CHAPTER V.

p. 117. METHOD OF MEASURING THE QUANTITY OF RAIN THAT FALLS--THE RAIN GAUGE--METHODS OF OBSERVING FOR RAIN AND SNOW--EFFECTS OF ELEVATION ON THE QUANTITY OF RAIN--DIFFERENCE BETWEEN THE TOP OF A TALL BUILDING AND THE SUMMIT OF A MOUNTAIN--SIZE OF DROPS OF RAIN--VELOCITY OF THEIR FALL--QUANTITY OF RAIN IN DIFFERENT LATITUDES--EXTRAORDINARY FALLS OF RAIN--REMARKS ON THE RAIN OF THIS COUNTRY--INFLUENCE OF THE MOON--ABSENCE OF RAIN--REMARKABLE DROUGHT IN SOUTH AMERICA--ITS TERRIBLE EFFECTS AND CONSEQUENCES--ARTIFICIAL RAINS.