1922.] Selected Contents of Periodicals. 



959 



Potash from Kelp, J. W . Turrentine and P. S. Shoaff. (Jour. Ind. & Eng. 



Cherai., Vol. 11 (1919), p. 864; Vol. 12 (1920), pp. 682 & 786; Vol. 13 



(1921), p. 605.) L63.165;- 668.6. J 

 Die Dungung der Wiesen nach den Ergebnissen von 4-14 jahrigen 



Versuchen, Prof. Dr. Paul Wagner. (Arb. der Dents. Landw. Gesells., 



Heft 308, 1921.) [63.16(04).] 

 The Evolution of Topographical and Geological Maps, T. Sheppard. 



(Kept. Brit. Assoc., 1920, p. 391.) [52; 55 : 912.] 

 Colloid Problems in Bread-Making, R. Whymper. (Kept. Brit. Assoc., 



1920, Appendix, p. 61.) [664.6.] 



Establishment of Eural Afjricultural Communal Libraries in France. 



(Compt. Kend. Acad. Agr., No. 24, 1921.) [371.] 

 Sur I'Agriculture polonaise, M. Jean Dybowski. (Compt. Kend. Acad. 



Agr., No. 24, 1921.) [63(4).] 

 Plant Breeding, T. Anderson. (Trans. H. & A. Soc. of Soot., Vol. xxxiii, 



1921. ) [575.4.] 



The Influence of Atmospheric Variations on the Weight of Bagged Wheat 

 (with graphs), F. B. Guthrie, G. W. Norris and J. G. Ward. (N.S.W. 

 Agric. Gaz., Vol. 32, Part 3, Mch., 1921.) [63.311(04).] 



Tield Crops. 



Pioot Development in Barley and Wheat under Different Conditions of 



Growth, W. E. Brenchley and V. G. Jackson. (Ann. Bot., Vol. 35, 



No. 140, Oct., 1921.) [63.311(04); 63.313.] 

 The Development cf the Flower and Grain of Barley, W. E. Brenchley. 



(Jour. Inst. Brewing, Vol. 26, pp. 615-632.) [63.313.] 

 A Comparative Study of the Composition of the Sunflower and Corn 



Plants at Different Stages of Growth, R. H. Shaw and P. A. Wright. 



(Jour. Agric. Kes., Vol. xx. No. 10, 1921.) [63.33(d); 612.394.] 

 Nettles as a Forage Crop, W. E. Brenchley. (Modern Farming, May, 



1921.) [63.33 (d).] 

 Spartina Problems, Pro/. F. W. Oliver. (Ann. App. Biol., Vol. vii. 



No. 1, 1920.) [58.2; 63.33(d).] 

 Biologic Vegetale. — Sur le pollen du Lin et la degenerescence des 



varietes cultivees pour la fibre, M. L. Blaringhem. (Compt. Kend. Acad. 



Sciences, Tome 172, No. 25, 1921, p. 1603.) [63.34111.] 

 Tobacco Growing in Ireland : The Experiments in 1920 (with a list of 



previous articles), G. N. Keller. (Jour. Dept. Agr. &c., Ireland, 



Vol. xxi, No. 2, 1921, p. 200.) [63.3461(04).] 

 Essais de sorgho et mais a sucre en vue de la production de I'alcool 



industriel effectues dans les Pyr^nees-Orientales en 1917, /. Ruby. 



(Ann. Sc. Agron., 37th year. No. 2, May-July, 1920.) [63.349.] 

 The Institute of Brewing Kesearch Scheme. — Keport I. — Breeding of New 



Varieties of Hops at Wye, Manurial Experiments, &c. (Jour. Inst. 



Brewing, July, 1921.) [63.3451.] 

 The Industrial Utilisation of the Potato, A. E. Harris. (Jour. Koy. Agr. 



Soc. Eng., Vol. 81, 1920.) [63.344; 63.512(04).] 

 Die Bewertung von Kartoft'elsorten nach ihrer Widerstandstraft gegen 



Krankheiten, H. W. WoUenweher. (Deuts. Landw. Presse, Jahr. 47, 



Nr.83, 1921, p. 569.) [63.512(04).] 



Pmit G-rowing. 



The " Running Off " of Black Currants, R. G. Hatton. (Jour. Pomology, 



Vol. ii. No. 3, 1921.) [63.41(c).] 

 Root Development in Newly Planted Trees, B. T. P. Barker. (Agr. and 

 Hort. Res. Sta., Long Ashton. Ann. Rept., 1920.) [63.41(04).] 



Plant Diseases. 



The Sources of Infection of Potato Tubers with the Blight Fungus, 

 Phytophthora infestans, Paul A. Murphy. (Sc. Proc, Roy. Dublin Soc, 

 Vol. 16 (N.S.), No. 29, Aug.. 1921.) [63.24.] 



Award of the Boyle Medal to Geo. H. Pethybridge, B.Sc, Ph.D. (with 

 a brief report of his investigations of potato blight — Phytophthora 

 infestans — and other work, and a list of papers oublished by him.) (Sci. 

 Proc. Roy. Dub. Soc., Vol. xvi (N.S.), No. 20, 1921.) [63.24.] 



Lightning Injury to Potato and Cabbage, C. R. Orton. (Phytopathology, 

 Vol. xi. No. 2, Feb., 1921.) [63.21.] 



