596 



Journal of Agricultural Research 



Vol. XIX 



Page 



Fixed intermediate in barley crosses S7S-S93 



Flea beetles. See Epitrix cucumeris. 



Folsom, Donald, and Schultz, E. S. (paper): 

 Transmission of the Mosaic Disease of Irish 

 Potatoes 315-338 



Formalin, prevention of injury to seeds by 

 presoak method 363-392 



Fortunella — 

 crassifolia, susceptibility to Pseudomonas 



ciiri 344, 345 



Hindsii, susceptibility to Pseudomonas 



ciiri 344, 345> 347. 348 



japonica, susceptibility to Pseudomonas 



ciiri 344;34S)348 



margarita, susceptibility to Psevdomonas 

 ciiri 344.34S.348 



Foxtail. See ChaetoMoa lutescens. 



Frederich, William J., and Peltier, George L. 

 (paper): Relative Susceptibility to Citrus- 

 Canker of Different Species and Hybrids of 

 the Genus Citrus, Including the Wild Rela- 

 tives 339-362 



Freezing, effect on — 



Bacterium coronafaciens 153 



composition of wheat 181-188 



Fulton, H. R. (paper): Decline of Pseudo- 

 monas citri in the Soil 207-233 



Fiuther Data on the Orange-Rusts of Rubus 

 (paper) S01-513 



Fiuther Studies on the Influence of Hiunidity 

 upon the Strength and Elasticity of Wool 

 Fiber (paper) 55-62 



Gas formation of Bacterium coronafaciens. . 157-158 



Genetics of Rust Resistance in Crosses of 

 Varieties of Triticum vulgare with Varieties 

 of T. durum and T. dicoccum (paper) 523-542 



Genetics, teosinte-maize hybrid 1-38 



Gentian, effect on milk and fat production. 125-130 



Germ- Free Filtrates as Antigens in the Com- 

 plement-Fixation Test (paper) S13-S15 



Germination of — 

 Gymnoconia inter stitialis, influence of tem- 

 perature 502-503 



seeds, effect of reaction of solution 73-96 



wheat, effect of formalin 366-379 



Gibberella saubinetii, production of conidia. 235-237 



Ginger, effect on milk and fat production. . 125-130 



Glucose in Bartlett pears 482-499 



Glycosmis pentaphylla, immunity to Pseudo- 

 monas ciiri 34J-346 



Gochenour, William S. (paper): Germ-Free 

 Filtrates as Antigens in the Complement- 

 Fixation Test 513-515 



Grama, blue. See Bouteloua gracilis. 



Grapefruit — 

 infection of roots by Pseudomcmas citri . . 231-223 

 See Citrus maxima. 



Grass — 

 alang-alang. See Imperata sp. 

 buffalo. See Bulbilis daciyloides. 



Greensand, effect of manure-sulphur on 

 availability of potassium 239-256 



Gymnoconia inter stitialis — 



color of spores 503-504 



germination 502-503 



morphology of aeciospores 504-507 



Page 



Halo-Blight of Oats (paper) 139-172 



Hannchen barley, daily development of 



kernels 393-430 



Hardy, J.I. (paper): Further Studies on the 

 Influence of Humidity upon the Strength 



and Elasticity of Wool Fiber 55-62 



Harlan, Harry V. (paper): Daily Develop- 

 ment of Kernels of Hannchen Barley from 

 Flowering to Maturity at Aberdeen, 



Idaho 393-430 



Harlan, Harry V., and Anthony, Stephen 

 (paper): Development of Barley Kernels 

 in Normal and Clipped Spikes and the 

 Limitations of Awnless and Hooded Varie- 

 ties 431-472 



Harlan, Harry V., and Hayes, H. K. (paper): 

 Occurrence of the Fixed Intermediate, 

 Hordeum intermedium haxtoni, in Crosses 

 between H. vulgare pallidum and H. dis- 



tichon palmella 575-593 



Harris, Arthtu" J. (paper): Practical Univer- 

 sality of Field Heterogeneity as a Factor 



Influencing Plot Yields 279-314 



Hayes, H. K., and Harlan, Harry V. (paper): 

 Occurrence of the Fixed Intermediate, 

 Hordeum intermedium haxtoni, in Crosses 

 between H. vulgare pallidum and H. dis- 



tichon palmella 575-592 



Hayes, H. K., Parker, John H., and Kurtz- 

 weil, Carl (paper): Genetics of Rust Resist- 

 ance in Crosses of Varieties of Triticum vul- 

 gare with Varieties of T. dunun and T. 



dicoccum 523-542 



Hays, Frank A., and Thomas, Merton G. 

 (paper): Effect of Drugs on Milk and Fat 



Production 123-130 



Hesperihusa crenulata, susceptibility to 



Pseudomonas citri 343. 345) 347. 348 



Heterogeneity in fields — 

 influence on yield of— 



alfalfa hay 286-291 



com 296-299 



hops 295 



kherson oats 294 



mangolds 284 



nitrogen content of wheat 294-295 



orchard crops 299-300 



potatoes 284-286 



ragi 291-294 



rice 295-296 



timothy hay 286 



wheat 291 



physical and chemical basis 300-311 



Hooded barley, limitations 431-472 



Hordeum. — 

 distickon palmella — 



cross with H. vulgare pallidum 575-592 



zeocrilon, intermediate 576 



intermedium haxtoni, in barley crosses 575-592 



jubaium, host of Puccinia graminis iritici. . . 270 

 vulgare — 



host of Puccinia glumarum 258 



pallidum, crossvn\h.H.disiichon palmella 575-592 

 Humidity, effect on strength and elasticity of 

 wool fiber 55-62 



