756 



EXPERIMENT STATION RECORD. 



niarii'.'! of ol)scrvati<>iis during l!»02fin temperature, pressure, precipitation, liumidity, 

 eli)U(lineH.s, wind niovciiient, etc. 



Meteorological records for 1902 {Xcw York State Sfa. lij^t. 1903, jip. 448-4-56).— 

 Tables arc given whiili ,«iio\v tlic average monthly temperature and precipitation 

 since 18H2; the daily wind record for each month of 1902; a monthly summary of 

 till- direc-tion of the wind from January to May, inclusive; tridaily readings of the 

 standard air thermometer durfng each month of the year; a monthly summary of 

 maximum, minimum, and standard thermometer readings; and daily readings of 

 maxinnnn and minimum thermometers at 5 and (> p. m. for each month of the year. 



Meteorology [Ritp. Av. Stu. Agron. \^M(mritius], 1002, pp. 1-9). — Observations on 

 prcssuic, tcmix'rature, ami rainfall at Mauritius during 1902 are summarized and 

 compared in i)art with similar data for 1901. The mean temperature of 1902 was 

 22° C; the maximum .30°, in November; the minimum 11°, in August. The rain- 

 fall was 1,736.5 mm. (68.22 in.), of which 968.4 mm. fell during the night. The' 

 heaviest rainfall occurred during December, January, February, and March, varying 

 from 3.53 in. in March to 11.79 in. in December. For the rest of the year the 

 monthly rainfall varied from 1.46 in. in April to 2.64 in. in October and November, 

 averaging something over 2 in. 



Variations in the transparency of the atmosphere {Science, n. scr., 19 {1904), 

 No. 471!, p. ..'74). — In a brief summary of the report of the secretary of the Smith- 

 sonian Institution to the board of regents attention is called to observations with the 

 bolcTgraph which showed "a notable variation of atmosi>heric tran.«parency which is 

 likely to have affected climate and the growth of vegetation over a consideraljle part 

 of the earth's surface ... so that there seems renewed jjromise of progress toward 

 the goal 'for telling by such means those remoter changes of weather which affect 

 harvests.' " 



Forests considered in their relation to rainfall and the conservation of 

 moisture, J. H. Maiden {Jour, and Proc. Iloij. Sac. Neiv SontJi Wales, 36 {1902), ])}>. 

 211-..'40). — This is a discussion of the subject from the standpoints of (1) the effect 

 of forests and other vegetation in increasing the rainfall, and (2) their effects in con- 

 serving moisture. As a result of his experience of Australian forestry, the author 

 states that "taking an extensive territory, it appears to be indisputably proved that 

 forests do not increase rainfall; it is fully as well proved that they conserve the rain 

 that falls, and therefore every effort should be made to save them from minecessary 

 destruction." 



WATER— SOILS. 



Analyses of waters, G. E. Colby {California Sla. Bpt. 1902-3, pp. 66-83). — The 

 results of analyses of 275 samples of water examined with reference to their fitness 

 for domestic and irrigation purjioses are reported. A general summary of the results 

 is given in the following table: 



Nnmlier and (■haracter of sarnplex. of irate r e.v((mined. 



