Xll CONTENTS 



BXKRCIBB PAOK 



74. THE GEOGRAPHICAL DISTRIBUTION OF OATS .... 808 



76. THE GKOOKAIMIICAL DISTRIBUTION OF POTATOES . . . 807 



76. TREE IDENTIFICATION ........ 311 



77. STARTING PLANTS BY CUTTINGS ...... 316 



78. POTTINO PLANTS 317 



79. THE DAIRY HERD RECORD 320 



80. A STUDY OF THE Er.o 326 



81. A STUDY OF THE RICE HEAD ....... 330 



EXTRA FOR ARBOR DAY 



82. TREE PLANTING 334 



APPENDIX 



SECTION I. EQUIPMENT 837 



SECTION II. SUGGESTIONS TO TEACHERS , 341 



