CONTENTS. Ill 



Page. 



Influence of precipitation on efficiency of commercial fertilizers, Grohmann. 920 



Some results of the use of chemical fertilizers in Carnia, Honomi 921 



Investigations on the composition of Peruvian guano, Maschhaupt 921 



Studies on the preparation of nitrate, Jorgensen 921 



Experiments on the action of nitrate of soda, ammonium salts, lime nitrogen, 



nitrogen lime, and the Norwegian lime niter, Schneidewind et al 921 



Th(^ comparative fertilizer value of calcium cyanamid, ca4cium nitrate, ammo- 

 nium sulphate, and sodium nitrate, Nazari 922 



Lime nitrogen, sulphate of ammonia, and nitrate of soda, Tancre 923 



Contribution to the ammonia question, I, Ehrenix-rg 923 



The injurious effects of crude ammonia in vineyards, IJerget 923 



Ammonium sulphate, Lloyd and Bonelli 923 



The production of ammonium sulphate, Atwater 924 



Utilization of atmospheric nitrogen in production of calcium cyanamid, Frank. 924 



The ammoniacal fermentation of cyanamid, Ulpiani 924 



Experiments with calcium cyanamid, Bonomi 924 



Lime nitrogen and its changes in the soil, Do Kruijff 924 



Is it ec-onomically expedient to use potash fertilizers? l^onomi 925 



Raw rock phosphate 925 



Statistics of the ])roducti(m of y)hosphates in 1908, Maizieres 925 



Withdrawal of western phosphate lands for protection of the industry 925 



Florida phosphate deposits, Sellards 925 



The phosphates of Tunis, Maizieres 925 



The manufacture of superphosphate, (Jrueber 925 



A test of manganese as a fertilizer, Bonomi 925 



The fertilizing value of ashes, Pont 926 



On the use of bracken as litter, Russell 926 



A novel fertilizer industry, Judson 926 



Fertilizer inspection, Woods and Bartlett 926 



Analyses and valuations of commercial fertilizers and bone, Cathcart et al. . . . 926 



Inspection of fertilizers, Van Slyke 926 



Analyses of fertilizers, fall, 1907, and spring, 1908, Kilgore et al 926 



Complete report on commercial fertilizers for 1908, Stewart and Hite 926 



Fertilizer control laws, Welch 926 



AGRICULTURAL I50TANY. 



The heredity of acquired characters in plants, Ilenslow 927 



A laboratory course in plant physiology, Ganong 927 



An introduction to experimental i)lant morphology, Goebel 927 



The absorption of rain and dew by the green parts of |)lants, Henslow 927 



Root development, Booth 927 



Some chemical processes in the germination of seed, Scurti and Parrozzani 927 



The transformation of cyanogenetic glucosids during germination, Guignard. . . 927 



Notes on plants containing hydrocyanic acid, ( 'ouperot 928 



On the action of some organic substances on plants, Ciamician and Ravenna. . 928 



The effect of alkaloids on regeneration in the scarlet runner bean, Morgulis 928 



Studies on solanin from sprouts and flowers of th(> potato, Colombano 929 



The influence of aluminum salts on protoplasm, Fluri 929 



Effects of the rays of radium on plants, Gager 929 



Influencing the growth of plants by electricity, lireslauer and Schmidt 930 



On wind injury to plants, Noll 930 



The formation of red wood in conifers. White 930 



The distribution and occurrence of races of mistletoe in Bavaria, von Tubeuf.. 930 



FIELD CROPS. 



Agricultural experiment", Ward, Bayley, and Dunstan 931 



Work with field cnms, Hall 931 



Report on field trials on the manuring of seeds hay, Blackshaw ' 931 



Dates of seeding winter grains, Ilutcheson 932 



Report on a field trial with varieties of barley 932 



The blue gra.ss of southwest Virginia, Ellett 932 



Selecting seed corn, ( 'arrier 932 



Cotton culture in Palembang, (Jutteling 932 



Supply and distribution of cotton for the year ending August 31, 1908, Roper 932 



