Apr. i-Sept. IS, 1921 



Index 



597 



Page 

 Hungerford, Charles W. (paper): Rust in 



Seed Wheat and Its Relation to Seedling 



Infection 257-278 



Hybrid, teosinte-maize 1-38 



Hybrids, "false," susceptibility to Pseudo- 



monas citri 359 



Hydroxid, sodium, effect on germination and 



growth 74~96 



Imperata — 



cylindracea, resistance to Sderospora philip- 

 pinensis 104 



sp., resistance to Sderospora javanica 105 



Indol production by Bacterium coronafadens . 151 

 Influence of Fermentation on the Starch Con- 

 tent of Experimental Silage (paper) 173-179 



Insect transmission of — 



corn mosaic 520-521 



sugar-cane mosaic 131-138 



Intermediate, fixed, in barley crosses 575-592 



Investigations in the Ripening and Storage 



of Bartlett Pears (paper) 473-500 



Irish potato. See SolanuTn luberosum. 

 Johann, Helen, and Dickson, James G. 



(paper): Production of Conidia in Gibber- 



ella saubinetii 235-237 



Juniper berries, effect on milk and fat produc- 

 tion 125-130 



Kempton, J. H., and Collins, G. N. (paper): 



ATeosinte-Maize Hybrid 1-38 



Kernels, barley — 



daily development 393-430 



development in normal and clipped 



spikes 431-472 



Koeleria cristata on northern Great Plains. . . 65-72 



Kinnquat. See Fortunella spp. 



Kunkel, L. O. (paper): Further Data on the 



Orange-Rusts of Rubus 501-512 



Kurtzweil, Carl, et al. (paper): Genetics of 



Rust Resistance in Crosses of Varieties of 



Triticum vulgare with Varieties of T. 



duriun and T. dicoccum S23-S''2 



Ladnaria pundata on northern Great Plains. 65-72 

 Laduca sparsifolia on northern Great Plains. 65-72 

 Lansium domesticum, susceptibility to Pseu- 



domonas diri 34' 



Laptinotarsa decemlineata, failure to transmit 



potato mosaic 329 



Lavanginae, susceptibility to Psextdomonas 



dirt 343 



Leafhopper, sharp-headed grain. See Drae- 



culacephala molipes. 

 Lee, H. Atherton (paper): Behavior of the 



Citrus Canker Organism in the Soil 189-206 



Lime— 



air-slaked, effect on milk and fat produc- 

 tion 125-130 



inefiBcacy in preventing seed injury from 

 formalin 363-392 



milk of, effect on germiaation of wheat 379 



Linie. See Citrus aurantifolia. 



Limelo, susceptibilicy to Pseudomonas diri. . 356 



Limequat, susceptibiUty to Pseudomonas 



diri 356 



Limonia glutinosa. Syn. Chaetospermum 



glutinosum. 



Page 



Line-Selection Work with Potatoes (paper). 543-573 



" Loco weed." See Oxyiropis lamberii. 



Magnesium — 



oxid in greensand 244 



sulphate, effect on germiaation and growth . 74-96 



Magness, J. R. (paper): Investigations in the 

 Ripening and Storage of Bartlett Pears. . 473-500 



Maize — 



hybrid with teosinte 1-38 



See Zea mays. 



Malcomson, A. W., and Ashby, R. C. (paper): 

 Variation of Individual Pigs in Economy 

 of Gain 225-234 



Malic acid. See Acid, malic. 



Manchuria barley, effect of removing awns. 432-453 



Manure-sulphur composts, effect on availa- 

 biUty of potassium of greensand 239-256 



McCall. A. G., and Smith, A. M. (paper): 

 Effect of Manure-Sulphur Composts upon 

 the AvailabiUty of the Potassium of Green- 

 sand 239-256 



McCool, M. M., and Millar, C. E. (paper): 

 Effect of Calcium Sulphate on the Solu- 

 bility of Soils 47-54 



Mcllvaine, T. C, and Salter, Robert M. 

 (paper): Effect of Reaction of Solution on 

 Germination of Seeds and on Growth of 

 Seedlings 73-96 



Mealy bug, sugar-cane. See Pseudococcus 

 boninensis. 



Mdia azedarach, immunity to Pseudomonas 

 dtri 341 



Melicope iriphylla, susceptibility to Pseudo- 

 monas dtri 345) 346 



Microdtrus — 

 australasica — 



susceptibility to Pseudomonas dtri 344, 



345. 347. 348 

 var. sanguinea, susceptibility to Pseudo- 

 monas dtri 344, 345, 347 



australis, susceptibility to Pseudomonas dtri 344, 



345.347.348 

 Carrowayi, susceptibiUty to Pseudomonas 



dtri 344.345-347 



Mildew, Philippine downy. See Sderospora 

 philippinensis. 



Milk production, effect of drugs 123-130 



Millar, C. E., and McCool, M. M. (paper): 

 Effect of Calciimi Sulphate on the Solubility 

 of Soils 47-54 



Moisture — 



relations of Bacterium coronafadens 151 



soil, influence on persistence of Pseudo- 

 monas dtri 214-217 



Mosaic Disease of Com (paper) 517-323 



Mosaic — 

 Irish potato — 

 transmission by — 



grafting 3^9-3«o 



insects 326-332 



plant juice 320-326 



soil harboring 335-337 



sugar-cane, artificial and insect transmis- 

 sion 131-138 



Moznette, G. F. (paper): Banana Root-Borer 39-46 



