42 BULLETIN 6 2, HAWAII EXPERIMENT STATION 
(16) Dennett, J. H. 
1028. A COMPARISON OF THE ROBINSON, INTERNATIONAL, AND BOUYOUCOS 
METHODS OP MECHANICAL ANALYSIS ON NON-ORGANIC SOILS AND 
THE ANALYSIS OF SUCH SOIL WITH AND WITHOUT PRELIMINARY 
treatment with hydrogen peroxide. Malayan Agr. Jour 16- 
374-377. 
(17) Farden, C. A. 
1929. soil moisture characteristics. Pineapple News 3(10) : 151-157, 
illus. 
(18) Fermor, L. L. 
1911. what is laterite? Geol. Mag. (n. s.) (Decade 5) 8:454^62 
507-516, 559-566. 
(19) Hartung, W. J. 
1926. the functions of paper mulch in pineapple culture. 31 p., 
illus. Honolulu. 
(20) Joseph, A. F., and Snow, O. W. 
1929. the dispersion and mechanical analysis of heavy alkaline 
soils. Jour. Agr. Sci. [England] 19: [106]-120, illus. 
(21) Kelley, W. P., McGeorge, W. [T.], and Thompson, A. R. 
1915. the soils of the Hawaiian islands. Hawaii Agr. Expt. Sta. 
Bui. 40, 35 p. 
(22) Lang, R. 
1915. VERSUCH einer exakten klassifikation der boden in klimati- 
scher und geologischer hinsicht. Internatl. Mitt. Bodeuk. 
5: [312]-^46, illus. 
(23) Lyon, T. L., and Buckman, H. O. 
1929. THE nature and properties of soils ; A college text of edaph- 
ology, Rev. ed., 428 p., illus. New York. 
(24) McGeorge, W. T. 
1917. composition of Hawaiian soil particles. Hawaii Agr. Expt. 
Sta. Bui. 42, 12 p. 
(25) Martin, F. J., and Doyne. H. C. 
1927. laterite and lateritic soils in sierra leone. Jour. Agr. Sci. 
[England] 17: [530]-547, illus. 
(26) Middleton, H. E. 
1927. the adsorption of water vapor by soils and son. colloids. 
First Internatl. Cong. Soil Sci. Proc. and Papers 1:455. 
(27) Mitscherlich, E. A. 
1923. BODENKUNDE fur land und forstwirte. Aufl. 4, neubearb., 339 p., 
illus. Berlin. 
(28) Puri, A. N., and Amin, B. M. 
1928. A COMPARATIVE STUDY OF THE METHODS OF PREPARATION OF THE 
SOIL FOR MECHANICAL ANALYSIS, WITH A NOTE ON THE PIPETTE 
method. Agr. Research Inst., Pusa, Bui. 175, 15 p., illus. 
(29) Rather, J. B. 
1918. AN ACCURATE LOSS-ON-IGNITION METHOD FOR THE DETERMINATION OF 
organic matter in soils. Jour. Indus, and Engin. Chem. 
10: 439-442, illus. 
(30) Robinson, G. W. 
1922. A NEW METHOD FOR THE MECHANICAL ANALYSIS OF SOILS AND OTHER 
dispersions. Jour. Agr. Sci. [England] 12: [306]-321, illus. 
(31) Robinson, W. O., and Holmes, R. S. 
1924. THE CHEMICAL COMPOSITION OF SOIL COLLOIDS. U. S. Dept. Agr. Bui. 
1311, 42 p. 
(32) Steinkoenig, L. A., and Fry, W. H. 
1917. variation in the chemical composition of soils. U. S. Dept. 
Agr. Bui. 551, 16 p., illus. 
(33) Shaw, C. F. 
1925. two unusual colloidal soils. Soil Sci. 20 : 419-423. 
(34) Steele, [J. G.] 
1929. variation in the colloids in ohio soil profiles. Ohio Agr. Expt. 
Sta. Bui. 431 : 31. 
(35) Warington, R. 
1900. lectures on some of the physical properties of soil. 231 p. 
Oxford. . 
