14 CONTENTS 



CHAPTEB PA3E 



XXL The Blood and its Circulation 313 



XXII. Respiration and Excretion 329 



XXIII. Body Control and Habit Formation .... 348 



XXIV. Man's Improvement of his Environment . . . 373 

 XXV. Some Great Names in Biology 398 



APPENDIX 407 



Suggested Course with Time Allotment and Sequence 



OP Topics for Course beginning in Fall . . 407 

 Suggested Syllabus for Course in Biology beginning 



in February and ending the Next January . 411 



Hygiene Outline 415 



Weights, Measures, and Tempp:ratures . . . 417 



Suggestions for Laboratory Equipment . . . 418 



INDEX c 419 



