The influence of tropical climates on European constitutions / by James Johnson and James Ranald Martin.

Date:
1841
Catalogue details

Licence: Public Domain Mark

Credit: The influence of tropical climates on European constitutions / by James Johnson and James Ranald Martin. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

    48/720 (page 30)
    boats of the greatest magnitude may be navigated, and some are navigable a certain extent throughout the year. There is reason to beUeve that nearly aU these stagnant sheets of water rest in what were at a remote penod the channels of large rivers, which have since altered their courses and now flow in another direction. The area of Bengal and Behar is IWI7 square nules, and with Benares not less than 162,000 square miles. The foUowmg proportions of the surface are grounded upon many surveys after makmg allowance for large rivers : Parts. 3 Rivers and lakes (one-eighth), .. .. ^ Deemed irreclaimable and barren (one-sixth) Sites of towns and villages, highways, tanks, &c. (one twenty- ^ fourth) „ Free land (three twenty-fourths) remain liable to revenue.. .. ^ In tillage (three-eighths) ^ Waste (one-sixth), Total 24* According to another calculation Bengal contains 97,244 square miles : if from this that portion of Tipperah which is independent toct °f the InZbunds and other wastes, equal to 13,244 square miles, be deducted the remaining inhabited country will be equal to 84,000 square miles , b the extent of^waste and surface occupied by rivers, marshes. &c.. seems e ^ wtrS'tld?t considered, along with the complete satu^tion d^g « in the vear of every inch of soU. even that which may not be five monfris in 3^^ . ^ ^ exhalation-the com- actually mundated. the extent ascertained that the capa- merce of land and water—maybeimagin . or> that at Z o! the atmosphere for moUture varies trith rts temperat^, ^ tta. at 113°, it holds a twentieth part of its weight of moisture; at 80 . | “rraTdentific offieer well acqaainted with the li^ties, I put tim Wo lodowing ,ues«o„s: 1st. TaMn^ ^ i »d“ e lair just after i 2d. What proportion does the culn- tated land bear to the waste and jungle wjthm the said area i f “wdlv 10th of June, you might assume one-Wentieth p jttte ;:’;o^^onof the water .the land i^f course 1 mean by water, ground from which exhalations could arise. * W. Hamilton.