12 CONTENTS. 



Pag« 



$n.--Milch-kine 444 



Experunent I.— Two hundred days after calving ... 447 



Experiment II.— Two hundred und seven days after calving 448 



Experiment III.— Two hundred and fifteen days after calving 448 



Experiment IV.— Two hundred and twenty-nine days after calving 448 



Experiment V— Two hundred and forty days after calving 449 



Experiment VI. Two hundred and seventy days after calving 449 



Experiment VII.— Two hundred and ninety days after ciilving 449 



Experiment VIII. 449 



Experiment IX.— Thirty-five days after calving 450 



Second Series. Experiment I.— Begun one hundred and seventy-six days 



after the calving. 450 



Experiment II. — One hundred aid eighty-two days after the calving 450 



Experiment III. — One hundred and ninety-three days alter the calving 450 



Experiment IV. — Two hundred and four days after the calving. 451 



5 III.— Fattening of cattle 452 



§ IV.— Of horses 460 



$ v.— Of hogs ' 464 



$ VI. — Of the production of manure 4T1 



CHAPTER X. 



Meteorological considerations. 475 



§ I. — Temperature 475 



§ II.— Decrease of temperature In the superior strata of the atmosphere 478 



^ III. — Meteorological circumstances under which certain plants grow in dififerent 



climates 481 



Cultivation of wheat, Alsace 482 



Cultivation of wheat in America 4K! 



Intertropical region 4.~'3 



Cultivation of bariey 483 



Cultivati<m of maize or Indian corn 484 



Cultivation of the potato 484 



Cultivation of the indigo plant 485 



\) IV.— Cooling through the night; dew, rain 486 



J V. — On the influence of agricultural laborj on the climate of a country- in lessen- 

 ing streams, &.c 193 



