Xll 



CONTENTS 



CHAPTER 



XXII. 

 XXIII. 

 XXIV. 



XXV. 



XXVI. 



XXVII. 



XXVIII. 



APPENDIX 



GARDEN VEGETABLES, FRUIT, AND FLOWERS . 



FORESTRY 



NEEDS OF THE ANIMAL: USE OF FOOD BY MAN 

 AND OTHER ANIMALS . . . . 



BREATHING 



MUSCULAR MOVEMENT AND EXERCISE . 



FARM ANIMALS 



FARM ANIMALS (continued) 



PAGE 



317 

 334 



346 

 361 

 371 

 377 

 399 



411 



