CONTENTS xi 



Speech . . . .394 



The Respiratory Bellows ......... 394 



The Larynx '. . . 395 



The Air-chambers ...... 395 



The Nervous Control . . 395 

 Aphasia ... ... 



Emotional Reactions ....... - 397 



CHAPTER XII. 

 MENTAL FUNCTION. 



The "Functions" of the Mental Process ... . 400 



Certain General Characteristics of the Mental Process . . . ... 401 



The Descriptive Aspects of Consciousness . . .403 



Feeling . . . . 403 



Sensation . . ... . 404 



The Feelings and Emotions . . . . . 408 



Willing ..." . 410 



Habit and Instinct .... . . 413 



Knowing . . . . 414 



Sensation . . 415 



Perception . . . 415 



Conception . .... .416 



Understanding ... . 418 



The Reason . . 418 



The Relations of Body and Mind . . 418 



Memory ... . . . 421 



Sleep ... .421 



Hallucinations, Illusions, and Delusions . . . 425 



Anesthesia ... . . . 426 



CHAPTER XIII. 



REPRODUCTION AND DEVELOPMENT. 



Puberty and Menstruation . 429 



Puberty in the Male . 429 



Puberty in the Female . . . 430 



Ovulation . 432 



Menstruation ..... 435 



The Relation of Ovulation to Menstruation . . 437 



Impregnation 437 



Coitus . . 438 



Semen . . 438 



Fertilization . . 439 



Oviposition . . 441 



Pregnancy, Parturition, and Lactation . . 442 



Pregnancy ..... 442 



The Changes in the Reproductive Organs . . 442 



Alterations in the Body Generally . 443 



Mental Changes . 445 



Parturition . 146 



Lactation . 447 



