Oct. i, 1920-Mar. 15, 1921 



Index 



897 



Page 



Globulin in potato protein 624 



G locos poriu m — 



fruciigenum, growth of hyphae 703 



limetticolum, parasite of Citrus medica 724 



Glomerella cingulata, relation to Colle/otri- 



chuin gloeosporioid.es 725 



Glucose, effect on hydrolysis of starch by 



Rhizopus triiici 768-769 



Glutaminic acid. See Acid, glutaminic. 



Glyceria aquatica, host of Gibberella saubinetii. 16 



Goldenrod. See Solidago spp. 



Gonatopus contortulus, host of Eutetiix tenella 251 



Goniobasis, akin to Melania 198 



Goniobasis plicifera, susceptibility to copper 



salts 199 



Gram-negative bacilli in canned ripeo lives 377-379 



Gram -positive bacilla in canned ripe olives 377-379 



Grapefruit. See Citrus decumana and C. 

 grandis. 



Grass, bugang. See Saccharum spontaneum. 



Grasses, hosts of Gibberella saubinetii 1-32 



Green Feed versus Antiseptics as a Preven- 

 tive of Intestinal Disorders of Growing 

 Chicks (paper) 869-873 



Grouseberry. See Viburnum americanum. 



Growth, effect on composition of potato tu- 

 bers, skins, and sprouts 632-634 



Growth of plants, influence of cold 151-160 



Gyneria, host of Gibberella saubinetii 16 



Gypsum, effect on — 



availability of potassium 616-617 



growth of rice 40-42 



Hahn, Glenn G., Hartley, Carl, and Rhoads, 

 Arthur S. (paper): Hypertrophied Lenti- 

 cels on the Roots of Conifers and Their Re- 

 lation to Moisture and Aeration 253-266 



Hansen, Roy, and Lohnis, P. (paper): Nod- 

 ule Bacteria of Leguminous Plants 543-556 



Harris, J. Arthur, and Scofield, C. S. (paper): 

 Permanence of Differences in the Plots of 

 an Experimental Field 335-356 



Harter, L. L. (paper) : Amylase of Rhizopus 

 tritici with a Consideration of Its Secretion 

 and Action 761-786 



Hartley, Carl, et al. (paper): Hypertrophied 

 Lenticels on the Roots of Conifers and Their 

 Relation to Moisture and Aeration 253-266 



Hawkins, Lon A.,andMagness, J. R. (paper): 

 Some Changes in Florida Grapefruit in 

 Storage 357-373 



Heather. See Calluna vulgaris. 



Hedera helix, composition of green and albino 

 leaves 179 



Heilipus — 



lauri, avocado weevil 111-116 



persae, new avocado weevil 1 1 1-1 16 



pittieri, avocado weevil 111-116 



Heinrich, Carl (paper): Some Lepidoptera 

 Likely to Be Confused with the Pink 

 Bollworm 807-836 



Heliotkis — 



armiger. Syn. H. obsoleta. 

 (Chloridea) — 

 obsoleta, similarity to Pectinophora gos- 



sypiella 833 



virescens, similarity to H. obsoleta 833 



Helix pomatia, copper content of body 200 



Hendry.Mary F., and Johnson, Alice (paper): 



Carbon-Dioxid Content of Barn Air 405-408 



Heterogeneity in experimental plots 335-356 



Hibiscus — 

 esculenlus, food plant of — 



Crocidosema plebeiana 823 



Platynota rostrana 821 



lasiocarpus, food plant of — 



Gelechia hibiscella 810-811 



Pectinophora gossypiella 807-836 



militaris, food plant of — 



Crocidosema plebeiana 822 



Gelechia hibiscella 810-811 



rosa-sinensis, food plant of Crocidosema ple- 

 beiana 822 



Hickman, C. W., et al. (paper): Sunflower 

 Digestion Experiment with Cattle and 



Sheep 881-888 



Highbush blueberry. See Vaccinium coryin- 

 bosum. 



Histidin in potato protein 624 



Hoagland, D. R., and Martin, J. C. (paper): 

 Effect of Season and Crop Growth on the 



Physical State of the Soil 397-404 



Hoagland, D. R., Martin, J. C, and Stewart, 

 G. R. (paper) : Relation of the Soil Solution 



to the Soil Extract 381-395 



Holcocera — 



confamulella, n. so 818-819 



mode stella, similarity of H. confamulella 819 



ochrocephala, similarity to Pectinophora 



gossypiella 818 



Holly. See Ilex aquifolium. 

 Hollyhock. See Althaea rosea. 

 Homoeosoma electellum, similarity to Pecti- 

 nophora gossypiella 831-832 



Hordeum spp. — 



effect on water extract of soil 663-667 



susceptibility to formaldehyde injury. . . 240-241 

 "Humate, ferric," availability to rice plants 



in calcareous and noncalcareous soils 50-54 



Humidity — 

 effect on — 

 formaldehyde injury to seed wheat. . . . 223-231 



growth of Pseudomonas citri 447-506 



relation to — 



deterioration of sugars in storage 642-653 



freezing of fruit buds 655-662 



Hurd, Annie May (paper): Injury to Seed 

 Wheat Resulting from Drying after Disin- 

 fection with Formaldehyde 209-244 



Hydrate nitrogen, ammonium, in potato 



tubers, skins, and sprouts 628-634 



Hydrochloric acid. See Acid, hydrochloric. 

 Hydrogen-ion concentration — 



changes in tempering of wheat 272-275 



of sap of normal and mottled orange 



leaves 186-187 



Hydrolysis of — 



starch by Rhizopus triiici 765-783 



sugar in ripening of sweetcom 795-805 



Hydroxid, potassium, effect on yield of vol- 

 atile oil from Chinese colza seed 130-131 



Hypertrophied Lenticels on the Roots of 

 Conifers and Their Relation to Moisture 

 and Aeration (paper) 253-266 



