Date April 30
Elevation 7,430 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 57.4
Extreme Temperature of Air observed 46.0 to 61.3
Approximate Mean Temp. of Air deduced 55.0
Diff. between Air and sunk Therm. +2.4
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Locality Superintendent's house
Date April 21 to 30
Elevation 6,932 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 58.8 to 60.2
Extreme Temperature of Air observed 48.5 to 65.8
Approximate Mean Temp. of Air deduced 58.0
Diff. between Air and sunk Therm. +1.5
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*Sheltered by trees, ground spongy and wet.

SERIES III.--_Plains of Bengal_
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Locality Kishengunj
Date May 3 to 4
Elevation 131 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 82.8 to 83.0 (Dry sand)
Extreme Temperature of Air observed 70.0 to 85.7 (Dry sand)
Approximate Mean Temp. of Air deduced 82.0
Diff. between Air and sunk Therm. +0.8
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Locality Dulalgunj
Date May 7
Elevation 130 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 81.3 to 83.0
Extreme Temperature of Air observed 74.3 to 90.3
Approximate Mean Temp. of Air deduced 82.0
Diff. between Air and sunk Therm. -0.7
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Locality Banks of Mahanuddy river
Date May 8
Elevation 100 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 79.3 to 83.0*
Extreme Temperature of Air observed 75.0 to 91.5
Approximate Mean Temp. of Air deduced 83.0
Diff. between Air and sunk Therm. -3.7
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Locality Banks of Mahanuddy river
Date May 9
Elevation 100 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 87.5 to 83.0*
Extreme Temperature of Air observed 77.8 to 92.5
Approximate Mean Temp. of Air deduced 83.0
Diff. between Air and sunk Therm. -4.5
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Locality Banks of Mahanuddy river
May 10
Elevation 100 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 88.0 to 83.0*
Extreme Temperature of Air observed 78.5 to 91.5
Approximate Mean Temp. of Air deduced 82.3
Diff. between Air and sunk Therm. -5.7
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Locality Maldah
Date May 11
Elevation 100 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 88.8 to 83.0*
Extreme Temperature of Air observed 75.3 to 91.3
Approximate Mean Temp. of Air deduced 82.3
Diff. between Air and sunk Therm. -6.5
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Locality Mahanuddy river
Date May 14
Elevation 100 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 87.8 to 83.0*
Extreme Temperature of Air observed 71.0 to 91.7
Approximate Mean Temp. of Air deduced 82.3
Diff. between Air and sunk Therm. -4.5
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Locality Ganges
Date May 15
Elevation 100 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 88.0 to 83.0*
Extreme Temperature of Air observed 73.0 to 87.8
Approximate Mean Temp. of Air deduced 82.3
Diff. between Air and sunk Therm. -5.7
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Locality Bauleah
Date May 16 to 18
Elevation 130 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 87.8 to 89.8
Extreme Temperature of Air observed 78.0 to 106.5
Approximate Mean Temp. of Air deduced 80.5
Diff. between Air and sunk Therm. +7.3
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Locality Dacca
Date May 28 to 30
Elevation 72 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 84.9 to 84.3
Extreme Temperature of Air observed 75.3 to 95.5
Approximate Mean Temp. of Air deduced 83.3
Diff. between Air and sunk Therm. +0.9
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* Soil, a moist sand.

SERIES IV.--_Khasia Mountains._

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Locality Churra
Date June 23 to 25
Elevation 4,226 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 71.8 to 72.3*
Extreme Temperature of Air observed 64.8 to 72.2
Approximate Mean Temp. of Air deduced 69.9
Diff. between Air and sunk Therm. +2.2
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Locality Churra
Date Oct. 29 to Nov. 16
Elevation 4,226 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 68.3 to 64.0
Extreme Temperature of Air observed 70.7 to 49.3
Approximate Mean Temp. of Air deduced 61.7
Diff. between Air and sunk Therm. +4.5
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Locality Kala-panee
Date June 28 to 29
Elevation 5,302 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 69.2
Extreme Temperature of Air observed 64.2 to 71.2
Approximate Mean Temp. of Air deduced 67.2
Diff. between Air and sunk Therm. +2.0
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Locality Kala-panee
Date Aug. 5 to 7
Elevation 5,302 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 70.0 to 70.4
Extreme Temperature of Air observed 72.2 to 61.8
Approximate Mean Temp. of Air deduced 64.9
Diff. between Air and sunk Therm. +5.2
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Locality Kala-panee
Date Sept. 13 to 14
Elevation 5,302 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 70.2*
Extreme Temperature of Air observed 65.5 to 69.8
Approximate Mean Temp. of Air deduced 66.0
Diff. between Air and sunk Therm. +4.2
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Locality Kala-panee
Date Oct. 27 to 28
Elevation 5,302 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 66.3*
Extreme Temperature of Air observed 64.0 to 56.0
Approximate Mean Temp. of Air deduced 60.0
Diff. between Air and sunk Therm. +6.3
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Locality Moflong
Date June 30 to July 4
Elevation 6,062 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 65.0 to 67.3
Extreme Temperature of Air observed 61.0 to 68.3
Approximate Mean Temp. of Air deduced 64.0
Diff. between Air and sunk Therm. +2.2
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Locality Moflong
Date July 30 to Aug. 4
Elevation 6,062 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 67.3
Extreme Temperature of Air observed 64.0 to 75.8
Approximate Mean Temp. of Air deduced 68.5
Diff. between Air and sunk Therm. -1.2
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Locality Moflong
Date Oct. 25 to 27
Elevation 6,062 feet
Depth 2 ft. 7 in.
Temp. of sunk Therm. 63.2
Extreme Temperature of Air observed 63.7 to 55.7
Approximate Mean Temp. of Air deduced 64.1
Diff. between Air and sunk Therm. -0.9
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Locality Syong