EXPERIMENT STATION RECORD. 



Vol. 37. Abstract Number. No. 6. 



RECENT WORK IN AGRICULTURAL SCIENCE. 



AGRICULTURAL CHEMISTRY— AGROTECENY. 



The essentials of chemical physiology, W. D. Halliburton {London and 

 New York: Longmans, Green d Co., 1916, 9. ed., pp. XI +324, Vl- 1, figs. 71).— 

 This is the ninth edition of this well-known work. Some additions have been 

 made, and the revision has been thorough so as to bring the volume up to date. 

 The work contains an introduction, elementary course, advanced course, and 

 appendix. The subject matter is treated both from a descriptive and experi- 

 mental standpoint. 



International catalogue of scientific literature. D — Chemistry {Internat. 

 Cat. Sci. Lit., 13 {1916}, pp. Till +836). — The thirteenth annual issue of this 

 catalogue (E. S. R., 34, p. 407). The material catalogued was received be- 

 tween September, 1913, and September, 1914. 



Annual chemical directory of the United States, 1917, edited by B. F. 

 Lovelace (Ann. Chem. Dir. U. S., 1917, pp. 305). — This volume contains alpha- 

 betically arranged lists of American manufacturers of chemicals and dealers 

 in chemicals ; American manufacturers of and dealers in apparatus and equip- 

 ment, machinery and mechanical supplies for scientific and technical labora- 

 tories, industrial plants and organizations ; professional chemical firms ; 

 Federal, State, municipal, industrial, and professional laboratories ; American 

 and foreign colleges offering courses in chemistry ; experiment stations of the 

 United States and the principal foreign stations ; Federal and State officials 

 of dairying, foods, drugs, health, and feeding stuffs ; American and foreign 

 technical and scientific societies ; American and foreign chemical publications ; 

 a chemical survey of 1916 ; and new devices, methods, and appliances for 

 handling industrial chemical problems. 



The physical properties of colloidal solutions, E. F. Burton {London and 

 New York: Longmans, Green & Co., 1916, pp. VII+200, figs. iS).— This mono- 

 graph considers the subject under the topics of preparation and classification 

 of colloidal solutions, the ultramicroscope, the Brownian movement, the optical 

 properties of colloidal solutions, measurement of the sizes of ultramicroscopic 

 particles, motion of colloidal particles in an electric field, cataphoresis, the 

 coagulation of colloids, theory of the stability of colloids, and practical appli- 

 cations of the study of colloidal solutions. A list of references is appended to 

 each chapter. 



The proteins of the peanut, Arachis hypog'iea. — II, The distribution of the 

 basic nitrogen in the globulins arachin and conarachin, C. O. Johns and 

 D, B. Jones {Jour. Biol. Chem., 30 {1917), No. 1, pp. 33-38).— The globulins 



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