5()2 



EXPERIMENT STATION RECORD. 



asci'iit AV 



away ( 



IS a.'^ follows: 



f tlic liiirlii'st kite." The fall of teiupcratnrc for each 500 ineters of 



Fatl of temperature in degrees centigrade for each 500 meters of ascent. 



"The range of fall for the first 500 meters varied from 4 to 1° C. The smallest fall 

 was associated with an inversion of temperature gradient not far from the surface. 

 An inversion of temperature gradient with very dry air above a layer of clouds was 

 shown also on one of the occasions of steejiest gradient near the surface. The steep 

 gradients observed in the lower strata are shown to be associated with anticyclonic 

 conditions preceding the approach of a depression, and by examples of live occasions 

 it is shown that tlie characteristic of the passage of a depression is that the isothermal 

 lines of the diagram oj^en out as the depression comes on, the average diminution of 

 gradient for the change of barometic condition amounting to as much as 50 ])er cent." 

 The average Crinan temperature gradient was almost identical with that given by 

 Hann, "and with the conventional correction in use in this country for the reduction 

 of temperature to a common level, viz, 1° F. per 300 ft." 



As regards the differences between the temperatures as observed in the free air 

 at the same height as the summit of Ben Nevis and those recorded on the mountain 

 itself, it was noted that "the differences are always in favor of the free air, which is 

 shown to be on the average 2.6° warmer than the mountain summit." 



Meteorology, J. L. Soutter et al. {Transc<tal Agr. Jour., 1 {1903), Xo. 2, pp. 

 55, 56) . — ^Monthly summaries are given of observations on rainfall and shade maxi- 

 mum and minimum temperatures (for Sept.-Nov. ) at Pretoria and Johannesburg 

 during 1902, and on rainfall at Vereeniging during the year ended Noveml)er 30, 1902. 

 The average monthly rainfall at Pretoria for the 10 years ended June 30, 1902, is also 

 reported. The average yearly rainfall at Pretoria during 10 years was 26.91 in.; the 

 rainy days 89, occurring mainly from November to March, inclusive. 



Meteorolog'y of New Zealand {Tram, and Proc. Nev: Zealand Inst., 35 {1902), 

 pj). 579-597.) — This cf)ntains a comparative summary of observations on pressure, 

 temi)erature, rainfall, wind movement, etc., for 1902 and 38 previous years at Aukland, 

 Wellington, and Dunedin; the average sj^ring, summer, autumn, and winter temper- 

 atures of 1901 and 1902 at these three places; brief remarks on the weather of each 

 month of 1902; a record of earthquakes reported during the year; and records of 

 Milne seismographs at Wellington and Christchurch during 1902. 



Org-anization of observations on agricultural meteorology at experiment 

 stations, B. B. Yiner {Trudl Syez. I)i/ei/at. Srlsk. Klioz. OpuHn. Dijelu.; ahs. in Zliur. 

 Ojniihi. A'jnni. [.hmr. Krj,f. Landir.], 4 {1903), No. 4, pp. 509, 510). 



Climate of the Argentine Republic, W. G. Davis {Buenos Ayrcs: Mhi. Agr., 

 1902, pp. 154, charts 26).—T^\\e text of the present work, which is i^rinted in Spanish 

 and English in parallel columns, "is essentially a reproduction of the chapter on 

 climate which appeared in the first volume of the Second Census of the Argentine 

 Kei)ublic (May 10, 1895), published in 1898, but the tabular values have been modi- 

 fied to correspond to the five years' observations made since the original article Avas 

 written. . . . The mean values, deduced from long series of observations made 



