316 EXPERIMENT STATION EECOED. 



culation of aqueous vapor from the soil to the surrounding atmosphere, and 

 agnin from the latter to the soil." 



Bulletin of the Mount Weather Observatory (U. 8. Dept. Agr., Bui. Mount 

 Weather Ohserv., 4 {1912), pis. 4, PP. 183S0J,, figs. 38; 5, pp. 305-395, figs. 24; 

 6, pp. 397-Jf56, figs. 13). — These numbers contain the following articles: 



Part If. — Free Air Data : Sounding Balloon Ascensions at Indianapolis, Omaha, 

 and Huron, by W. R. Blair. 



Part 5. — Vertical Temperature Gradients in Hawaii, by A. J. Henry ; Diurnal 

 Variation of Pressure at Point Reyes Light, by J. Jones ; The Temperature at 

 Mount Weather and Adjacent Valley Stations (illus.), by A. J. Henry; and 

 Free Air Data at Mount Weather for July, August, and September. 1911 (illus.), 

 by W. R. Blair. 



Part 6. — ^Dust Layers in the Atmosphere and Changes in the Neutral Points 

 of Sky Polarization, by W. J. Humphreys; The Upper Atmosphere (illus.), by 

 W. J. Humphreys; Echelon Clouds (illus.), by W. J. Humphreys; Review of 

 Busch and Jensen "On the Facts and Theories of Atmospheric Polarization," 

 by H. H. Kimball; and Free Air Data at Mount Weather for October, Ivcvem- 

 ber, and December, 1911 (illus.), by W. R. Blair. 



Monthly Weather Review {Mo. Weather Rev., J,0 {1912), Nos. 1, pp. 1-162, 

 pis. 10, figs. 3; 2, pp. 163-320, pis. 10, figs. 2).— In addition to the usual clima- 

 tological summaries, weather forecasts and warnings for January and Febru- 

 ary, 1912, notes on the application of upper-air observations to weather fore- 

 casting, January and February, 1912, river and flood observations, lists of 

 additions to the Weather Bureau library and of recent papers on meteorology 

 and seismology, condensed climatological summaries, and climatological tables 

 and charts, these numbers contain the following special papers : 



No. 1. — Hydroelectric Development at Tallulah Falls, Ga., by C. F. von 

 Herrmann; Climatic Charts of Savannah, Ga. (illus.), by J. deB. Kops; Winter 

 Damage to Peaches, by J. W. Smith; The Climate of the City and Country 

 Compared, by J. W. Smith ; Notes on the Rivers of the Sacramento and San 

 Joaquin Watersheds for January, 1912, by N. R. Taylor; A Study of Dry Sea- 

 sons in San Diego, by F. A. Carpenter ; Studies in Frost Protection — Effect of 

 Mixing the Air (illus.), by A. G. McAdie; and Report on the January, 1912, 

 Freshet in the Willamette River, by E. A. Reals. 



No. 2. — Storm of February 22, 1912. at New York City, by C. D. Reed; The 

 Average Stream Flow of the Coosa and Alabama Rivers, by C. F. von Herr- 

 mann; Smudging Against Frost; Storm of February 20. 1012, at Austin, Tex., 

 by A. Deussen ; The Cooperative Weather Bureau Observers of Utah, by J. C. 

 Alter; Notes on the Rivers of the Sacramento and San Joaquin Watersheds 

 during February, 1912, by N. R. Taylor; Weather at Fresno, Cal., during 

 February, 1912, by W. E. Bonnett ; Note on the Weather at Point Reyes Light, 

 Cal., during February, 1912, by J. Jones; Effect of Abnormal Weather Condi- 

 tions during the Construction of the Los Angeles Aqueduct, Abstracted from 

 Report of the Engineers, by A. G. McAdie; and Covering Almond Trees for 

 Frost Protection (illus.). by A. G. McAdie (see p. 345). 



The weather of the past agricultural year, F. J. Brodie {Jour. Roy. Agr. 

 Soc. England, 12 {1911), pp. 418-424). — The weather conditions for the British 

 Isles during 1911 are summarized in the usual form and compared with the 

 averages for previous years. The main characteristics of the weather of the 

 year were a deficiency of rainfall and excess of temperature and sunshine. 



The weather of Scotland in 1911, A. Watt {Trans. Ilighland and Agr. Soc. 

 Scotland, 5. ser., 24 {1912), pp. 337-349). — This report, like those of previous 

 years, "consists of (1) a general description of the weather over the Scottish 

 area from month to month; (2) a selection of rainfall returns, in which each 



