PART I.] 



The Soil in Relation to Disease, 



203 



TAl^LE YII. 

 Monthly Means of Soil-temperatnre, Watpr-levd, etc., from February 1872 



to August 1874. 



Mkas Maximum TEXPSRiTCBi oj 

 Soil. iM Calcutta. 



MOHTH. 



Febraary 



Marcli... 



April ... 



May ... 



June ... 



July ... 



August 



September 



October 



November 



December 



January 

 February 

 March... 

 April ... 

 May ... 

 June ... 

 July ... 

 August 

 September 

 October 

 November 

 December 



January 

 February 

 March ... 

 April ... 

 May ... 

 June ... 

 OuLy ... 

 August 



1872. 



1873. 



1874. 



3 feet from 

 surface. 



70°7'Fahr 



75°2' 



82°1' 



84''3' 



85°3' 



82''2' 



82°0' 



82°0' 



88°8' 



75''7' 



7203' 



es'o' 



70°5' 

 76"8' 

 81°8' 

 SB"*' 

 84°8' 

 83°3' 

 82°0' 



80°1' 



72*6' 



68*8' 

 Wi' 

 74°3' 

 SO"?' 

 83'4' 

 82°4' 

 SI'S' 



sro' 



6 feet from 

 surface. 



74°0'Fahr 



75='fi' 



79°1' 



81°2' 



8303' 



8206' 

 82»0' 



srs' 



77''8' 

 7B°4' 



72°4' 

 72°5' 

 7(1°!' 

 79°4' 

 80''5' 

 82°1' 

 82''3' 

 81''2' 

 8r4' 

 8(f7' 

 78-4' 

 75°6' 



72^8' 

 73''0' 

 74°6' 

 78°1' 

 81°0' 

 8IY 

 SIT 



8 re' 



Eain-fall in 

 Calcutta. 



2-82 inches 



0-21 „ 



1-83 „ 



1-91) „ 



9-45 „ 



B"65 „ 



11-52 „ 



8-42 „ 



8-93 „ 



0-02 „ 



0-09 „ 



1-18 

 1-84 

 3-78 

 4-30 

 14-76 

 10-23 

 582 

 2-40 

 0-14 

 0-82 



0-94 

 3-77 

 0-94 

 1-20 

 116 

 6-89 

 8-89 

 1019 



iVverape Tem- 

 perature 

 [open air]. 



72°9'Fahr 



83°1' 



85''9' 



87''0' 



85°4' 



83''3' 



83° 1' 



83»2' 



81°6' 



7f.''6' 



70^3' 



68°.r 



80°3' 

 84°4' 

 8'7''0' 

 88°2' 

 83°5' 

 83°5' 

 84''5' 

 82°1' 

 76"'0' 

 70°2' 



72°y 

 78''6' 

 85''4' 

 87<'4' 

 83»9' 

 84°2' 

 83»1' 



Distance of 

 water-level from 

 surface in feet, 



[At Aiipore.] 



13'8" 

 14'2" 

 14'4" 

 14'7" 

 14'7" 

 13'9" 

 12'7" 

 lOT" 

 10' 7" 

 11'2" 

 13'0" 



13'7" 

 1<)'4" 

 147" 

 14'9" 

 IB'O" 

 15'0" 

 14'7" 



ii'g" 



10'2" 

 11'5" 

 12'9" 

 14'0" 



147" 



1410" 



15'0" 



15'0" 



IB'2" 



15'2" 



15'2" 



15'1" 



