Page. 



Importaiicf of pliosplioric acid to cliloropliyU formation, O. Loow 634 



Nariation in root jn-essiuti in different species, A.N.Prentiss 616 



Krt'ect of boracic acid on germination, J. Morel 635 



Apple scab in Ohio, F. Dctmers 620 



Potato scab, natnre and treatment, H. L. Bolley 619 



Potato scab and blight. L. F. Kinney 623 



Verbena mildew, treatment, L. H. Bailey 619 



Treatment of smuts of oats and wheat, W. T. Swiugie 631 



ENTOMOLOGY. 



The horn lly, M. V. Slingerhmd 617 



Variation in Hessian fly injury, C. W. Woodworth 600 



The use of gases against scale insects, F. W. Morse 601 



Spray and band treatment for codling nmth, C. W. Woodwoil h 600 



The spraying of orchards, W. .7. Green 620 



Farm practice and fertilizers to control insect injury, J. B. Smith 610 



Sclu)ol instruction in entomology in California, ¥j. J. Wickson 600 



SIKTEOliOLOGY. 



Meteorological observations at Massachusetts Hatch Station, .lannary, 1892, 



C. D. Warner 609 



Meteorological observations at Utah Station, 1891, J. H. Walker 625 



Meteorological observations at Wyoming Station, 1891, B. C". Bulfnm 630 



Meteorological work for agricultural institutions, M. W. Harrington 631 



WATER. 



Analyses of California waters 590 



SOILS, 



Soil tcMiperatures at Utah Station, ,J. H. Walker 625 



Analyses of California soils 590 



Analyses of rock, clay, marl, peat, and gypsum at Cali.o.uia St. .lion .590 



Analyses of soil at Utah Station, W. P. Cutter 624 



Investigations of " alkali" in soils, E. W. Hilgard and M. K. .lati'a 590 



Recent observations on the amount of sulphur in arable soil and on the nature 



of the compounds which it forms, Berthelot and Andre' 637 



Effects of different proportions of clay and of organic nitrogen on the fixa- 

 tion of atmospheric nitrogen, the conservation of nitrogen, and nitrifica- 

 tion, P. Pichard 636 



The spontaneous oxidation of humic acid and humus, Berthelot and Andre .. 635 



FERTILIZERS, 



Popular notes on the use of fertilizers, R, .1 , Redding . . . .' 607 



Composting in the heap vs. composting in the furrow, R. J. Redding 606 



Analyses of Canada ashes at Connecticut State Station 601 



Analyses of fertilizers in Rhode Island, H. J. Wheeler and B. L. Hartwell 622 



Fertilizer inspection in West Virginia, J. A. Myers 628 



Fertilizers in California, E. W. Hilgard 592 



CROPS — VARIETIES — COMPOSITION — EXPEIIIMEXTS. 



Experiments with fertilizers on barley grown for hay at the Sierra Foothill 



Substation in California 599 



Experiments with corn, wheat, and oats at Alabama College Station, J. S. New- 

 man and J . Clayton 589 



