INDEX, 



655 



Secondary organic compounds, i. 7, 35, 

 45 



Secreting organs, general view of, ii. 

 451 



Secretion, ii. 447 ; of Brunner's glands, 

 232 ; of pancreas, 347 ; of urine, 494 



Section of hair, method of making, i. 

 418 



Seguin and Lavoisier, on the influence 

 of temperature on the exhalation of 

 carbonic acid, ii. 407 



Sella Turcica, i. 292 



Semicircular canals, ii. 73 ; mem- 

 branous, 82 ; action of, 98 ; deve- 

 lopment of, 602 



Semilunar valves, ii. 333 



Seminal tubules, ii. 539, 545 



Sensation, i. 25 ; centres of, 344, 347, 

 349 ; common and special, 55, 233, 

 403 ; mechanism of 330, 339, 344 ; 

 subjective, objective, 402, 433 ; 

 sympathetic, 388 ; of temperature, 

 432 



Sense, muscular, i. 428 



Sensibility of palms of hands and 

 feet, i. 430 



Septal cartilages of nose, ii. 3 



Septum lucidum, i. 287 



Serous membranes, i. 128 ; structure, 

 1 29 ; physical and vital properties, 

 130 ; inflammation, adhesion of, 130 



Serous and mucous laminae of birds' 

 egg, ii. 582 



Serous pericardium, ii. 336 



Serous or animal layer of the germi- 

 nal membrane, ii. 576 



Serres, on corpora quadrigemina, i. 

 352 



Serum, ii. 290 ; of blood, 296 



Sexual instinct, is it seated in the 

 cerebellum 1 i. 359 



Sexual organs, ii. 531 



Shaft of hair, i. 417 



Shape and size, visual perception of, 

 ii. 58 



Sharks and rays, mucous tubes of, i. 

 426 



Sharpey, Dr., on ciliary movement, i. 

 65 ; on the force of the heart, ii. 350 ; 

 on the formation of the decidua, 

 577 ; his investigations upon an 

 early human embryo, 619 



Sheaths of the arteries in the spleen, ii. 

 513 



Shortsightedness, ii. 48 



Sibson, Dr., on the action of the in- 

 tercostal muscles, ii. 400 ; on the 

 movement of the ribs in inspira- 

 tion, ii.398. 



Siebold, Yan, on cystic entozoa, ii- 

 529 



Sighing, yawning, coughing, their de- 

 pendance on the medulla oblongata, 

 i.334 



Sigmoid flexure of the colon, ii. 217 



Silica in urine, ii. 499 



Simon, Dr. Franz, on demodex, i. 425 ; 

 on ptyalin, ii. 184 ; on the blood of 

 the vena porta, 311 ; analysis of 

 milk, 629 



Simon, Mr. J., on fibrin e as a product 

 of decay, ii. 313 ; on the use of the 

 thymus, 521 ; on the use of the 

 thyroid, 520 



Singing, ii.443 



Sinus, rhomboidalis, ii. 600 ; urino- 

 genitalis, 620 ; venosus, 334 



Sinuses of the nose, ii. 1 



Sixth nerves, ii. 104 



Skeleton, external and internal, i. 97 ; 

 mechanism of, 138 



Skin, absorption through, ii. 269 ; 

 contractility of, i. 407 ; functions 

 of, 426 ; general anatomy of, 405 ; 

 tanned, 407 ; termination of nerves 

 in, 412 



Skin of external ear, ii. 67 



Sleep, effects of upon the tempera- 

 ture of the body, ii. 420 



Sleep and somnambulism, i. 370 



Small intestine, ii.216 



Smegma preputii, ii.545 



Smell, ii.l ; conditions of, 11 



Smith, Dr. Tyler, on the cause of birth, 

 ii. 623 



Smith and Harris, on the smallest 

 portion of the retina capable of 

 independent sensation, ii. 56 



Snow, Dr., experiments of the dele- 

 terious nature of respired air, ii. 

 410 ; on the quantity of carbonic 

 acid expelled after the inhalation of 

 chloroform and ether, 407 



Soda salts in urine, ii. 499 



Soemmering on the yellow spot, ii. 

 XO 



Soft, palate, ii. 186 ; commissure, 286 



Solid and fluid constituents of animal 

 bodies, i. 34 



Solipeds, intestinal canal of, ii. 220 



Solitary glands, ii. 232 



Solution of meat, albumen, etc., in 

 gastric juice, ii. 202, 207 



Somnambulism, i. 371 



Soprano voice, ii. 443 



Sound, nature of laws of transmission 

 of, ii. 87 ; length which a sensation 

 lasts, 100 ; velocity of, 88 



