METEOROLOGY WATER. 419 



second volume of the tbird revised and enlarged edition of the Handbook of 

 Climatology (E. S. R., 20, p. 1013) and deals with climate of the Tropics. 



The introductory chapter discusses the general character of tropical climate. 

 A special section deals with physiological action on the human organism, par- 

 ticularly that of the white man, noting advances in tropical medicine. There is 

 taken up in succession the climate of West Africa and the Congo, East Africa 

 and the Sudan, the monsoonal area of Asia and North Australia, the Pacific 

 islands, and tropical America. 



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

 Weather Observ,, 2 {1910), pt. 6, pp. 347-J,10, figs. 8, charts 6; 3 {1910), pt. 1, 

 pp. 1-68, pis. 2, figs. 3, charts 6). — These numbers contain the following articles: 



Vol. 2, pt. 6. — The Upper Atmosphere, by J. H. Jeans; The Changes of the 

 Wind with Altitude (illus. ), by A. J. Henry; Note on the Interpretation of 

 Laine's Rainbow Observations, by W. J. Humphreys; and Upper Air Data for 

 October, November, and December, 1909 (illus.), by W. R. Blair. 



Vol. 3, pt. 1. — Some Effects of Heavy Pressure on Arc Spectra (illus.), by 

 W. J. Humphreys ; and Free Air Data for January, February, and March, 1910 

 (illus), by W. R. Blair. 



Monthly Weather Review {Mo. Weather Rev., 38 {1910), Nos. 4, pp. 507-668, 

 figs. 10, charts 3J, ; .5, pp. 669-828, figs. 6, charts 3Jf).— In addition to the usual 

 climatological summaries, weather forecasts and warnings for April and May, 

 1910, river and flood observations, lists of additions to the Weather Bureau 

 library and of recent papers on meteorology and seismology, a condensed cli- 

 matological summary, and climatological tables and charts, these numbers eon- 

 tain the following special papers: 



No. 4- — The Work of the Water Resources Branch of the United States 

 Geological Survey in the Ohio River Valley, by A. H. Horton ; Ice Conditions 

 on the Great Lakes During the Winter of 1909-10, by N. B. Conger ; The Flood 

 of July 10-20, 1909, in the lower Missouri Valley (illus.), by J. W. Smith; 

 Cooperative Investigations of Water Supply and Its Relations to the Develop- 

 ment of Central Oregon, by J. C. Stevens; Irrigation in the Willamette Valley, 

 by J. H. Lewis; The Idagon Irrigation Project (illus), by B. L. Wells; and 

 A Method for Reducing a Short-record Temperature Mean to the 33-year 

 Normal, by F. H. Bigelow. 



No. 5. — Low Waters in the Rivers of Southern ]Mississippi during the Spring 

 of 1910, by F. Montgomery ; Stream Flovi^ of the Ocmulgee and Oconee Rivers 

 in Georgia, by W. A. Mitchell ; The Reclamation of Minnesota's Waste Lands, by 

 G. A. Ralph (see p. 490) ; Relation of Deforestation to Precipitation and Run-off 

 in Wisconsin (illus.), by W. C. Devereaux (see p. 443) ; The Work of the Weather 

 Bureau and Its Relation to Engineering, by J. W. Smith ; The Pathfinder Dam 

 and Reservoir, Wyoming, with Reference to the Catchment Area and Its Water 

 Supply (illus.), by L. V. Branch; Protection of Fruits from Frost, etc.; Experi- 

 mental Determination of the Relation of Forests to Stream Flow, by F. H. 

 Brandenburg (see p. 443) ; Complete Proving of the Roosevelt Dam, by L. N. 

 Jesunofsky; Spiders and Anticyclonic Winds, by F. A. Carpenter; Hydrographic 

 Data of the Sacramento River (illus.), by W. B. Clapp; and The Idaho Irriga- 

 tion Project, by E. L. Wells. 



Relation of the farmer to the Weather Bureau. L. A. Merrill {Mo. Weathpr 

 Rev., 38 (1910), No. 1. pp. 119, 120). — The value of meteorological observations 

 for the arid farmer, fruit grower, and irrigation farmer is briefly discussed, and 

 the establishment of more stations than are now in existence is urged. 



Meteorological observations at the Massachusetts Agricultural Experi- 

 ment Station, J. E. Ostrander and C. M. Damon {Massachusetts Sta. Met. Buls. 

 257, 258, pp. 4 eacft).— Summaries of observations at Amherst, Mass.. on pres- 



