500 Selected Contexts of Periodicals. [Aug., 1920. 



SELECTED CONTENTS OF 

 PERIODICALS. 



Agriculture, General and Miscellaneous— 



The Use of Agricultural Land, Sir R. H. Reio. (Nineteenth Century, 



May, 1920.) [63.] 

 The Formation of Nitrates in Soil, T. L. Lyon. (Soil Science, Vol. IX., 



No. 1, Jan., 1920.) [63.113.] 

 The Feeding of the United Kingdom, Sir R. H. Reiv. (Jour. R.A.S.E., 



Vol. 80, 1919.) [338.1.63(42).] 

 Economic de main-d'oeuvre agricole par I'eraploi de Machines et de 



methodes moderues, E. Leplae. (Revue Agronomique, Mars-Avril, 1920.) 



[33.63.17 (493).] 



Reaction of the Soil as influenced by the Decomposition of Green Manures, 

 L. P. Hoicard. (Soil Science, Vol. IX., No. 1, Jan. 1920.) [63.113.] 



Some Problems of Reconstruction in Agriculture, .4. Sinetham. (Jour, of 

 Royal Lanes. Agric. Soc, 1919.) [338.99.] 



Horticulture— 



Plant Sanitation in Fruit Plantations, F. T. Brooks. (Trans. Brit. 



Mycolog. Soc, Vol. VI., Part III., April, 1920.) [63.29.] 

 Science and Fruit Grovving. F. Keeble. (Edinburgh Review, April, 1920.) 



[63.41(42).] 



Live Stock— 



Le Cheptel francais et colonial a la fin de la guerre, G. Moussu. (Ann. de 

 rinst. Nat. Agr., Series II., Tome 14.) [63.6.33(44).] 



Open-Air Pig Breeding. M. J. Rowlands. . (National Review, April, 

 1920.) [63.64.] 



Plant Diseases- 

 Halo BHght of Oats, C. Elliott. (Jour. Ag. Res., A^ol. 19, No. 4.) [63.23.] 

 Amount of Copper required for the Control of Phvtophthora Infestans on 



Potatoes. 0. Butler. (Phytopathology, Vol. 10, No. 5.) [63.294.] 

 Biological Control of Mealybugs in California, H. S. Smith and H. M. 



Armitaqe. (Bull. Dept. of Agric. Calif., No. 4, Vol IX., April, 1920.) 



[63.29. 5T-.L73).] 



Insect Tj:!n-~!ii;-sion in Plpnt and Animal Diseases, F. V. Rand and 

 W. D. Pierce. (Phytopathology, No. 4. Vol. X.) [63.2.] 



On Forms of the Hop resistant to Mildew, E. S. Salmon. (Annals of 

 App. Bio.. Vol. 6. No. 4, April, 1920.) [63.3451.] 



Dairying and Food, General- 

 Pepsin versus Rennet in Che-semaking. H. M. Merger. (Jour, of Dairy 



Science, Vol. 11. , No. 6.^ [63.73.] 

 Milk and its Products, ^:--l-'iinio)!. (Jour, of Comm. Inst, of bci. and 



Ind.. A'ol. 2, No. 4, Aini. r.!2u.) [63-715.] 

 Mottles in Butter— Their Causes and Prevention. (Jour, of Dairy Science, 



Vol. III., No. 6.) [63.726.] 



Veterinary Science- 

 Intoxication nrovoquees par ' - aux d'arachides contenant de petites 

 qunntites de ricin, <7. .¥•• vnptes rendus des seances de 1 Acad. 

 d'Agric. de Fr., 5 May, VjSJ.) L-'A3.1, 63.604.] 



Engineering- 

 Rapid and Economical Methods of House Building : Pise de Terre, 



C Williams-Ellis. (Jour, of Commonwealth Inst, of Sci. and Ind., 



Vol. 2, No. 4, April, 1920.) [69.] 

 The History of the Silo, L. Carrier. (Jour. Amer. Soc. of Agrou., \ oi. 1^, 



No. 5.) [694.] 



