John M. Thatcher

1897 Scientific American  
destructive effect upon the surrounding country. The water is drawn off by artificial canals and spreads quietly over the adjacent country. The Mississippi on the oth '1' hand works far Illore harIll in many of the inundated districts than any richness it may impart to the soil can compensate. If the velocity of the over flow waters exceeds a certain rate, it begins to exercise a loosening and cutting effect upon the soil, carrying away the rich 10aIll and laying bare the coarser gravel and
more » ... s. Moreover, the seasons are too brief to per mit the bOttOIll lands of the Mississippi to lie so long under water. By the time the waters have receded, and the lakes and large pools left in the hollows have dried up, the season is too far advanced for the crops to be put in to good advautage. The equable climate of the Nile valley, on the other hand, presents no diffi culties due to the shortness of the seasons. ... . -THE REA YENS FOR JUNE. BY WILL IAM R. BROOKS, ::M.A., F.R.A.S. THE SUN. The sun's right ascension on the first of the month is 4 h. 39 Ill. 25 s.; and its declination north 22 deg. 9 m. 43 s.
doi:10.1038/scientificamerican05291897-339a fatcat:c3ra7mliqjd45d4l6wuwan4tpa