



Spherical aberration, 556 

 Sphincters, rectal, 234 

 Sphygmogram, 76 

 Spinal accessory nerve, 514, 516, 526 

 Spinal autonomic system, 526 

 Spinal cord, 438, 441, 460 

 Spinal cord, columns of, 461, 463 

 Spinal cord, grey matter in, 462, 



463 

 structure, 463 

 Spinal cord, special centres in, 472 

 ano-spinal, 472 

 cilio -spinal, 472, 



535 

 genito -spinal, 472 

 parturition, 472 

 vasomotor, 472 

 vesico-spinal, 341, 



Spinal cord, white matter, 463 



neuroglia, 463 

 paths in, 464 

 tracts, ascending, 464, 467 

 function of, 470 

 association fibres, 470 

 Clarke's column, 463, 469 

 column <>i Burdach, 467, 

 470 

 of Goll, 467 

 cortico-sp'nal, 465 

 crossed pyramidal, 464, 465 

 descending, 464, 465 

 direct cerebellar, 463, 467, 

 470 

 pyramidal, 464, 465, 

 470 

 dorsal cerebellar, 463, 467, 



470 

 lateral superior, 467, 470 

 median superior, 467 

 of Flechsig, 463, 467, 470 

 of Gowers, 467, 470 

 proprio -spinal descending, 



465, 467 

 rubro-spinal, 465 , 466 

 ventral -cerebellar, 467, 470 

 ventro - lateral, ascending, 

 467, 470 

 descending, 465, 466 

 Spinal dog, 449, 457 

 Spinal nerves, 438, 460, 461, 468, 



47i 



dorsal root, method of en- 

 tering cord, 471 



function of, 461 



ganglia on, 460, 468 



not reflex centres, 459 



Wallerian degeneration of, 



437 

 white matter, 463 

 Spinal segment, 461 



Splanchnic nerves, 85, 227, 294, 529 

 Splanchnopleure, 706 

 Spleen, 294 



movements, 294 

 nerve- supply, 294 

 peculiarities of circulation, 294 

 use of, 294 

 ' Sports ' in heredity, 736 

 Sprains. See Tendons and Locomo- 

 tion 

 Stag, rutting of, 691 

 ' Staircase ' tracing, 397 

 ' Staleness,' 414 



Stamina, 293, 646, 647, 650, 742 

 Standing attitude. See Posture 

 reflex, 458 



stress of, 614. See also Sleep 

 Stannius's experiment, 49 

 Star on forehead, 304 

 Starch, 165, 759 



conversion, 166, 192, 256, 759 

 of plants, 165 

 sparing action, 352, 358 

 Starvation, 363, 573 

 Steapsin. See Lipase 

 Stearic acid, 358 

 Stearin, 757 

 Step, 618 

 Stercobilin, 232 

 Stereoscopic vision, 550 

 Stifle and hock, reciprocating action 

 of, 601 

 dislocation (?) of, 601 

 -joint, 596, 601, 610 

 Stokes' fluid, 1 1 



Stomach, absorption from the, 200, 

 282 

 acids, 183, 184, 187, 188, 189 

 variation in different ani- 

 mals, 184 

 arrangement of food in, 180 

 capacity of, 173 

 cellulose in, 193 



digestion in, 193 

 ferment, 193 

 contents, reaction of, 183 

 digestion, 172 

 dog, 200 

 periods of, 193 



pig, 199 



ruminants, 194. See also 

 Omasum, Reticulum, 

 Rumen, Abomasum 

 fats in, 193 

 gases of, 202 

 gastric juice, 184, 187 



amount secreted, 188 

 characters of, 187 

 chemical secretion, 191 

 enzymes of, 188, 189, 

 190 



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