Te 
290 REV. G. HENSLOW ON TRANSPIRATION 
No.of | Loss per hour, . 
hours. No. IV. Min. | Max. 
1886. o 6 
Jan. 23 55 R. 049 Snow, dull. 40 40 
14°5 D. :042 395) 44 
» 24 8 Y. 036 Snow, sunshine. 40 42 
15:5 D. :084 40 42 
» 25 10:5 G. 024 Very dull, 42 46 
13:5 D. 032 44 48 
» 26 10:5 V. 036 Very fine. 42 46 
13:5 D. :038 42 48 
» 27 10 R. :047 Very fine. 42 45 
14 D. 038 42 48 
» 28 9:5 Y. 035 Foggy, then fine. 42 44 
14:8 D. 039 42 48 
» 29 9 G. 039 Dull. 42 44 
15 D. 086 42 47 
» 3l 9 V. 046% Very fine. 42 | 45 
15 D. 049 42 46 
Feb. 1 10 ol. :041 A.M. dull, r.m. fine. | 42 46 
14 D. :045 44 50 
» 2 85 R. 044 Fine. 44 46 
15°5 D. :040 44 48 
» 8 9:5 Y. 042 Dull. 42 46 
[dying] 
Effects of Light. 
Arranging the preceding results under the different coloursf, 
they give the following mean losses per hour :— 
No. I. 
(Dec. 28, 1885, to Jan. 16, 1886.) 
ee gp | vy | @ | v. | o D. 
ean d o o Oo 0 [*] o o o o o o o 
and Max. | 417-447| 44-46. 41-5445 41-4477. 425442) 40-43 
Temps, 
u30 | 016 | o3 | 022 | 043 
021 | -030 | 027 | 032 | -ogo | Mean of 
010 | 029 | 020 | -016 | ogy | nineteen 
022 | 031 | 015 | -010 | -o2g |Observations: 
Mois ii... 21 | -028 | -019 | 020 | 033 020 
t The glasses used were the same as described in my former paper :—“ A Con- 
tribution to the Study of the Relative Effects of Different Parte of the Solar 
Spectrum on the Transpiration of Plants,” Journ. Linn. Soc. Bot. vol, xxii. p. 81. 
