METEOROLOGY WATER. 713 



Weather forecasting, W. II. Dines (Nature [London], 92 (lOl/f), No. 2311, 

 pp. 650, 660). — The Importance and possibility of ultimately securing accurate 

 seasonal forecasts are discussed. The need for this pun^ose of further study of 

 the causes of cyclones and anticyclones is pointed out. 



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

 Weather Observ., 6 (1914), pts. 3, pp. 61-103, fujs. 13; //, pp. 107-19/,, figs. 33).— 

 These numbers contain the following articles: No. 3.— The Zodiacal Light 

 (illus.), by M. Hall; Does the Zodiacal Light Come from Any Part of the 

 Earth's Atmosphere? by C. Abbe; and Free Air Data at Mount Weather for 

 April, May, June, 1913 (illus.), by W. R. Blair. 



No. 4. — Observations on the Increase of Insolation with Elevation, by H. H. 

 Kimball, and Summary of the Free-Air Data Obtained at Mount Weather for 

 the Five Years, July 1, 1907, to June 30, 1912 (illus.), by W. R. Blair. 



Monthly Weather Review (Mo. Weather Rev., 41 {1013), Nos. 11, pp. 1630- 

 1797, pis. 9, figs. 6; 12, pp. 1799-1952, pis. 10).— In addition to the usual clima- 

 tological summaries, lake levels, weather forecasts and warnings for Novem- 

 ber and December, 1913, river and flood observations, lists of additions to the 

 Weather Bureau library and of recent papers on meteorology, a condensed 

 climatological summary, and climatological tables and charts, these numbers 

 contain the following special papers: 



No. 11. — Heavy Snowstorm in Ohio, West Virginia, and Southwestern Penn- 

 sylvania ; Storm of November 7-10 (on the Great Lakes), by J. 11. Armington; 

 Notes on the Rivers of the Sacramento and San Joaquin Valleys, by N. R. 

 Taylor; Notes on Streams and Weather of the Upper San Joaquin Watershed, 

 by W. E. Bonnett; and Variations in Rainfall in California (illus.), by W. O. 

 Reed. 



No. 12.— Climatic Summary for the Year 1913 (South Atlantic and East 

 Gulf States), by C. F. von Herrmann; Climatic Summary for the Year 1913 

 (Lake Region), by H. J. Cox; Notes on the Rivers of the Sacramento and 

 Lower San Joaquin Watersheds during the Month of December, 1913, by N. R. 

 Taylor; Notes on Streams of the Upper San Joaquin Watershed, by W. E. 

 Bonnett; and Notice of Change in the Publication of Climatological Data. 



Meteorolog-ical observations at the Massachusetts Agricultural Experi- 

 ment Station, J. E. Ostrandeb and E. K. Dexter (Massachusetts Sta. Met. 

 Bills. 301, 302, pp. 4 each). — Summaries of observations at Amherst, Mass., on 

 pressure, temperature, humidity, precipitation, wind, sunshine, cloudiness, and 

 casual phenomena during January and February, 1914. The data are briefly 

 discussed in general notes on the weather of each month. 



Evaporation from free water surfaces, Luedecke (Kulturtechnikcr, 17 

 (1014), No. 1, pp. 53-57, figs. 7). — The author briefly discusses the accuracy of 

 measurements of evaporation from free water surfaces and shows the differ- 

 ences in the results obtained by several observers. 



A plea for the exact measurement of rainfall, F. Flowers (So. African 

 Jour. ScL, 10 (1913), No. 4, pp. 81-86, fig. i).— It is maintained in this article 

 that the ordinary rain gages do not give the complete information required in 

 regions of torrential rainfall. The use of automatic gages is recommended. 



The fig-ht against hail, Audiffred et al. (Bui. Soc. Nat. Agr. France, 74 

 (1914), No. 1, pp. 64-91). — This is a review of methods used and results obtained 

 In different districts of France in efforts to afford protection against hail by 

 artificial means, particularly with the so-called " electric niagaras." 



Water storage and its advantages, A. C. Houston (Jour. Path, and Bact., 

 18 (1914), No. 3, pp. 851-364). — The author, by a series of experiments, defends 

 his views regarding the value of storage for reducing the bacterial content of 

 water supplies, as attacked by Coplaus, who maintains that in the absence of 



