416 EXPERIMENT STATION RECORD. 



nientod sufficiently to he coiisulcrcd as boconiiii}: 'hard' or 'sour.' The ciders 

 were found to have suffered no deterioration (with the exception of the Tol- 

 ruan), but rather had become more palatable during storage." 



Organoleptic tests and chemical analyses are included. 



Home manufacture of cider vinegar, L. L. Van Slyke {Mo. lid. Hort. Ilnl. 

 1, J)]). 1')). — A description of the manufacture of cider vinegar with a discussion 

 of the whys and wlHMH'fores of the various stejis in the iirocess. 



Manufacture of dry tomato conserve (liol. Sor. Fomoito Fahrll \VhUc^, 26 

 [I'.Hl'J) So. 11. IK 5(1J). — A brief general description of the i)rocess. 



Relation between the nitrogren content of barley and the extract yielded 

 by the malt, J. Fries {Ztschr. (tcsam. Brauw., 32 il'MU), pi). 500-503; abs. in 

 Jour. 8oc. Chem. Indus., 28 (1909), No. 20, p. 1098).— The content of nitrogen in 

 TOO samples of 1908 barley was compared with the extract yielded by the 

 manufactured malt. The results indicate that with a high protein content in 

 the barley there is a corresponding decrease in the yield of extract in the 

 resulting malt. 



The amount of spirits extracted from a ton of raisins, A. J. I'erkins (Jour. 

 Dci)t. Ayr. So. Atist., 13 {1909), No. 3, pp. 193-198) .—In 3 experiments with 

 first-grade raisins, yields of 155.17 gal., 147.21 gal., and 153.77 gal. of proof 

 spirits per ton were obtained. Similar experiments with second-grade raisins 

 gave yields of 135.47 gal., 133.51 gal., and 137.94 gal. The author makes a 

 reply to his critics and gives suggestions for the handling of raisins for 

 distillation. 



By-products of cotton seed and their utilization, C. Beadle and H. P. 

 Stevens {Jour. Soc. Chcm. Indus., 28 {1909), Xo. 19, pp. 1015-1020, fig. 1).— 

 This is a description of the use of cotton-seed hulls for paper making and 

 cattle feeding. 



METEOROLOGY— WATER. 



Agricultural meteorology, E. G. Locke, edited and supplemented by B. I. 

 Sreznevski {SeVskokliozyalstvennaya Meteorologhiya. Yuryev, 1908, pp. 3)8; 

 rev. in Zhur. Opuitn. Agron. {Russ. Jour. Expt. Landw.), 10 {1909), No. 3, pp. 

 JfJiS, ■i44)- — The work contains the following chapters: The pi'oblems of agri- 

 cultural meteorology and the organization of observations, weather forecasting 

 and service, popular signs regarding the weather, phenological observations, 

 composition and chemistry of the air, influence of the meteorological factors 

 on plants, temperatui'e of the air, temperature of the soil, humidity of the soil, 

 influence of humidity on plants, precipitation — origin, distribution, and in- 

 fluence on crops, protection against droughts and hail, evaporation by plants, 

 the wind and dust phenomena, insolation, diffused light and influence of cloudi- 

 ness, consumption of light according to Wisner, significance of the color of the 

 rays, electricity, relations between growth and yields, and the general condi 

 tions of the weather. 



Wind and weather, L. Weber {Wind und Wetter. Leipsic, 1909, 2. ed., pp. 

 IV-\-116, figs. 28, dgms. 3). — This is a second revised edition of this manual 

 which summarizes iu small space the more important principles and facts 

 relating to meteorology. 



Frosts and hail, A. Rolet (Les Gelees et la Grele, Guide pour la Defense et 

 la Protection des R^coltes, a VUsage des Viticulteurs, Horticulteurs, Agricul- 

 teurs. Paris, [1909}, vols. 1, pp. 121/; 2, pp. 127). — This book is designated as 

 a guide to the defense and pi'otection of crops, for the use of viticulturists. 

 horticulturists, and agriculturists. The various practical methods which have 

 been proposed for the protection of crops against frosts and hail are described, 



