12 CONTENTS. 



$U.--Milch-kine .^48 



Experiment I. — Two hundred days after calving 447 



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



Experiment III. — Tw^o 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 calving 449 



Experiment Vin 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 after the calving 450 



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



$ HI.— Fattening of cattle 452 



$ IV.— Of horses 460 



$V.— Of hogs 464 



$ VI. — Of the production of manure 471 



CHAPTER X. 



Mbtcorolooical considerations 475 



$ I.— Temperature 475 



$ II. — Decrease of temperature in the superior strata of the atmosphere 478 



$ in. — Meteorological circumstances under which certain plants grow in different 



climates 481 



Cultivation of wheat, Alsace *. 482 



Cultivation of wheat in America 483 



Intertropical region 483 



Cultivation of barley 483 



Cultivation of maize or Indian com 484 



Cultivation of the potato 484 



Cultivation of the indigo plant ■.... 485 



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



I V. — On the influence of agricultural labors on the climate of a country in lessen- 

 ing streams, &c < 495 



