SOILS- FERTILIZERS. 839 



The second pari discusses the general chemical properties of soils and chemical 

 analysis of soils. The third pari deals witb the properties of soils in place and 

 their variation under natural c litions, and classification of soils. 



The attempl has been made to incorporate in the treatise the more importanl 

 results of previous investigations (mainly German and French) on the physics 

 .'ml chemistry of soils, including those of the author, especially the application 

 of bis method of determining the heal generated when soils are moistened 

 (Benetzunyswarme) in the study of the physical properties of soils (E. S. R., 

 13, p. 833; ll. p. 127; 17. p. 745). 



Classification and nomenclature of cultivated soils, II. Lagati i Inn. 

 ticole Wat. \'/r. Uontpellier, n. ser., 5 (1906), Vo. 3, pp. 193 '.<<). fig*. 3). This 

 article consists of reprints of 3 shorter articles which have already been noted 

 from another source (E. S. R., 17, pp. 113, 226). 



The soil survey of Illinois, < '. II. Oathout (111. Apr., 10 (1905), No. ). pp. 

 105 107). A brief accounl is given of 1 1 1 * * soil survey of the State, begun in 

 cooperation with the Bureau of Soils of this Departmenl and recently continued 

 independently by the station. The methods pursued in making surveys, col- 

 lecting and examining the samples, and in testing typical areas by means of 

 plal experiments are described. 



Soils of the Bahama Islands, ( '. X. Moonev (Separate from The Bahama 

 Islands. Weic York and London: The Macmillan Co., 1905, pp. 147-181, pis. 

 8). — This is an accounl of ;i reconnaissance and survey of the soils of these 

 islands under the auspices of the Geographical Society of Baltimore. "The 

 area surveyed and mapped amounted in all to aboul 7<><> square miles, and 

 included five islands and a few small cays, viz: New Providence, Eleuthera, <'at. 

 Long and Watlings islands, and Rum ("ay and the cays adjacent to New Provi- 

 dence and Eleuthera." 



The report discusses the agricultural development, climate, geology, soil types. 

 methods of cultivating and cropping, and important crop and soil problems. 



"As the geological formation and physiographic features of all the islands 

 are the same, a great diversity <>f soil types is not found. In all 7 types of soil 

 are recognized, as follows: Coral sands. Bahama black loam. Bahama sandy 

 loam, Bahama red loam. Bahama marl, brackish swamp, and Bahama white 

 marl." These 7 types are described in detail. Accompanying the descriptions of 

 each type are mechanical analyses made by the method of the Bureau of Soils 

 of this Departmenl and chemical analyses made by the methods of the Associa- 

 tion of Official Agricultural Chemists. Analyses of the water-soluhle salts hy 



methods proposed hy the Bureau of Soils are also given. 



With the exception of the coral sand, which occupies a narrow strip along the 

 coast, the soils of the islands are generally of a rocky character, underlaid at a 

 variable hut generally slight depth hy coralline limestone. The Bahama black 

 loam, which is known as ••provision land." and varies from a loose brown to a 

 jet black loam consisting of rounded grains of coral sand with a large per 

 centage of organic matter, is the principal type on the islands, occupying 

 approximately three-fourths id" their area. The soils as a ride ate well supplied 

 with plant food, in many cases being very rich. The agriculture of the 

 islands, however, is in a depressed condition. 



The soils of the Rhenish Palatinate and their relation to geological 

 formations, 10. Blanck (Vrtljschr. Bayer. Landto. />''//.. /" (1905), \ ". •>'. /»/<. 

 '//•' //"»• — The mineralogical and chemical properties of the rocks from which 

 these soils are derived and the varying characteristics of the soils derived 

 from their disintegration are discussed, the chemistry of the weathering pro- 

 cesses receiving especial attention. 



